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Vespa P / PX specials Scooter Center - Vespa PX brochure 2018

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ALL YOU NEED  - everything for your Vespa!

For the Vespa of the 90s we have a wide range of items. In ours Scooter Center shop you can find any spare parts for your vespa P / PX, from the smallest screw to the frame, plug and play engines as well as a wide range of accessories.

Scooter Center Vespa PX specials

We have released a new brochure for the Vespa PX where you can find the best items with our bgm and MOTO NOSTRA brands. Get inspired!

The bgm catalog is available here. All parts for you Vespa PX are available in our online shop.

Browse or download our Vespa P / PX Specials brochure

Video Vespa PX Specials flyer


Pictures Vespa PX flyer

Scooter Center -Specials-Vespa_PX_2018-DE_Page_01-vespa-px-flyerScooter Center -Specials-Vespa_PX_2018-DE_Page_01-vespa-px-flyer
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bgm tuning catalog Vespa Lambretta automatic scooter

bgm catalog 2018

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Our new bgm catalog is now available online

Vespa, Lambretta and automatic scooter catalog 2018

"Bgm Tuning - High class scooter parts engineered in Germany - ridden worldwide"

With its 200 pages, the bgm catalog 2018 can be browsed online:

All items with our bgm trademark are

developed by Scooter Center in order to meet the real needs of the scooter riders:

  • thoroughly tested
  • improvement of the weak links on the genuine design
  • developed for highest reliability
  • either German or MRB engineered and
  • Produced by reputable manufacturers worldwide

Content of the catalog

  • CYLINDER KITS 004 - 015
  • TWO-STROKE OIL 016 - 017
  • EXHAUST 018-025
  • CRANKSHAFTS 026-033
  • BEARING SETS, GASKET SETS 034 - 037
  • CLUTCH, GEARBOX 038 - 065
  • IGNITION 066-085
  • CARBURETTORS 086 - 103
  • SHOCK ABSORBERS 104 - 127
  • ENGINE MOUNT 128-131
  • WHEEL RIMS, BRAKES 132-145
  • CABLES, LIGHTS, SEATS 146-169
  • TOOLS 170 - 185
  • AUTOMATIC SCOOTER 186 - 195

 

bgm items are available in our Scooter Center shop

bgm tuning logo

Scooter Center SC-25Y

(c) bgm is a trademark of SCOOTER CENTER the

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Vespa front shock absorber -BGM PRO SC COMPETITION- Vespa

Vespa front shock absorber BGM PRO SC COMPETITION

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BGM PRO SC COMPETITION – the new bgm PRO front shock absorber for Vespa

The BGM PRO SC Competition front shock absorber for Vespa is a further development of the successful BGM PRO F16 Sport series.

Optically, the Competition series differs from the previous one since it features an outer reservoir. the new Front shock absorber for Vespa is available in black and silver as well as in a convenient set.

Front shock absorber -BGM PRO SC COMPETITION- Vespa Largeframe
Part number BGM7761B (black) / BGM7761S (silver)

Fits the following vehicles

Vespa

  • 150 Super (VBC1T)
  • 150 sprint (VLB1T)
  • 150 Fast Sprint (VLB1T)
  • 125GTR (VLN2T)
  • 125 Super (VNC1T)
  • 125GT (VNL2T)
  • 125TS (VNL3T)
  • 180 Rally (VSD1T)
  • 200 Rally (VSE1T - Femsa)
  • 200 Rally (VSE1T - Ducati)
  • 150 (VBA1T)
  • 150 (VBB1T)
  • 150 (VBB2T)
  • 125 (VNA1T)
  • 125 (VNA2T)
  • 125 (VNB1T)
  • 125 (VNB3T)
  • 125 (VNB4T)
  • 125 (VNB5T)
  • 125 (VNB6T)
  • 125 (1949)
  • 125 (V15T)
  • 125 (V1T)
  • 125 (V30T)
  • 125 (V33T)
  • 98 1 (1946)
  • 98 2 (1946)
  • 98 3 (1947)
  • 98 4 (V98)
  • 150 (VB1T)
  • 150 (VL1T)
  • 150 (VL2T)
  • 150GL (VLA1T)
  • 125 (VM1T)
  • 125 (VM2T)
  • 125 (VN1T)
  • 125 (VN2T)
  • GS 150 (VS1T)
  • GS 150 (VS2T)
  • 150GS (VS3T) GS3
  • 150GS (VS4T) GS3
  • 150GS (VS51T) GS3
  • 125U (VU1T)

 

 

Shock absorber with outer reservoir

The outer reservoir of the shock absorber increases the compensation volume and therefore it offers a much better response. Also the damping adjusting range has been increased.
The bgm PRO SC Competition shock absorber has a modified basic set-up and therefore it can also be perfectly used in combination with rigid sport springs.

The compression and rebound adjustment prevents the diving effect or the rapid extension when wheels pass over bumps.

As a result, this shock absorber is also perfect for more powerful vehicles.
The wide range of damping adjustments allows you to use this shock absorber also in combination with a standard spring and with the right damping adjustment you can still have a comfortable ride.

 

Buy here the new Competition Vespa shock absorber

 

The new shock absorber also fits 8 and 10 inch wheels

Thanks to the optimized size, 165 mm, this shock absorber perfectly fits also all 8-inch wheel models with no need to preload the spring or change the inclination of the fork link.

When mounted, the outer reservoir is covered by the mudguard and the front side of the Vespa therefore keeps its genuine look.

Like for the F16 Sport series, also this shock absorber is made of aluminum material with hard-anodised finish, available in black and silver.

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Rear shock absorber -BGM PRO SC / R1 SPORT, 385mm- Vespa Wideframe VM1, VM2, VN1, VN2, VB1, VL1, VL2, VL3, GS150 - black Item no. BGM7755B

Vespa Wideframe bgm PRO rear shock absorber with TÜV certification

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Rear shock absorber for Vespa Wideframe

The tuning of Vespa Wideframe models (eg “Faro Basso” (rod models), Vespa GS3 or ACMA) is becoming increasingly popular. Also Italian tuning companies offer now tuning parts like Wideframe cylinder. For a safer drive we have developed a shock absorber with certification from TÜV-Rheinland.

BGM Pro SC SPORT shock absorber for Vespa Wideframe

The BGM Pro SC SPORT rear shock absorber for Vespa Wideframe fits the following models: Vespa 125 VN1T / VN2T / ACMA / VL / VB1 / VD / VGL1 / Vespa GS ...

 

Rear shock absorber -BGM PRO SC / R1 SPORT, 385mm- Vespa Wideframe VM1, VM2, VN1, VN2, VB1, VL1, VL2, VL3, GS150 - black Item no. BGM7755B

 

Sporty, comfortable, adjustable and with homologation

The bgm PRO shock absorbers have factory pre-configured damping and stepless adjustable spring preload. Individually adjustable: the pre-load of this rear shock absorber is stepless adjustable.

The bmg PRO SPORT perfectly replaces the genuine shock absorber of all Wideframe models from 1955 onwards. For models until year of construction 1954 the springs and the shock absorbers are separated. A remedy here is the upper mounting bracket of the later models. the Vespa Wideframe mounting is available separately and therefore the bgm PRO shock absorber can also be mounted on scooters before 1955. The item includes two adapters (M8 and M9) which can be used accordingly on the respective models. Furthermore, the shock absorber is height-adjustable for a length of 385 – 420mm.

Rear shock absorber -BGM PRO SC / R1 SPORT, 385mm- Vespa Wideframe VM1, VM2, VN1, VN2, VB1, VL1, VL2, VL3, GS150 - black Item no. BGM7755B

 

FEATURES:

  • With KBA / ABE homologation (TÜV / Dekra inspection required)
  • High strength aluminum, CNC machined
  • Hard-anodized surfaces for perfect protection
  • Damping technology for a sporty and comfortable ride
  • High quality and long lifetime components
  • Solid piston rod with 12,5mm diameter
  • Plug and play
  • Discrete design, perfectly suits Vespa's vintage style
  • incl. adapter for different upper mounting brackets
  • Height adjustment (385-420mm)
Buy here your new Vespa shock absorber with TÜV

HARMONIOUS

The BGM Pro SC SPORT Shock absorber for Vespa Wideframe has been developed for the sports ride on the road, the specific pre-configured damping and spring rate make this shock absorber ideal for a sporty ride as well as for a daily use.

DIRECT

The BGM Pro SC SPORT shock absorber reduces the typical diving effect when braking, as well as the swaying movement along the longitudinal axis when accelerating. The smoothness and sportive handling ensure a comfortable and safe ride.

APPROVED FOR USE ON PUBLIC ROADS

The BGM Pro SC SPORT shock absorbers have a KBA certification from the German federal office for motor vehicles and ABE homologation.

TECHNOLOGY

The SPORT series have inherited its technological features from the BGM Pro SC COMPETITION shock absorbers: the SPORT version has therefore the same solid piston rod with 12,5mm diameter as well as a corrosion resistant aluminum body with hard-anodised coating and in matt black.

CONCLUSION

Sporty and comfortable shock absorber with homologation for use on public roads and unrivaled cost-benefit ratio!

ACMA Vespa with bgm PRO Sport rear shock absorber

vespawideframe-bumpers-rear-4vespawideframe-bumpers-rear-4
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vespawideframe- rear shock absorbervespawideframe- rear shock absorber
  • Suspension
    • Shock absorb
  • Vespa
    • 125 (VN1T)
    • 125 (VN2T)
    • 150 (VB1T)
    • 150 (VL1T)
    • 150 (VL2T)
    • GS 150 (VS1T)
    • GS 150 (VS2T)
    • 150GS (VS3T) GS3
    • 150GS (VS4T) GS3
    • 150GS (VS51T) GS3

 

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Vespa crankshafts bgm PRO back in stock

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Crankshaft bgm PRO Vespa

The sought-after bgm PRO crankshafts Vespa  for Vespa PX, Vespa PK and Vespa V50 are now back in stock.

bgm PRO crankshaft Vespa at Scooter Center available!

Buy now Vespa sickly

Practical service kits for Vespa engines

In our online shop you will also find repair kits at a convenient price. The practical and useful sets include all the spare parts you need for the overhaul of your Vespa engine: Vesps repair kits

Vespa revision kit

Also recommended: bgm PRO Protection gloves

To protect your hands from injury or dirt we suggest you use our work gloves by bgm PRO.

bgm protection assembly gloves

 

Buy now Vespa sickly
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bgm PRO air intake hose for Lambretta- over 1HP more power for less than 20 euros

bgm PRO air intake hose for Lambretta: more power, increased start-up performance, faithful to the original design

In comparison with the standard intake hose, the bgm PRO air intake hose has a higher volume on the side of the carburettor. The air intake hose is available in two different connection sizes for the carburettor:

Buy here air intake hose for Lambretta

 

Air intake hose / intake hose bgm PRO Lambretta Keihin & DellOrto

 

Air filter box or foam air filter

The connection size on the side of the air filter is equal to 42 mm so that you can use the intake hose either with the genuine air filter box or with a foam air filter.

1,3 HP more power

 

The chart of our test shows the difference between the standard Lambretta dl / GP air intake hose and the bgm intake hose. The comparison was made using the following parts:

Buy here air intake hose for Lambretta

Increased start-up performance

Another significant advantage of the bgm PRO air intake hose is the drain system at the bottom of the intake hose: the fluid expelled from the carburettor does not accumulate in the hose and this prevents the idle speed system from clogging.

BGM2570D50 (3)BGM2570D50 (3)
BGM2570D50 (2)BGM2570D50 (2)
BGM2570D50 (1)BGM2570D50 (1)
BGM2570BGM2570

 

 

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BGM8011TL2 Clutch spring locating tool for BGM PRO Superstrong clutch - Lambretta

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Mounting tool for Lambretta Superstrong clutch

For our BGM Superstrong clutch for Lambretta now also the suitable clutch spring locating tool BGM8011TL2!

Thanks to this centering tool it will be very easy to hold the clutch springs in place during the mounting.

BGM clutch with integrated compression system

The BGM Superstrong clutch for Lambretta has an integrated compression system.

The clutch is provided with two screws and long nuts.
On the front side of the clutch spider there are two legs marked with a point which signals on their base a threaded hole for the screw.

Practical and easy to use:

The screws for the preload of the clutch base will be inserted into the two threaded holes.

The cutouts on the base of the locating tool are specially designed to guarantee more free surface for the high nuts used to preload the clutch for the mounting.

Quick and easy: as soon as the clutch has been preloaded, you can pull out the tool.

Buy here your clutch locating tool for Lambretta!

 

 

 

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Brake lever set -BGM PRO Sport, adjustable and foldable - Vespa GTS

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New brake levers for Vespa - Installation guide Vespa GT / GTS

New for Vespa GT / GTS: BGM brake levers for all Vespa GT, GTL, GTS models with a HengTong brake system. This CNC machined lever in high-strength aluminum is adjustable in 6 positions.

The lever is provided with a span adjuster on the lower side which enables you to tailor the lever length in order to achieve the most comfortable position and a perfect grip.

The lever is made up of two parts and it folds up in the event of a fall therefore reducing the risk of breaking.

The foldable design of this lever is ideal if, for example, you park your scooter in a small garage.

How to mount Vespa brake levers

Tools for mounting brake levers:

  • Allen key 2,5mm
  • Combination wrench or box spanner SW10
  • slot screw driver, size 2-3
  • Slot screw driver, size 5
  • Torx key TX25
  • two hands, right and left, ideally with only one thumb on each hand!
  • open-end wrench SW17 (may vary depending on the model of the mirror)

Preparation

In order to have easier access to the brake master cylinder, it's necessary to take off the front headset cover. If you also have a windscreen remove this first. Under the rubber grommet and the master cylinder cover you'll find the counternuts for the tightening of the mirrors.

The screw of the master cylinder cover can be removed with an Allen key 2,5 mm from the front side. After wiggling the cover loose forwards and upwards, the counternut of the mirror is easily accessible and can be taken off with an open-end wrench SW 17.

Then you can turn the mirror arm anticlockwise.

Both mirror arms have a right-hand thread. To tighten the mirror arm turn it clockwise, to loosen the arm turn it anticlockwise. In the lower part of the headset cover there are three screws: on the right and left side the screws are accessible from the rear side,

while the third screw is accessible from the front side, under the headlight.

First unscrew all the three screws with a cross slot screwdriver PH2 and then release the retaining clips. These plastic clips are not visible from outside, but accessible from the inspection ports one the left and on the right side. Remove carefully the clip with a slot screw driver.

Another plastic clip is placed under the headset cover, in the middle. You can loose it carefully with a thin slot screw driver.

The front headset cover can be removed easily if the front cover has already been taken off. The front cover is fixed with a torx screw (TX) hidden behind the Piaggio logo. On the right side of the logo there's a small gap, pull out the logo from that side by using a thin slot screw driver.

Under the logo you'll find the only screw of the front cover which can be loosed and removed with a TX25 torx key.

The front cover can be removed by wiggling it loose forwards and upwards. This way you can push the front headset cover upwards in order to loosen the retaining clips of the front cover. When the front cover has been removed, you can wiggle the front headset cover forwards and upwards and finally take it off.

Unplug the electrical connections and the cover can be removed completely

How to replace Vespa brake levers

In order to take off the genuine brake levers, remove the counternut under the brake lever support with a combination wrench or box spanner SW10.

Then loosen the guide bolt, to which the brake lever is fitted, with a wider slot screw driver (min. S5.5).

Pull out the bolt carefully and hold the brake lever.

For the mounting and positioning of the brake lever there are two washers. Please make sure you don't lose them when you disassemble the levers.

You'll need the two washers again when you fit the BGM PRO brake levers. For trouble-free mounting and for an easy movement of the lever we'll grease the two washers in order to enable the correct positioning of the lever.

For an easy mounting of the lever on the right side of the headset you can slightly spread apart the throttle below so that you can have access to the counternut.

After mounting the lever, screw the guide bolt again and tighten it with the counternut.

Finally, plug the headlight again and fasten the headset cover, first with the clips and then with the three screws, fit the mirror - done!

Buy your BGM brake lever here

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New: bgm inner tubes for Vespa and Lambretta

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Modern butyl inner tubes for Vespa and Lambretta

The new bgm inner tubes have been designed to meet the needs of classic scooters. In the last years there has been a great development in tuning measures and, as a result, an increased engine power. Modern disc brakes combined with bgm shock absorbers provide a high-performance scooter. As scooter riders we often gain from the developments of new motorcycle tires which are then applied to the smaller tires. Nevertheless for ages no innovations have been developed for tubes, but now we present you our new inner tubes:

Inner tube for Lambretta, part no. BGM8700L and inner tube for Vespa, part. no. BGM8700V

Different valve position for Vespa and Lambretta

Our inner tubes are specially manufactured for the specific features of Vespa and Lambretta:

bgm-valve-90-45-degrees

We have a tube with a 90° valve stem for Vespa and others scooters, while for the Lambretta we have a tube with a 45° valve stem. These valves are differently positioned and vulcanised. The butyl quantity is higher than 50% and this guarantees extremely high air tightness and reality. Because of the high butyl quantity the production costs are higher, but the result is, in our opinion, a high-quality tube.

Inner tube for Vespa

Tube-BGM PRO- 3.00-10, 3.50-10, 90 / 90-10, 100 / 80-10, 100 / 90-10 - Valve position Vespa, part no.BGM8700V, 90 ° valve stem, fits Vespa and many other models.

Inner tube for Lambretta

Tube-BGM PRO- 3.00-10, 3.50-10, 90 / 90-10, 100 / 80-10, 100 / 90-10 - Valve position Lambretta, part no.BGM8700L, 45 ° valve stem. For your safety. The position of the valve stem prevents the rubbing of the valve against the rear suspension linkage pin and that, sooner or later, it comes off.

Always faithful to the details and to the classic style

And for the detail lovers we have not only ensured the safety of the right angle of the valve stem, but we have also provided a metal valve cap and a valve extractor, just like the genuine tubes for Lambretta.

High quality and perfect positioning

Inner tubes with a small quantity of butyl have on the other hand, a higher quantity of rubber which makes them more flexible. As a result, they can be used for many more tires with different sizes (up to 130 / 90-10). However, tubes containing more rubber are less airtight. We want to offer a high-quality item, therefore, in order to guarantee a perfect air tightness, we have decided to produce tubes with a higher butyl quantity for tires up to 100 / 90-10. For your safety! Meanwhile there are many Vespa imitations but Vespa still represents an outstanding and unique icon in the world scooters. This has an advantage: bgm inner tubes also fit many others scooters with 10 inch tubed tires.

Buy your high-quality inner tube here

Useful information for trouble-free mounting

When mounting the tire, please apply the mounting paste on the tire bead and slather talc powder over the inside of the tire. Mounting paste provides the right position of the tire and talc reduces internal rubbing. This guarantees the safety and long life of your tires.

Tire mounting paste -ECON- 1 kg part no.3330132
Tire fitting paste -ECON- 1 kg article no. 3330132

Mounting paste provides not only an easy fitting of the tire on the wheel, but it also ensures the right positioning of the tire. If fitted without mounting paste, the tire may not be positioned properly on the wheel and, therefore, it loses its stability.

ECON mounting paste can be easily applied with a brush.

Resealable bucket, 1kg.

Buy your mounting paste here
Talc powder -ECON- 500 gr sprinkler, part no. 3330131
Talc -ECON- 500 g shaker 3330131

Talcum powder is essential for trouble-free mounting of tires with inner tubes. If fitted without talcum, inner tubes might stick to the tires. This may cause damage in the area of ​​the valve since, due to the movement of the inner side of the tire, the tube cannot move freely.

  • sprinkler can
  • size: 500 gr
Buy your talc powder here

The bgm inner tubes fit the following scooter models:

Vespa inner tube 10 '
Wasp:

  • 50 L (V5A1T)
  • 50 N (V5A1T)
  • 50 Special (V5A2T)
  • 50 Special Elestart (V5A3T)
  • 50 Special (V5B1T)
  • 50 Special Elestart (V5B2T)
  • 50 Special (V5B3T)
  • 50 Special Elestart (V5B4T)
  • 50PK XL2 (V5N1T)
  • 50 PK XL2 HP (V5N2T)
  • 50 PK XL2 automatic (V5P2T)
  • 50 PK SS (V5S1T)
  • 50PK XLS (V5S2T)
  • 50 Sprinter (V5SS2T - 1975)
  • 50 SR (V5SS2T - 1975-)
  • 50 PK (V5X1T)
  • 50 PK S (V5X2T)
  • 50 PK S EFL (V5X2T)
  • 50 PK XL (V5X3T)
  • 50 PK XL Rush (V5X4T)
  • 50 PK N (V5X5T)
  • 50PK XL2 (V5X3T)
  • 80 PX (V8X1T - 1983)
  • 80 PX E EFL (V8X1T - 1983-)
  • 80 PX E EFL Elestart (V8X1T - 1984-1990)
  • 80 PK S (V8X5T)
  • 90 (V9A1T)
  • 90 Super Sprint (V9SS1T)
  • 50 PK S Automatic (VA51T)
  • 80 PK S Automatic (VA81T)
  • 150 Super (VBC1T)
  • 150 (VL1T)
  • 150 (VL2T)
  • 150GL (VLA1T)
  • 150 sprint (VLB1T)
  • 150 Fast Sprint (VLB1T)
  • 125GTR (VLN2T)
  • 150 What CL (VLR1T)
  • What CLX 150 (VLR1T300)
  • 150 What FL (VLR2T)
  • 150 PX (VLX1T - 1980)
  • 150 PX E EFL (VLX1T - 1984-97)
  • 150 PX E (VLX1T - 1981-83)
  • 125 (VM1T)
  • 125 (VM2T)
  • 125 Nuova (VMA1T)
  • 125 Primavera (VMA2T)
  • 125 ET3 (VMB1T)
  • 125 PK ETS (VMS1T)
  • 125 PKs (VMX1T)
  • 125 PKS S (VMX5T)
  • 125 Super (VNC1T)
  • 125GT (VNL2T)
  • 125TS (VNL3T)
  • What CL 125 (VNR1T)
  • What CLX 125 (VNR1T300)
  • What CLX 125 (VNR1T301)
  • 125 PX (VNX1T - 1983)
  • 125 PX E EFL (VNX2T - 1984-97)
  • 125 T5 (VNX5T)
  • GS 150 (VS1T)
  • GS 150 (VS2T)
  • 150GS (VS3T) GS3
  • 150GS (VS4T) GS3
  • 150GS (VS51T) GS3
  • 160 GS (VSB1T - 1962) GS4
  • 160 GS (VSB1T - 1963) GS4
  • 180 Super Sport (VSC1T)
  • 180 Rally (VSD1T)
  • 200 Rally (VSE1T - Femsa)
  • 200 Rally (VSE1T - Ducati)
  • What CL 200 (VSR1T)
  • 200 What CLX (VSR1T300)
  • 200 What FL (VSR1T301)
  • 200 PE (VSX1T - 1980)
  • 200 PX E EFL (VSX1T - 1984-97)
  • 200 PX E (VSX1T - 1981-83)
  • 125 PX E EFL (ZAPM09300 - YOM '98 -'00)
  • 125 PX E EFL (ZAPM09302 - YOM '01 -'10)
  • 150 PX E EFL (ZAPM09400 - YOM '98 -'00)
  • 150 PX E EFL (ZAPM09401 - YOM '01 -'10)
  • 200 PX E EFL (ZAPM18 - 1998-)
  • Piaggio
    • Vespa ET2 (-1999)
    • Vespa ET2 (2000-)
    • Vespa ET4 125
    • Vespa ET4 125 (Leader engine)
    • Vespa ET4 150 (Leader engine)
    • Vespa ET4 50
    • Hexagon 125 (EXS1T)
    • Hexagon 150 (EXV1T)
    • Vespa LX 125
    • Vespa LX 150
    • Vespa LX 50 (2-stroke)
    • Vespa LX 50 (4-stroke)
    • Vespa S 50 (2-stroke)
    • Vespa S 50 (4-stroke2V)
    • Vespa LXV 125
    • Vespa LXV 50 (2-stroke)
    • Vespa LXV 50 (4-stroke)
    • NTT 50
    • Quartz 50
    • Sphere 125
    • Sfera 50 (NSL)
    • Sfera 50 (RST)
    • Sphere 80
    • SKR-125
    • SKR-150
    • Storm 50
    • TPH 125
    • TPH 125 X
    • TPH 50
    • TPH 50 (2006-2010) (2-stroke)
    • TPH 50 (2006-2010) (4-stroke)
    • TPH 50 X
    • TPH 50 XR
    • TPH 80
    • Zip 100
    • Zip 125
    • Zip 25 SSL (-1999)
    • Zip 25 SSL (2000-)
    • Zip 2 50
    • Zip 2 50 cat. (2000-)
    • Zip SP 2 50LC (2000-)
    • Zip 50 Base (-1998)
    • Zip 50 Base (1999-)
    • Zip 50 Fast Rider
    • Zip SP 1 50LC (-1999)
    • Zip 50 (1991-1994)
  • Adly (Her Chee)
    • AT 50 (City Bird)
    • BT 50
    • Jet 50
    • 50 track
  • Aprilia
    • Amico 50 (1991-1992)
    • Amico 50 (1993-)
    • Amico 50 GL
    • Amico 50 sports
    • Havana 50 (-1999)
    • Mojito 125
    • Mojito 50 (1999-2004)
    • Rally 50 AC
    • Rally 50 LC
    • Sonic 50 AC
    • Sonic 50 LC
  • Atala
    • Byte 50
  • ATU
    • Spin GE 50
  • Baotian
    • BT125T-17
    • BT49QT-10
    • BT49QT-11 retro
    • BT49QT-9 Eco bike
    • BT49QT-9M
    • BT49QT-9N
    • BT49QT-9R
    • BT49QT-9 R1
    • BT49QT-9 R3
    • BT49QT-9 S1
    • BT49QT-9 S3
    • BT49QT-9 Sprint
    • BT 50 QT-11
    • BT50QT-11 retro
    • BT 50 QT-3
    • BT 50 QT-7
    • BT 50 QT-8
    • BT 50 QT-9
  • Benzhou
    • City Star (YY50QT)
    • Retro star
  • Beta
    • Quadra 50
  • Buffalo
    • Fox 50
    • Rex 50
    • Wind 50
  • Cagiva
    • City 50
  • Daelim
    • Cordi 50
    • Message 50
    • Tappo 50 (-1999)
    • Tappo 50 (2000-)
  • Dafier
    • DFE50QT-2
    • DFE50QT-6
  • Derbi
    • Hunter 50
  • Epella
    • GMX 50 (4 stroke)
  • Suspension
    • Hoses
  • Flex Tech
    • Sprint 10 (SK50QT-A)
    • Sprint 12 (SK50QT-B)
    • Venus 50
  • FYM (HN Moto)
    • FY50QT-10
    • FY50QT-20 Cross
    • FY50QT-8
  • Gilera
    • Easy Moving 50
    • ICE 50
    • Stalkers (-1998)
    • Stalkers (1999-)
  • Honda
    • Bali 100
    • Bali 50
    • Dio 50 Clean 4 You
    • Dio 50 G
    • Dio 50 VP
    • Dio 50 SR
    • Dio 50 ZX (-1995)
    • Dio 50 ZX (1996-)
    • Helix 250CN
    • lead 50
    • metropolitan 50
    • ruckus 50
    • SFX50
    • Shadow 50
    • SXR 50
    • Vision 50
    • Vision 50 Met In
    • zoomer 50
  • Huatian
    • HT50QT-16
    • HT50QT-22 retro
  • Hyosung
    • Avanti 50
    • Avanti 50 catalyst
    • SB 50
    • SB 50 cat.
    • SB 50 gamma
    • SB 50 gamma cat.
    • Super Cab 50
    • super fast 50
  • Jinlun
    • Fighter 50 (JL50-QT-5)
  • Jmstar
    • Sunny 50 (JSD50-QT-27) (4-stroke)
  • Karcher
    • KM 50 (4-stroke)
  • Keeway
    • arn 125
    • Hurricane 50
  • Kreidler
    • flory 50
    • flory 50
  • KTM
    • Quadra 50
  • Kymco
    • Agility 50 euros 2
    • CX 50
    • DJ 50X
    • DJ 50 Y
    • Filly 50
    • Heroism 50
    • KB 50
    • Movie 125 euros 3
    • Movie 50
    • Sniper 50
    • Top Boy 50
    • Vivius 125
    • Vivius 150
    • ZX Fever I 50
    • ZX Fever II 50
  • Leike
    • LK125T-14
    • LK125T-20
    • LK125T-23
    • LK50QT-7A
    • LK50QT-7B
  • Malaguti
    • Ciak 100
    • Crosser CR1 50
    • F10 50 Jet Line (-1999)
    • F10 50 Jetline Cat. (2000-)
    • F10 50 Wap (2004-)
    • Yesterday 50
  • MBK
    • Booster 100
    • Booster 50 (-2003)
    • Booster 50 (2004-) Euro 2
    • Booster 50 Naked (2004-) Euro 2
    • Booster 50NG (-2003)
    • Booster 50 NG (2004-) Euro 2
    • Booster 50 Spirit
    • Booster 50X
    • Evolis 50
    • Fizz 50
    • Forte 50
    • Stunt 50 Naked
  • Meiduo
    • MD125T-22A
    • MD125T-22C
    • MD125T-22D
    • MD50QT-3
  • MKS
    • Ecobike 50
  • motorcycle
    • Hawk 50
  • Peugeot
    • Buxy 50
    • Buxy 50 M.
    • Buxy 50 RS
    • Ludix 50 Blaster
    • Ludix 50 Blaster Radical
    • Ludix 50 One
    • Ludix 50 Snake
    • Metal X 50
    • Metal X 50 Furious
    • SC50 Metropolis
    • Squab 50
    • SV 125
    • SV 50 Geo
    • TKR 50
    • TKR 50 Furious
    • TKR 50 WRC 307
    • Trekker 50
    • V-Click 50
    • Zenith 50
  • PGO
    • Big Max 50
    • galaxy 50
    • rodo show 50
  • Rex
    • Roe deer 50
    • Rex 50
    • Rexy 50
    • RS 400 (Jinan Qingqi - QM50QT)
    • RS450 50
    • Silver Street 50
  • Sachs
    • 49er 50 (10 ")
    • bee 125
  • Sampo
    • Athena 50 (SHB50QT-20)
  • Sukida
    • Roma 50 (SK50QT-9)
    • Sprint 10 (SK50QT-A)
    • Sprint 12 (SK50QT-B)
    • Venus 50
  • Suzuki
    • Address 50
    • AP 50
  • SYM
    • MG 125
    • Mio 100
    • Mio 50
    • Red Devil 50 (-1999)
    • Red Devil 50 (2000-)
    • Super duke 150
    • Super fancy 50
  • Xin Tian
    • Kinroad (XT50QT)
  • Xinling
    • XL50QT-B
  • Yamaha
    • BW's 100
    • BW's 50 (-2003)
    • BW's 50 (2004-) Euro 2
    • BW's 50 Naked (2004-) Euro 2
    • BW's 50 NG (-2003)
    • BW's 50 NG (2004-) Euro 2
    • C3 50
    • CRZ 50
    • Cygnus 125
    • jog 50
    • Jog R 50 AC (-2003)
    • Jog R 50 AC (2004-)
    • Jog RR 50 LC (-2003)
    • Jog RR 50 LC (2004-)
    • Slider 50 (-2003)
    • Slider 50 (2004-)
    • Slider 50 Naked
    • Wine 125
    • Wine 50
    • Wine 50 Classic
    • Zest 50
    • Zuma 50
    • Zuma 50II
  • ZhongYu
    • QT-5 50
    • QT-7 50
    • ZY50QT-7
  • ZongShen
    • Cab 50 (ZS50QT-4)
Lambretta inner tube 10 '
Lambretta

  • LI 125 (series 1)
  • LI 150 (series 1)
  • TV 175 (Series 1)
  • LI 125 (series 2)
  • LI 150 (series 2)
  • TV 175 (Series 2)
  • DL / GP 125
  • DL / GP 150
  • DL / GP 200
  • LI 125 (series 3)
  • LI 150 (series 3)
  • LI 125 Special
  • LI 150 Special
  • X 150 special
  • X 200 special
  • TV 175 (Series 3)
  • TV 200
  • GP 125 (SIL)
  • GP 150 (SIL)
  • GP 200 (SIL)
  • J 100 (cento)
  • J 125
  • J 50
  • He 50
  • He 75
  • Eibar LI 125 (Series 2)
  • Eibar LI 150 (Series 2)
  • Eibar TV 175 (Series 2)
  • Serveta 200 Jet
  • Serveta 125 Lince
  • Serveta 150 Lince
  • Serveta 200 Lince
  • Serveta 125 Special
  • Serveta 150 Special
  • Serveta 125 scooter line
  • Serveta 150 scooter line
  • Serveta 175 scooter line
  • Serveta 200 scooter line
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bgm 177 / 187cc cylinder kit for Vespa back in stock

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bgm PRO 177/187 cc cylinder kit - buy now!

The cylinder kit is now back in stock!

Buy here bgm PRO 177 cylinder kit for your Vespa
BGM1770

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Clutch extractor and clutch compressor BGM PRO Vespa Largeframe, Smallframe

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Clutch tool for Vespa

Our new clutch tool is a clutch extractor for Vespa Largeframe and a clutch compressor for large and Smallframe at the same time. This super small and handy tool in workshop quality should be part of every on board tool set and of every garage!

Quick, safe and gentle loosening of tight clutches!

bgm clutch puller clutch puller (15)

A securing nut tightens the so-called 6 and 7 spring clutches of Vespa Largeframe-models.

This screw connection is often not strong enough for power transmission.
Causing the woodruff key to shear off and the clutch hub to distort on the crankshaft. "Screwed" on the taper in this manner, you won't be able to loosen the entire clutch easily after loosening the securing nut of the crankshaft as you usually would. You should rather expect fierce resistance.

Hint: Do you want to continue to drive with a 6 or 7 coil spring clutch? Use our special nut with hex head to tighten the clutch. Using this is a lot easier and safer than an ordinary securing nut.

Clutch extractor for Vespa Largeframe

Our BGM PRO extractor also loosens very resistant clutches and makes dismantling easy. bgm clutch puller clutch puller (2)

You will no longer need heavy tools, large levers, which damage the sealing surface of the clutch cover. The same is true for working on or even destroying the entire clutch.

Buy clutch tool for Vespa
The extractor is made of high strength steel. It engages with the clutch spider, grips tightly and pulls the clutch hub off the crankshaft.

bgm clutch puller clutch puller (17)

Clutch compressor for Vespa Smallframe and Largeframe

The small tool may also be used as clutch compressor to exchange discs and springs of Largeframe- and Smallframe- clutches. bgm clutch puller clutch puller 002

This handy tool is small and fit in any tool box. We're no longer leaving without ...

Buy clutch tool for Vespa
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Casa Lambretta Racing Team successful with BGM PRO parts

Casa Lambretta Racing Team uses BGM PRO Tuning parts

Lambretta Racing animation

Lambretta Racing

Casa Lambretta Racing Team

We supply a selection of our high quality BGM PRO Lambretta products to the Casa Lambretta Racing Team of Vittorio Tessera.

The racing team is very successful and currently scores wins all across Europe. We are glad to be allowed to contribute with our BGM parts. The following parts are fitted in the racing Lambretta:

BGM PRO products

  • Rear shock absorber -BGM PRO R12 V2 Black Edition, 300-310mm- Lambretta LI, LIS, SX, TV (series 2-3), DL, GP - black, item number BGM7772
    Most current version of the Lambretta BGM shock absorber. In comparison to earlier versions, this has been further optimized.
    The greatest novelty being the height adjustment of the shock absorber of up to 10 mm. Thus making it possible to generate more space between frame and intake.
    new features:
    - Bushes supported with silent rubbers
    - Progressively wound spring
    - Rebound and compression damping with marks hard -> soft
    - Length adjustment of up to 10 mm
    Proven features remained the same:
    - Solid 14 mm piston rod
    - Spring preload adjustment
    - Massive CNC body, anodized
  • Cable set -BGM PRO- Lambretta DL, GP, item number BGM6401N
    Revised version of the proven Lambretta BGM PRO cable set. Well-known features, like correct length of inner and outer shells, outer cable with PFTE sleeve for easy use and detailed plan to lay cables obviously haven't changed. Improved details are new. Like double pressed cable end sleeves or inner cables, which last longer. Cables for clutch and front brake now come with inner cables with cable barrel. This takes quite a bit of strain off the cables at the lever, making torn clutch cables a thing of the past. The set contains the following cables: Gears (2x), clutch, front brake, rear brake, throttle cable, additional long inner Gas cable to use with larger carburetors, choke cable and solder fitting to adjust length to non-original carburetors.
  • Clutch bush -BGM PRO- Lambretta LI, LI S, SX, TV (series 2-3), DL, GP, item number BGM8010B
    The BGM PRO clutch bush is another innovation in clutch technology for Lambretta. High-quality, special material always stands for perfect gliding behavior. The bush allows smooth disengagement behavior of the clutch, perfecting your start and resulting in a clean engagement without jolts even for high performance engines. The BGM bush is made of special material (use with a bit lubricant only) and precisely made of one block.
    - Special material for high loads
    - Made in Germany
    - Smooth disengagement behavior of the clutch
    - Start without jolting
    - Circumferential lubrication groove
    - Fits Lambretta LI, LI S, SX, TV (series 2-3), DL, GP

Video Lambretta Racing

Photos Lambretta Racing

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BGM news and BGM catalog 2016

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New BGM Vespa Lambretta catalog 2016

You will have to be a little patient until the new BGM catalog 2016 will be available in its final print version.

Lambretta Vespa catalog bgm 2016

BGM Vespa Lambretta catalog 2016

The really big highlights like cylinders, exhausts and suspension parts are accompanied by many small big highlights, which might not be seen at first glance.

We have compiled a selection of new “small” BGM products for you:

Light switch -BGM PRO- Vespa PK S EFL, PK XL, Vespa PX (1984-1998) - 9 cables (DC, models without battery, with horn rectifier, NOC)

Item number 1231852

Prices for “real vintage vehicles” like Rally, Sprint, GS and Co. are rising. But so are prices for Vespa PX and PK. It's been a while that PX and PK models have been intensively restored. We are working on making long vanished parts to be made available again, like this light switch for Vespa PX and PK. It hasn't been available for years, but now in stock again by BGM:

Light switch -BGM PRO- Vespa PK S Lusso, PK XL, Vespa PX (1984-1998) - 9 cables (DC, models without battery, with horn rectifier, closer) Item no. 1231852

Light switch -BGM PRO- Vespa PK S EFL, PK XL, Vespa PX (1984-1998) - 9 cables (DC, without battery, with horn rectifier, NOC)
Item number 1231852

Vespa wiring loom

This often is the botched job of restoration. New and fast engine, body and paint nice and shiny - but stuck to the old cables, this will lead to trouble. But this can be prevented!

We offer complete and fitting wiring looms for your scooter! Making an exchange easy as!

wiring looms big

Lambretta wiring loom so available!

Speedo cable Vespa & Lambretta

Speedo cables are new to the BGM product range. We have produced them according to Vespa / Piaggio or Lambretta / Innocenti models.

Available speedo cables:

speedo cables

Wiring loom -BGM PRO- wire for fuel gauge Vespa PX (1984-) - for fuel gauge with plastic cover

Item number SC5008

This unspectacular cable hasn't been available for ages, even though it often breaks. This cable reconnects your fuel gauge with the display in the speedo!

Cable branch -BGM PRO- tank sender cable Vespa PX (1984-) - for tank sender with plastic lock item no. SC5008

Wiring loom -BGM PRO- wire for fuel gauge Vespa PX (1984-) - for fuel gauge with plastic cover
Item number SC5008

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BGM Lambretta cutaway engine

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BGM cutaway display engine for Lambretta

We asked our friends of the Rimini Lambretta Center to build a BGM cutaway engine as a demonstrator for our high quality BGM Lambretta parts.

We supplied all the necessary parts and first of all the team Dean Orton dismounted all of them and put them in acid for cleaning. 40 hours of work later this masterpiece was accomplished. We would like to share pics and a video with you.

Video of Lambretta engine

Photos of BGM Lambretta cutaway engine

lake live

We presented the engine on ours Scooter Custom Show in Cologne for the first time. You have missed the show? Your next opportunity will be ours Scooter Center Classic Day on 11th July in Bergheim Glessen.

Scooter Center Classic Day 2016

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Bearing dummies crankshaft -BGM PRO- for Vespa and Lambretta

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Our recommendation for works on Vespa and Lambretta engines

Working precisely is essential for a good result when building up a new engine.
Inlet timing of rotary valve or piston ported engines as well as transfer and outlet timing of a cylinder are crucial factors in building an engine.

It all depends on the choice of components, but usually cylinders and / or engine casings have to be fine tuned in order to achieve the desired trigger delay angle in inlet and cylinder. Sometimes measuring with a calliper is not enough. Therefore we recommend to once assembling the engine without fitting it in the scooter. Because this will allow you to get the dimensions you need. And if you found out then, that the engine casing needs fine tuning, you would have to remove the ball bearing again. Which usually shortens the life span of the sensitive bearing immensely.

NEW: Bearing dummies

Bearing dummies help you in this cause.

Storage dummy (2)

Advantages of bearing dummies

The dummy will fit without the common need of heating the engine casing.
The dummies have just like ball bearings, visible chamfers for easy assembly.

Storage dummy_2 (4)

Once the dummies are fitted, you can still turn the crankshaft and you can even measure the gap dimension.

A useful tool to gain this important data is for instance the BGM timing disc in combination with the whale. This set will help you to easily and precisely measure the trigger delay angle.

the-whale-tool-adjust-ignition

Once you collected all the data by using bearing dummies, you can easily remove the substitute ball bearings from the engine casing.

Storage dummy (3)

The right size matters!

We have now developed bearing dummies by BGM PRO. MADE IN GERMANY

The bearings are available in all important sizes. The description of the dummies includes the dimensions of the corresponding ball bearing and the name of the bearing. Guide to read information on size (the bearing dummy for the ignition bearing of a Vespa PX and PK ETS will serve as example):

Bearing dummy crankshaft -BGM PRO- NBI 253815 (25x38x15mm)

  • NBI 253815 = name of the bearing given by the producer (Nadella, SKF, ...)
  • 25 = inner diameter of the bearing in millimeters
  • 38 = external diameter of the bearing in millimeters
  • 15 = width of the bearing in millimeters

Storage dummy_2 (2)

Available in all sizes:

 

Various combinations sorted by type of scooter:

You see, you will need different dummies for various combinations of engine and crankshaft.

Vespa Sprint 2 port

  • Flywheel side BGM1200TL; Bearing dummy crankshaft -BGM PRO- 613912 (25x62x12mm)
  • Ignition side BGM1200TL; Bearing dummy crankshaft -BGM PRO- 613912 (25x62x12mm)

Vespa T5

  • Flywheel side BGM1200TL; Bearing dummy crankshaft -BGM PRO- 613912 (25x62x12mm)
  • Ignition side BGM1205TL; Bearing dummy crankshaft -BGM PRO- N205, NU205, 6205 (25x52x15mm)

Vespa PK 50 with conversion to ETS crankshaft

  • Flywheel side BGM1203TL; Bearing dummy crankshaft -BGM PRO- 6303 (17x47x14mm)
  • Ignition side BGM1207TL; Bearing dummy crankshaft -BGM PRO- conversion to PK ETS bearing (25x47x12mm)

Lambretta GP

  • Flywheel side BGM1204TL; Bearing dummy crankshaft -BGM PRO- 6305 (62x25x17mm)
  • Ignition side BGM1206TL; Bearing dummy crankshaft -BGM PRO- NU2205 (25x52x18mm)

 

Synthetic bearing dummy

This allows you to try the fit of the crankshaft in the engine casing without the need of force and the crankshaft can still be moved. You can therefore measure without wearing crankshaft or the new bearing out. Perfect, to check the trigger delay angle of the crankshaft (rotary valve inlet) or of the cylinder (outlet timing, transfer timing). Made in Germany

Bearing dummies by BGM PRO are available in the Scooter Center Scooterswhoops:

Bearing dummies
bearing dummies

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Silent block set engine -BGM PRO- Vespa Small- and Largeframe

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Vespa silent block

Be honest - have you ever replaced the silent blocks of your Vespa? Even during a total make over this is the part which is often neglected.

It might happen, that after many kilometers on the road, the sight of the most beautiful backside on earth is a little strange.

Take a look at the rear wheel from behind. If it is at a slight angle, the silent blocks in the engine casing will be past their best days.

Why silent rubbers?

Silent rubbers fulfill a difficult task: They are meant to eliminate unpleasant vibes of the drive unit swing arm and, simultaneously, give a reliable and safeguide of the rear wheel. The silent rubber on the right additionally needs to bear the major part of the engine's weight. Therefore, the right silent rubber bears more load and wears off quicker.

A new set of silent rubbers should deal with this issue. At least that's what you might think ...

Be careful with "OEM quality"

It seems that, let's call them, “other” suppliers have now found their way into the Piaggio bag.
Original silent rubbers are sometimes very soft, causing the engine to be at an angle to the frame, just by the means of it's own weight. Loaded, which means with driver, it won't get any better. Quicker Vespas with worn or too soft silent blocks sometimes tend to swing to and fro the longitudinal axis at higher speed.

Solution: load oriented silent blocks

We have therefore chosen a slightly harder rubber for the BGM PRO silent blocks and decided for an even harder rubber for the strained side, which needs to bear the engine.

The harder, right side therefore counter acts the engine's weight and is a safe guide for the drive unit swing arm.

The BGM PRO silent blocks for Vespa engines are marked with colors:

BGM7952 (1)

  • GREEN marks the harder silent rubber for the right hand side (seen in direction of travel)
  • NET marks the silent block for the left hand side.

Vespa silent block

Easy assembly of silent blocks

When determining the shape of the silent blocks, we decided for a version with two parts.

This makes fitting the silent rubbers a lot easier.
Tire mounting paste helps to fit the rubbers.
You should not use any grease.

We currently offer silent blocks for the following Vespa models:

BGM7955

Silent block set engine -BGM PRO- Vespa V50, V90, SS50, SS90, PV125, ET3, PK S, PK XL

BGM7955

BGM7951

Silent block set engine -BGM PRO- Vespa PX80, PX125, PX150, Sprint150 (VLB1T), TS125 (VNL3T), GT125 (VNL2T), GTR125 (VNL2T), Super, GL150 (VLA1T), VNA, VNB, VBA, VBB

BGM7951

BGM7952

Silent block set engine -BGM PRO- Vespa PX200

BGM7952

Silent rubber shock mount Vespa

Hint: We also offer the silent rubber for the lower rear shock mount. This is the ideal add on to the silent rubbers of the engine bolt. 1157103 (2)

The wide rubber perfectly supports the shock absorbers and, compared to other narrow-chested alternatives, it resists wear a lot better.
The rubber and popular silentblock bushings are available in these sets:

Lambretta silent blocks

Lovers of chain driven Lambrettas can already turn to silent block sets for a while.
During the development of silent block sets for Vespa we have profited from the positive experiences of development Silent rubbers for Lambretta with varying degrees of hardness.

BGM7950G

Silentblock set engine -BGM PRO- Lambretta LIS, SX, TV (series 2-3), DL, GP - 29cm engine bolt

ImageDocument BGM7950G

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Clutch cable, gear change cable, brake cable for Vespa and Lambretta

Vespa clutch cable or gear change cable broken?

Once a brake cable, gear change cable or clutch cable is broken, you should also check all the other bowden cables and cable housings.

When restoring a scooter you usually need an entire cable set. It's just, that one broken bowden cable is a hint that the other cables might also be worn.

We recommend: BGM bowden cables for Vespa and Lambretta

The BGM sets are perfectly adjusted to the vehicle and include all the cables and cable housings you will need in the right length. Gear change cable, clutch cable, brake cable etc. are part of the kit.

BGM PRO Bowden cables are in line with factory specifications and impress with high quality at low prices. The length of the individual cables is adjusted to the vehicle, so that they can be fitted without further ado. Pull set BGM 017 Pull set BGM 012

Best quality

BGM cable with high quality details such as

  • double crimped cable end sleeves
  • burr-free nipples
  • tinned end sleeves (laid cable).

Easy and quick assembly.

A layers of low-friction PTFE at the inside of the housings of the front brake, gears, acceleration and clutch stands for easy and precise use.
you maybe oil or grease the inner cables and these will then operate extremely smoothly.

BGM PRO bowden cables - ORDER HERE
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Short fourth gear for Vespa PX and PX EFL

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Better gear ratio with a short 4th gear

Short fourth gear Vespa PX

Why should your Vespa have a short 4th gear installed?

You install a short fourth gear to improve the gear ratio from third to fourth, which works perfectly fine with a short fourth gear with 36 teeth.
A short fourth gear makes sense for all Vespa PX engines, no matter if you are a daily, tour or race driver.
This drive wheel has 36 teeth, which is one more than the original fourth gear cog of a Vespa PX200.

BGM PRO - Premium tuning parts

The material used for BGM PRO gear boxes are extremely solid. The gear cogs are made from high alloyed Ni-Cr-Mo case hardened steel (20NiCrMo2-2 / AISI8620) to suit highest load levels.
The base material is of very high quality and suitable for the highest levels of engine performance. Surface hardening is precisely defined to HRC 58-60 making the sprockets extremely wear resistant. Always high quality. No compromises.

BGM PRO short fourth gear
Advantages of a short fourth gear:

  • more relaxed driving
  • closer gear step
  • higher gear ratio and optimization of the gear box
Now you can finally have the perfect gear ratio from 3rd to 4th gear!

Gear wheel 4 -BGM PRO- Vespa PX EFL T5 125cc, PX200 EFL (short) - 36 teeth

Short fourth gear Vespa PX EFL Suitable for all gearboxes with flat cruciform. How to recognize these gearboxes? The driveshaft has a locking ring fitted in the front of the gear cogs.

Gear wheel 4 -BGM PRO- Vespa PX (-1984), PX200 (short) - 36 teeth

Short fourth gear Vespa PX (-1984) Suitable for all gear boxes with bended cruciform. How to recognize these gearboxes? The driveshaft has a locking ring fitted in the front of and behind the gear cogs.

The middle part lies on the cruciform. Measurements:

  • PX old type (until 1984, bent cruciform): 5mm
  • EFL (since 1984, flat cruciform): 6,5mm

Middle parts of BGM gear cogs are larger (approx. 1 / 10mm) and therefore the contact surface for the cruciform is larger.

Scooter Center technology TIP:

A short fourth gear can be perfectly combined with the 64 teeth primary drive wheel by BGM Pro, which has a longer reduction. Using a 24 teeth clutch sprocket significantly the total gear ratio, but decreases the gear step from third to fourth, turning the entire engine performance into speed.

BGM PRO short fourth gear
Advantages of a short fourth gear:

  • more relaxed driving
  • closer gear step
  • higher gear ratio and optimization of the gear box
Now you can finally have the perfect gear ratio from 3rd to 4th gear!

When working on a gearbox, don't forget:

Particularly interesting

So far, Malossi sports and Polini 221 engines, which are high in torque, have proven their quality in combination with a 24/64 gear ratio and to short fourth gear. BGM6536L

A short fourth gear reduces the gear step between third and fourth, in order to grant a sufficient torque and smooth gear ratio and nice acceleration when changing to fourth.

The table and graphs below show the difference. Higher reduction leads to nice cruising speed in towns and on large roads at lower gears with very low revs. This combinations offers rather quick driving and a higher top speed with lower revs when driving in fourth. 24_64 graph

24_64 tab

** (We would like to take this opportunity to thank GSF member Motorhead for the Gear Calc!)

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bgm PRO FASTER FLOW Vespa Dellorto / Spaco SI 24-26 carburettors

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bgm PRO FASTER FLOW SI carburettor for the fast Vespa

The SI carburetor series is a million proven design with great potential.

Especially in the last few years, the carburetors are due to their compact design and short suction paths has also become more popular again on performance-enhanced engines.

Buy Vespa Faster Flow carburetors here

With an increase in engine performance the nozzles in the carburetor must also be adjusted. With the current engine concepts, main jets larger than 140 are not uncommon. To a uninterrupted fuel supply with larger main jets To ensure that the carburettor has to be processed quite laboriously or our finished carburettors have to be used:

PRO FASTER FLOW SI carburetor

SI FASTER FLOW tuning carburetor for Vespa

We can offer you the optimally finished carburettor for your engine project. So you keep the original SI carburetor as a backup and get a professionally tuned carburetor. You can find ours here PRO FASTER FLOW SI carburetor

Safe and fast on the go without losing weight

With the optimized bgm PRO Faster Flow carburetor you can also Achievements well over 20 hp with continuous full throttle drive without losing weight or other problems.

Carburettor already finished
In order to ensure an uninterrupted fuel supply with larger main nozzles, the carburetor must be processed in a very complex way or our ready-made carburetors must be used straight away:
Buy Vespa Faster Flow carburetors here

Details on the optimized 26 SI carburetors

With our carburetor tuning Float chamber cover, nozzle holder and holes professionally edited.

In detail, the hole for the float needle is enlarged to 2,8mm and the guide for the float needle is provided with two additional holes for faster fuel supply.

 

Faster Flow float hole

 

Important: The sealing surface of the float needle seat is restored with a tool made after drilling.

 

SI Faster Flow float valve

 

Fine tuning: The float level is checked and set to 32mm.

 

SI Faster Flow 029

 

The 5,2mm float needle is spring-loaded and helps the float needle to have a longer service life - it has to interrupt the flow of fuel several thousand times an hour and then release it again.

 

SI Faster Flow 042

Fast and constant spray supply up to 180 main nozzle

The enlarged valve bore In the float needle seat and through the additional holes in the guide for the float needle, the fuel flows in unhindered. This means that the fuel level in the float chamber remains constant.

So that the fuel can flow sufficiently quickly to the nozzle assembly, the bore from the float chamber to the nozzle assembly is enlarged from 1,2mm to 1,8mm. This diameter is with a 180 Dellorto main jet equate - this nozzle size can also be used if required.

We are currently not aware of any engines that require a main jet in the region around 180. The Fasterflow therefore still offers reserves in this area.

Touring setup with 25HP with main jet up to 160

In current touring engines with approx. 20-25PS, main jets in the range of 135-160 are often used.

SI Faster Flow 040

Leaning during the acceleration phase or swallowing due to lack of fuel during load changes are a thing of the past with the right nozzle equipment.

25s are the better 26s SI carburettors

On closer inspection you will find that the carburetor marked as 26/26 has an effective bore of 25mm.

SI Faster Flow 041

 

Vespa SI carburettor with a bore of real 26mm are prone to premature, high wear in the area of ​​the slide guide. Once this sensitive area is worn out, the carburetor is unusable.

Due to the small overlap of slide and guide with a 26mm bore, additional air can cheat past the slide in the worn areas of the guide and strongly influence the running smoothness of the engine.

This goes up to the involuntary revving up while idling and noticeable emaciation or lean jerking when accelerating.

Therefore the bgm PRO 26er SI - carburettors are provided with an optimal effective bore of 25mm.

Tip: bgm PRO Faster Flow fuel tap

Together with our bgm PRO Faster Flow fuel tap the revised carburettors are a perfect system for a reliable fuel supply.

Vespa fuel tap - the original! Vespa tuning fuel tap bgm Faster Flow

faster flow petrol tap vespa

Si tuning carburetor Vespa
The current version of the Fasterflow carburetor with 25mm is an inconspicuous and permanent companion for many kilometers. The wear of the slide guide is reduced to the possible minimum by a larger overlap.
Buy Vespa Faster Flow carburetors here

 

 

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