Vespa Polini 210, bgm PRO 60mm ,Dellorto SI26 – Tuning Test engine – part 2
Today we took a closer look at the Air intake filter / bellmouth from Polini as well as for the Dellorto SI 26 carb. And we will answer the question what the glory hole on top of the carb is good for? In the end it has a good effect on the working of the […]