Polini is one of the big names in 50cc scooter tuning, and is also one of the leading manufacturers of tuning parts for Vespa, modern and vintage. Cylinders, intake manifolds, exhausts, air filters, carburetors, crankshafts and more - everything you need to boost the performance of your Classic Vespa. This Polini Primary Transmission 24/72 Vespa 200cc PX / TS to change the gear ratio of your transmission. Higher or lower gear ratio might be the deciding factor in how your scooter will perform. A higher ratio (shorter transmission) will make the engine reach maximum horsepower more quickly, meaning acceleration will be improved, sacrificing a bit of top speed. A lower gear ratio (longer transmission) has the opposite effect - higher top speed and slower acceleration. This is a 24 / 72 transmission complete with gears, cog, springs, screws, plates etc. reinforced primary transmission gear ratio 24 / 72 straight teeth
Ingranaggio Primario Polini Z=24-72 Piaggio Vespa 50 PK / Special
Numero Articolo: P202.1216
Marca: Polini
Tipo: Primario