Name Polini Primary Transmission 24/61 helical Vespa 125 PK / Primavera Item No. P202.1220 Brand Polini Type Primary
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 24/61 helical Vespa 125cc PK / Primavera 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 complete transmission with 24 / 61 gear ratio.
- reinforced primary transmission
- gear ratio 24 / 61
- helical (angled teeth)
- Suitable for (14)
Your product goes with the following manufacturers and their models:
VESPA ETS 125, VESPA PK 125, VESPA PK 125 XL
125cc Primavera 1967 - 1983 (VMA2T), 125cc Primavera ET3 1976 - 1983 (VMB1T), 125cc Primavera Nouva 1965 - 1967 (VMA1T), PK 125cc 1982 - 1984 (VMX1T), PK 125cc S 1982 - 1984 (VMX5T), PK 125cc S Automatic 1984 (VAM1T), PK 125cc S Elestart 1982 - 1984 (VMX5T), PK 125cc S Elestart Automatic 1983 - 1984 (VAM1T), PK 125cc XL 1986 (VMX6T), PK 125cc XL Elestart 1986 (VMX6T), PK PKS PKXL 125cc ETS (VMS1T)