Jasil Top Racing 15/50 Gear Set for 50cc 2-Stroke Minarelli Clone Engines. +20% Gear Ratio for increased top speed. It is recommended this gear set be used after installing a big bore cylinder kit. A stock engine will not have enough power to make use of a taller gear set.
Made in Portugal! No press required like common tall gear sets, drop in and go!
Please see our Warranty & Returns Policy.
- No press required! Complete Gear Set!
- 20% Taller Gearing
- Recommended For Use With A Big Bore Kit