Cylinder - piston 50cc Ø40mm YAMAHA - MINARELLI ORIGIN vertical minarelli cast iron (booster rocket, bw's, ...)

Mounts with the original cylinder head.

Cylinder - piston assembly with segments, pin, clips, seals, genuine YAMAHA / MINARELLI / MBK original part, very good resistance over time.


As an option we offer a stage 1 preparation, this preparation is a modification of the channels and the exhaust port by increasing the diagrams and improving the duct, it increases the performance of the cylinder. An improvement to the piston and the bottom of the skirt is also included in this modification. Allow a little extra time for this preparation!

Installs on :

- Aprilia Amico 50 2T 94-94, Amico 50 2T 96-98, Amico GL / GLE50 2T 93-95, Amico LX / Sport / Cat 50 2T 92-93, SR (Verticale) 50 2T 93-93

- Mbk Booster 50 2T -00, Booster Euro 2 50 2T 04-04, BoosterNG 50 2T 03-00, Booster Rocket 50 2T 97-98, BoosterSpirit 50 2T 03-00, Booster Track 50 2T 96-98, Stunt 50 2T 00-02

- Yamaha BWS 50 2T -00, BWS Bump 50 2T 97-98, BWS Euro 250 2T 03-03, BWS NG 50 2T -00, BWS NG Euro 2 50 2T03-03, Slider 50 2T 00-02, Spy 50 2T 95-98, Zuma 50 2T 97-01