70cc 2-STROKE SUPER BIG BORE KIT FOR CHINESE SCOOTERS
THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN
THIS KIT HAS A 47mm CYLINDER BORE AND 12mm WRIST PIN

this kit includes everything you need to increase overall speed, horsepower and torque
Wrist Pin Length: 36.8mm Wrist Pin Diameter: 10mm Piston Diameter: 47mm Displacement: 70cc
Hoca 47mm Big Bore Head Kit for 50cc 2-stroke 40QMB, E40QMB, 1E40QMB and 1PE40QMB Minarelli engines.
Converts 50cc to 70cc & Kit Includes High Performance:
- Nickel Finish Exhaust with Carbon Fiber Silencer
- 47mm Big Bore Kit - 12mm Piston Pin
- PWK 21mm HP Carburetor
- Performance Variator Set: Center hole 13mm, 17 spline
- Performance 107mm Clutch
- Drive Face: Center hole 13mm
- HP Intake with Carbon Fiber Reed Valves
- HP Torque Spring (2000 RPM)
- Made in Taiwan
FITS MOST CHINESE SCOOTERS WITH
JOG / MINARELLI / YAMAHA CLONE MOTORS
FITS JONWAY, JMSTAR, ROKETA, SUNL, YAMAHA
AND MANY OTHERS
SHIPS FROM DENVER, NC