Product Description
100cc (50mm BORE) UPGRADE KIT (#2) FOR QMB139 MOTORS
TRUE DISPLACEMENT *81.3cc WITH STOCK CRANK*
PEOPLE REFER TO THIS KIT AS 100cc
THIS KIT IS TO UPGRADE YOUR STOCK 50cc QMB139
MOTOR AND TURN IT INTO A 81.3 / 100cc MOTOR
ADDING MORE POWER FOR BETTER PERFORMANCE
KIT INCLUDES:
- CYLINDER BODY : 50mm
- CYLINDER HEAD (VALVES INSTALLED): EGR *64mm VALVES*
- TOP AND BOTTOM GASKETS
- PISTON AND PISTON RINGS SET
- WRIST PIN
- CIR CLIPS
- 50mm INSIDE DIAMETER
- CYLINDER GASKET GY6 50cc
- CYLINDER BORE: 50mm
- CYLINDER HEAD:
- EGR STYLE CYLINDER HEAD
- 50MM BORE
- VALVE LENGTH: 64mm
- OVERALL HEIGHT: 59.5mm
- INTAKE PORT DIAMETER: 17mm
- EXHAUST PORT DIAMETER: 18mm
- EXHAUST BOLT HOLE SPACING: 49.75mm
- INTAKE BOLT HOLE SPACING: 44.75mm
*PLEASE LOOK AT PHOTOS PROVIDED*
FITS MANY MODELS LIKE JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR
AND MANY OTHERS
*PLEASE BE SURE THAT YOUR OLD PART IS 64mm VALVE LENGTH.
IF NOT THIS PART WILL NOT WORK FOR YOUR BIKE*
