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Home › JPstore - Engine Top End › 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR
  • 100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR

100cc (50mm BORE) KIT FOR SCOOTERS QMB139 MOTORS *69mm VALVES* NON EGR

Weight:0.5 kg

90089, 87820, 87954, 87780
  • $2797 $27.97


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): NON EGR *69mm 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:
  • NON-EGR STYLE CYLINDER HEAD
  • 50MM BORE
  • VALVE LENGTH: 69mm
  • 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 SOME MODELS OF
JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR
AND MANY OTHERS *PLEASE BE SURE THAT YOUR OLD PART IS 69mm VALVE LENGTH. IF NOT THIS PART WILL NOT WORK FOR YOUR BIKE
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