100CC SUPER BIG BORE KIT FOR SCOOTERS WITH 50cc QMB139 MOTORS
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100cc SUPER BIG BORE KIT FOR CHINESE SCOOTERS
THIS KIT HAS A 50mm CYLINDER BORE AND 64MM VALVES 
img-qind.JPGHoca 4T Racing Kit for 50cc 4-stroke QMB139 Scooters and Engines. This kit includes everything you need to increase overall speed, horsepower and torque. 

*You may need to modify your engine case to accommodate the larger cylinder. Please note: for Cylinder Heads with 64mm Valves (Short Valve Style).

Includes High Performance:

  • CVK 26mm HP Carburetor
  • Performance Transmission Kit
  • Power Intake
  • High-Angle Camshaft
  • 1500 RPM Torque Yellow Drive Spring
  • Big Bore Kit (50mm)
  • Complete Performance Cylinder Head
  • Overall Height (cylinder): 71mm
  • Valve Overall Length: 62.3mm (compatible with 64mm Short Valve Style Heads)
FITS MOST CHINESE SCOOTERS WITH 
50cc, 60cc, and 80cc, QMB139 MOTORSWITH 64mm VALVES

FITS JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR
AND MANY OTHERS

SHIPS FROM DENVER, NC

 

100CC SUPER BIG BORE KIT FOR SCOOTERS WITH 50cc QMB139 MOTORS

Price: $479.00
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Availability: In-Stock
# Available: 3
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