TAIDA SCOOTER PERFORMANCE BIG BORE CYLINDER & HEAD UPGRADE KIT 50mm QMB139

  

TAIDA 50cc QMB139 4-STROKE 50mm. RACING BIG BORE CYLINDER & HEAD KIT. KIT INCLUDES CYLINDER, PISTON, RINGS. PISTON PIN, CIR CLIPS, CYLINDER HEAD. HEAD GASKET, AND BASE GASKET.

WHEN USED IN CONJUNCTION WITH A STOCK STROKE OF 41.4mm. THE TOTAL DISPLACEMENT COMES OUT TO 81cc AKA 100cc. WHEN USED WITH A 44mm STROKER CRANK. CYLINDER SLEEVE OUTER DIAMETER: 54.4mm. TOTAL PISTON HEIGHT: 36.3mm. FROM CENTER OF WRIST PIN HOLE. TO TOP EDGE OF PISTON: 20MM. INTAKE PORT DIAMETER: 20.8mm. EXHAUST PORT DIAMETER: 18.7mm. USES SHORT 64mm VALVE STEMS. FITS MOST MODELS OF, JMSTAR, ROKETA. SUNL, TANK, PEACE, TAOTAO, GATOR.

PLEASE LOOK AT PHOTOS PROVIDED. TAO MOTORS, TAOTAO, WOLF, ICE BEAR, JMSTAR.

ROKETA, SUNL, TANK, PEACE, COUGAR, GATOR AND MANY OTHERS. THIS PART SHOULD BE INSTALLED BY A PROFESSIONAL MECHANIC. THANKS FOR YOUR INTEREST IN OUR PRODUCTS.