Product Description
TAIDA 50cc QMB139 4-STROKE 52mm, 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 87.9cc!
WHEN USED WITH A 44mm STROKER CRANK
TOTAL DISPLACEMENT MEASURES 93cc!
UPGRADES TO 87.9cc
CYLINDER BORE: 52mm
CYLINDER SLEEVE OUTER DIAMETER: 54.4mm
WRIST PIN DIAMETER: 13mm
TOTAL PISTON HEIGHT: 36.3mm
COMPRESSION HEIGHT (FROM CENTER OF WRIST PIN HOLE TO TOP EDGE OF PISTON): 20MM
NON-EMISSIONS STYLE HEAD
INTAKE VALVE: 23mm
EXHAUST VALVE: 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
AND MANY OTHERS
*PLEASE LOOK AT PHOTOS PROVIDED*
FITS MANY MODELS LIKE JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR
AND MANY OTHERS
