Cylinder kit 67mm ceramic plated 187cc or 200cc 2V
2 Valve kit to fit the YX, HO & Zongshen engines
Compleat kit
1 x Cylinder 67mm
1 x Head and base gasket
1 x Piston kit with rings 13 pin 2V
Skirt 70mm Cases will need boring out
See below engine size to stroke
53mm stroke = 187cc
57mm stroke = 200cc