Cylinder kit WM 70cc – CPI / Longjia / Keeway (12 mm piston pin)

Description

The WM 70cc cylinder kit is an excellent choice for everyday use for riders who want more power without additional engine modifications. It provides a noticeable increase in torque and a higher top speed, both on flat roads and uphill.
Installation is simple, as the kit does not require a crankshaft replacement – it fits the original crankshaft. It is compatible with the original exhaust, although a sports exhaust is recommended for optimal performance.

The piston pin diameter is 12 mm, and the piston diameter is 47 mm.
WM includes two sets of piston rings in the kit, meaning one extra set is provided for free.