This cylinder kit with 166cm³ is based on the reliable 150cm³ original cylinder of the PX150 models. With a bore enlarged to 61mm this cylinder fits the 150cm³ as well as the smaller 125cm³ engines.

In combination with the high-quality piston, the stable chrome-plated piston rings and the resistant hard cast iron, this cylinder is more of a workhorse than a real tuning cylinder. Due to its descent from the production cylinder it allows long and stress-free touring, even with continuous full throttle over the highway.

It is easy to tune for everyone, just increase the main nozzle by about 4-8 numbers, that's it.

The kit requires the cylinder head of the 150cc models (if not already available).

spark plug: Bosch W4AC or NGK B7HS

ignition timing: 18-21° v.OT