Our New Generation Cylinder
Our new generation cylinder is now available fully heat-treated and CNC machined for acuracy and fit world renowed westwood liners fitted - machined and honed, available in square and oval formats 200, 230, 250 & 270cc. Always look for the UPB logo cast on the push rod tube recess.
Has your cylinder run out of bore oversize ?
Then we can convert to a modern type piston high silicone content & modern Japanese piston rings, stop that 200cc Cub from smoking!
No need to convert the crankcases or cylinder head, also available in oversizes.
**Please note we need your old cylinder in exchange**
** These parts can be purchased seperately**
Additional extra thickness rocker cover gaskets for Finned Rocker Box Covers