YAMAHA TZ250 U W A Models, 1988-1989-1990 VHM pistons are 100% CNC machined from high quality material and have a non-circular profile to better prevent engine lockups. They stand for high performance, longevity and keeping high performance during it's lifetime. This piston consists of an inside coating, which reduces micro welding, lowers the friction on the pin, prevents piston bore galling and provides a very good thermal conduction.
This piston needs a clearance of 0.07mm!
Includes Piston, .8mm Ring, piston pin, 2x clips (uses standard bearing)
* two sizes available, 55.93 & 55.94, choose your size