VHM piston kit Yamaha TZ125 1994 - 1997 / TZ250 1992 - 1999 Ø55.93 (bore Ø56) APYA12521724A 1985 *Bolt is included*

*Bolt is included*

Made in the USA

Safe for use with all OEM and aftermarket clutch plates

The world famous golden VHM head with exchangeable combustion chamber is specially developed for optimal power output during the whole race and has an improved water duct

80cc volume is the VHM standard for Honda CR125R 1992 - 1999 and is developed for the best overall performance

VHM piston kit Yamaha TZ125 1994 - 1997 / TZ250 1992 - 1999 Ø55.93 (bore Ø56) APYA12521724A 1985 *Bolt is included*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. Furthermore, this piston includes special Z clips, which