VHM piston kit Yamaha TZ125 1994 - 1997 / TZ250 1992 - 1999 Ø55.93 (bore Ø56) APYA12521724A 1985 The 10mm kit comes with

The 10mm kit comes with longer bolts

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

switch is included with the CDI unit

Made in the USA

VHM piston kit Yamaha TZ125 1994 - 1997 / TZ250 1992 - 1999 Ø55.93 (bore Ø56) APYA12521724A 1985 The 10mm kit comes withVHM 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