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

*Bolt is included*

silencer does not fit original exhaust

Reduced reed petal wear

Made in the USA

The 10mm kit comes with longer bolts

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