VERTEX offers you this replacement piston for your original top engine mounted on your motocross YAMAHA YZ 125cc from 1990 to 1993. This piston has the same characteristics as the original but it is improved. With its flat piston head, its slightly bevelled ring (be careful with the direction), graphite and its lubrication point at the level of the exhaust bar it allows an increased reliability and optimal performances. Sold as on the photo with the piston, ring, these 2 clips and are piston pin. We advise you to change your needle cage at each piston change to avoid premature breakage

Available in 4 wear dimensions:

A: 55.95mm

B: 55.96mm

C: 55.97mm

D: 55.98mm

Fits on:

YAMAHA YZ125 1990

YAMAHA YZ125 1991

YAMAHA YZ125 1992

YAMAHA YZ125 1993