VERTEX offers you this replacement piston for your original top engine mounted on your motocross YAMAHA YZ 125cc. This piston has the same characteristics as the original but it is improved. With its flat piston head, its slightly beveled 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: 53.93mm

B: 53.94mm

C: 53.95mm

D: 53.96mm

Fits on:

GAS GAS EC125 2001

GAS GAS EC125 2002

GAS GAS SM125 2001

GAS GAS SM125 2002

YAMAHA WR125Z 1998

YAMAHA WR125Z 1999

YAMAHA WR125Z 2000

YAMAHA WR125Z 2001

YAMAHA YZ125 1998

YAMAHA YZ125 1999

YAMAHA YZ125 2000

YAMAHA YZ125 2001