Athena S4C05400016A Cast Lite Piston Kit (A) - Standard Bore 53.94mm

Bore: 53.94mm
Sizing: Standard Bore

Cast Piston.

2-stroke pistons are made from 4032 silicium. Both include 3% copper in materials for better heat resistance. All pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and circlip. Made in Germany. Cast-lite flat-top piston.

Vehicle Fitment:

1997-2021 Yamaha YZ125
2020-2022 Yamaha YZ125X