Athena P4C0435198001A Top End Piston Kit with Gasket Set for Yamaha YZ65 2018-2025, 43.44mm Cast 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes brace The advanced internal runner design

The advanced internal runner design optimizes exhaust pulse timing for the 12V Cummins firing order

If you crave the rugged heritage of the full Matterhorn but need a lighter

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Take your motocross or supermoto bike to the next level with the Polisport UFX Front Fender

Athena P4C0435198001A Top End Piston Kit with Gasket Set for Yamaha YZ65 2018-2025, 43.44mm Cast 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes brace The advanced internal runner designRestore your Yamaha YZ65 engine performance with the Athena P4C0435198001A Top End Piston Kit. Designed specifically for Yamaha YZ65 models from 2018 2025, this complete rebuild solution includes a precision engineered 43. 44mm cast piston and matching top end gasket kit for reliable sealing and long lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved reliability,