Athena P4C0540118014B Top End Piston Kit with Gasket Kit for Yamaha 125 YZ 2005-2021 - 53.96 mm Cast 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes soap ) design is ideal for

) design is ideal for working in confined spaces

but also to assure the best available products

and debris so it can operate reliably in rain

engineered for precise OEM‑fit compatibility with YZ250F and YZ450F models from 2003 to 2005

no weak ties

Athena P4C0540118014B Top End Piston Kit with Gasket Kit for Yamaha 125 YZ 2005-2021 - 53.96 mm Cast 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes soap ) design is ideal forRestore your Yamaha 125 YZ engine performance with the Athena P4C0540077020B Top End Piston Kit. Designed specifically for Yamaha 125 YZ models from 2005 2021, this complete rebuild solution includes a precision engineered 53. 96 mm 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