Athena Racing Piston Kit - S4F07200006B Yamaha YZ 250 2003-2024 Brand_Ultracool Nickel silicon plated bore for

Nickel silicon plated bore for durability

High pressure nitrogen gas charged

1982-1983 Yamaha YT175 Tri-Moto 1983-1985 Yamaha YT125 Tri-Moto 1988-2002 Yamaha YFS200 Blaster 1989-2004 Yamaha YFA-1 Breeze125 2004-2012 Yamaha YFM125 Grizzly 2023-2024 Kayo Bull 150 2023-2024 Kayo Bull 180 2023-2024 Kayo Storm 150 2023-2024 Kayo Storm 180

00 mm Riding Style Off-Road Bore Size 78

Any time you rebuild your primary clutch you should also change out the bearings and washers

Athena Racing Piston Kit - S4F07200006B Yamaha YZ 250 2003-2024 Brand_Ultracool Nickel silicon plated bore forFeatures Two 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 0. 01 mm Forged piston tooling allows for the lightest available product Kit includes antiwear coated piston, rings, pin and circlips Specs Piston Head Shape Domed Units Kit Piston Material 4032 Aluminum Alloy Model Racing