Piston Kit - 76.96 mm - Yamaha YZ250F
The piston is heat-treated with a T-5 hardening and tempering cycle
The piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break in time and increased piston life
Forged high compression piston improves power and torque across entire rpm range
Piston kit includes piston, rings, wrist pin and circlips