PISTON KIT YZ250 B

Piston Kit

• Two-stroke pistons are made from 4032 silicium
• Four-stroke pistons are made from 2618 silicium
• the same material used to produce Formula 1 pistons
• 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
• Most piston kits are available in A or B sizing
• Forged piston tooling allows for the lightest available product
• Kits include antiwear coated piston, rings, pin and circlips