YAMAHA PISTON KIT
- 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
- Cast piston is gravity-cast aluminum alloy (not forged) with 18% silicone content
- OE replacement piston
- Kit includes piston, rings, wrist pin and circlips
23623A