Manufactured by
Kit Includes piston, rings, pin, clips (you get exactly what is pictured)
Cast piston has super-high silicone content for additional strength
Piston skirts are Molybdenium Teflon coated to minimize resistance/wear and provide extended life
Piston dome is anodized for superior heat resistance and longer lifespan
Kit is for standard bore size – 68.00mm
Piston is 67.94mm for size A cylinders
Compression ratio of 10.6:1
Compatible with Yamaha models below:
1992 – 1998 YZ250
1992 – 1997 WR250