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 .040 over bore size – 48.00mm
Piston is 47.97mm
Compression ratio of 6.6:1
Compatible with Yamaha models below:
1983 PW80
1984 PW80
1985 PW80
1986 BW80
1986 PW80
1987 BW80
1987 PW80
1988 BW80
1988 PW80
1989 PW80
1990 BW80
1990 PW80
1991 PW80
1992 PW80
1993 PW80
1994 PW80
1995 PW80
1996 PW80
1997 PW80
1998 PW80
1999 PW80
2000 PW80
2001 PW80
2002 PW80
2003 PW80
2004 PW80
2005 PW80
2006 PW80