Piston Ring 40.75mm For Wiseco Pistons Only

All Wiseco rings can be used in cast iron, nickel ceramic plating (Nikasil), boron composite, and Electrofusion bores. CAUTION: Unless otherwise noted, Wiseco rings can not be used in chrome plated bores. Engine damage will occur.

Fitment:
1981 Yamaha PW 50
1982 Yamaha PW 50
1983 Yamaha PW 50
1984 Yamaha PW 50
1985 Yamaha PW 50
1986 Yamaha PW 50
1987 Yamaha PW 50
1988 Yamaha PW 50
1989 Yamaha PW 50
1990 Yamaha PW 50
1991 Yamaha PW 50
1992 Yamaha PW 50
1993 Yamaha PW 50
1994 Yamaha PW 50
1995 Yamaha PW 50
1996 Yamaha PW 50
1997 Yamaha PW 50
1998 Yamaha PW 50
1999 Yamaha PW 50
2000 Yamaha PW 50
2001 Yamaha PW 50
2002 Yamaha PW 50
2003 Yamaha PW 50
2004 Yamaha PW 50
2005 Yamaha PW 50
2006 Yamaha PW 50
2007 Yamaha PW 50
2008 Yamaha PW 50
2009 Yamaha PW 50
2012 Yamaha PW 50
2013 Yamaha PW 50
2014 Yamaha PW 50
2015 Yamaha PW 50
2016 Yamaha PW 50
2017 Yamaha PW 50
2018 Yamaha PW 50
2019 Yamaha PW 50
2020 Yamaha PW 50
2021 Yamaha PW 50