Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service.
Diameter: 40mm
Note: This includes ONE Piston Ring and some fitments may require two rings.
1981 Yamaha PW50
1982 Yamaha PW50
1983 Yamaha PW50
1984 Yamaha PW50
1985 Yamaha PW50
1986 Yamaha PW50
1987 Yamaha PW50
1987 Yamaha YSR50
1988 Yamaha PW50
1988 Yamaha YSR50
1989 Yamaha PW50
1989 Yamaha YSR50
1990 Yamaha PW50
1990 Yamaha YSR50
1991 Yamaha PW50
1991 Yamaha YSR50
1992 Yamaha PW50
1992 Yamaha YSR50
1993 Yamaha PW50
1994 Yamaha PW50
1995 Yamaha PW50
1996 Yamaha PW50
1997 Yamaha PW50
1998 Yamaha PW50
1999 Yamaha PW50
2000 Yamaha PW50
2001 Yamaha PW50
2002 Yamaha PW50
2003 Yamaha PW50
2004 Yamaha PW50
2005 Yamaha PW50
2006 Yamaha PW50
2007 Yamaha PW50
2008 Yamaha PW50
2009 Yamaha PW50
2010 Yamaha PW50
2011 Yamaha PW50
2012 Yamaha PW50
2013 Yamaha PW50
2014 Yamaha PW50
2015 Yamaha PW50
2016 Yamaha PW50
2017 Yamaha PW50
2018 Yamaha PW50
2019 Yamaha PW50
2020 Yamaha PW50
2021 Yamaha PW50
2022 Yamaha PW50
2023 Yamaha PW50
Wossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high-performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service.
Diameter: 40mm
Note: This includes ONE Piston Ring and some fitments may require two rings.
1981 Yamaha PW50
1982 Yamaha PW50
1983 Yamaha PW50
1984 Yamaha PW50
1985 Yamaha PW50
1986 Yamaha PW50
1987 Yamaha PW50
1987 Yamaha YSR50
1988 Yamaha PW50
1988 Yamaha YSR50
1989 Yamaha PW50
1989 Yamaha YSR50
1990 Yamaha PW50
1990 Yamaha YSR50
1991 Yamaha PW50
1991 Yamaha YSR50
1992 Yamaha PW50
1992 Yamaha YSR50
1993 Yamaha PW50
1994 Yamaha PW50
1995 Yamaha PW50
1996 Yamaha PW50
1997 Yamaha PW50
1998 Yamaha PW50
1999 Yamaha PW50
2000 Yamaha PW50
2001 Yamaha PW50
2002 Yamaha PW50
2003 Yamaha PW50
2004 Yamaha PW50
2005 Yamaha PW50
2006 Yamaha PW50
2007 Yamaha PW50
2008 Yamaha PW50
2009 Yamaha PW50
2010 Yamaha PW50
2011 Yamaha PW50
2012 Yamaha PW50
2013 Yamaha PW50
2014 Yamaha PW50
2015 Yamaha PW50
2016 Yamaha PW50
2017 Yamaha PW50
2018 Yamaha PW50
2019 Yamaha PW50
2020 Yamaha PW50
2021 Yamaha PW50
2022 Yamaha PW50
2023 Yamaha PW50
