Fits these Yamaha Models:
1979 QT50F - Cylinder
1980 LC50G - Cylinder
1980 QT50 - Cylinder
1980 QT502G - Cylinder
1980 QT50G - Cylinder
1981 PW50H - Cylinder
1981 QT50H - Cylinder
1982 MJ50J - Cylinder
1982 PW50J - Cylinder
1982 QT50J - Cylinder
1983 CA50K - Cylinder
1983 PW50K - Cylinder
1983 QT50K - Cylinder
1984 YT60L - Cylinder Head
1984 RIVA 50 (CA50L) - Cylinder
1984 YAMAHOPPER (QT50L) - Cylinder
1985 YT60N - Cylinder Head
1985 RIVA 50 (CA50N) - Cylinder
1985 Y-ZINGER (PW50N) - Cylinder
1985 YAMAHOPPER (QT50N) - Cylinder
1986 4-ZINGER (YF60S) - Cylinder Head Cylinder
1986 RIVA 50 (CA50S) - Cylinder
1986 Y-ZINGER (PW50S) - Cylinders
1986 YAMAHOPPER (QT50S) - Cylinder
1987 Y-ZINGER (PW50T) - Cylinders
1987 YAMAHOPPER (QT50T) - Cylinder
1990 Y-ZINGER (PW50A) - Cylinder
1991 Y-ZINGER (PW50B) - Cylinder
1992 Y-ZINGER (PW50D) - Cylinder
1993 Y-ZINGER (PW50E) - Cylinder
1994 Y-ZINGER (PW50F) - Cylinder
1995 Y-ZINGER (PW50G) - Cylinder
1996 Y-ZINGER (PW50H1) - Cylinder
1997 Y-ZINGER (PW50J1) - Cylinder
1998 Y-ZINGER (PW50K1) - Cylinder
1999 YZINGER (PW50L1) - Cylinder
2000 YZINGER (PW50M1) - Cylinder
2001 PW50 (PW50N1) - Cylinder
2002 PW50 (PW50P) - Cylinder
2003 PW50 (PW50R) - Cylinder
2004 PW50 (PW50S1) - Cylinder
2005 PW50 (PW50T1) - Cylinder
2006 PW50 (PW50V) - Cylinder
2007 PW50 (PW50W) - Cylinder
2008 PW50 (PW50X) - Cylinder
2009 PW50 (PW50Y) - Cylinder
2012 PW50 (PW50B1) - Cylinder
2013 PW50 (PW50D1) - Cylinder
2014 PW50 (PW50E1) - Cylinder
2015 PW50 (PW50F1) - Cylinder
2016 PW50 (PW50G2) - Cylinder
2017 PW50 (PW50H2) - Cylinder
2018 PW50 (PW50J2) - Cylinder
2019 PW50 (PW50K2) - Cylinder
2020 PW50 (PW50L2) - Cylinder
2021 PW50 (PW50M2) - Cylinder
2022 PW50 (PW50N2) - Cylinder
2022 PW50 (PW50N2C) - Cylinder
2023 PW50 (PW50P2) - Cylinder
2023 PW50 (PW50P2C) - Cylinder