Manufactured by gaskets use performance materials to increase durability and provide greater reliability Includes all gaskets pictured to rebuild top end transmission 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