Blue O-Ring Chain & Silver Sprocket 14/41 104L 89-2006 Yamaha YFZ350 350 Banshee 14 Tooth Front Sprocket, 41 Tooth Rear Sprocket and 520-104L Blue O-Ring Chain All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel. O-Ring Chain helps keep the pins lubricated which reduces friction and helps the chain last longer. Fits 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Yamaha YFZ350 Banshee