Do not send us an email or note specifying what length chain you need. You must ORDER the correct length. BUYER must check chain length needed before ordering. Any info provided by seller regarding stock length is to the best of our knowledge, but seller is NOT responsible for chain that is ordered incorrectly. Any return for different length chain will be at buyer's expense, including shipping both ways. PLEASE check BEFORE ordering. This brand new black, o-ring chain sprocket kit fits the following models 1988 Yamaha Blaster 200 YFS200 1989 Yamaha Blaster 200 YFS200 1990 Yamaha Blaster 200 YFS200 1991 Yamaha Blaster 200 YFS200 1992 Yamaha Blaster 200 YFS200 1993 Yamaha Blaster 200 YFS200 1994 Yamaha Blaster 200 YFS200 1995 Yamaha Blaster 200 YFS200 1996 Yamaha Blaster 200 YFS200 1997 Yamaha Blaster 200 YFS200 1998 Yamaha Blaster 200 YFS200 1999 Yamaha Blaster 200 YFS200 2000 Yamaha Blaster 200 YFS200 2001 Yamaha Blaster 200 YFS200 2002 Yamaha Blaster 200 YFS200 2003 Yamaha Blaster 200 YFS200 2004 Yamaha Blaster 200 YFS200 2005 Yamaha Blaster 200 YFS200 2006 Yamaha Blaster 200 YFS200 Included is 1 520 x 92 o-ring chain black 1 Master link clip style 1 13 tooth front sprocket 1 40 tooth rear sprocket Tensile strength of 8200 pounds Factory Spec brand Stock gearing for this model is 13/40 with a 520x92 chain Factory Spec brand sprockets are made of hardened steel and built to last O-ring style means it will last longer with less maintenance than conventional chains