Brand New Race-Driven Chain and Sprocket Kit. You will receive receive 1 - 520-92L o-ring chain, 1 - 12 tooth front steel sprocket and 1 - 40 tooth rear steel sprocket to replace the chain and sprockets on the following:



2001 2002 2003 2004 2005 Yamaha Raptor 600 YFM660



Race-Driven Steel Sprockets are made from S45C Steel and are manufactured to meet or exceed OEM specifications.



All chains include a masterlink. These chains are designed for the casual - recreational rider. Race-Driven branded o-ring chain has an average tensile strength in excess of 8200 lbs. Race-Driven offers different qualities of chain, we have our basic non-o-ring chain and o-ring chain, make sure when purchasing a

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Chain and Sprockets for Yamaha Raptor 660 YFM660 2001-2005 Blue O-Ring 12/40 92L

Brand New Race-Driven Chain and Sprocket Kit. You will receive receive 1 - 520-92L o-ring chain, 1 - 12 tooth front steel sprocket and 1 - 40 tooth rear steel sprocket to replace the chain and sprockets on the following:

2001 2002 2003 2004 2005 Yamaha Raptor 600 YFM660

Race-Driven Steel Sprockets are made from S45C Steel and are manufactured to meet or exceed OEM specifications.

All chains include a masterlink. These chains are designed for the casual - recreational rider. Race-Driven branded o-ring chain has an average tensile strength in excess of 8200 lbs. Race-Driven offers different qualities of chain, we have our basic non-o-ring chain and o-ring chain, make sure when purchasing a chain you do so according to your riding style.

O-Ring chain is named such because it has rubber o-rings between each link so it helps hold the oil in the in and the dirt out. The o-rings helps keep the pins lubricated which reduces friction and helps the chain last longer.