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2Bros MCS LTD Company number 16176735 - Vat No. GB 508324506 - info@2bros-mx.com - Tel: 03301333748
This rear steel sprocket features 39 teeth and is built for use with 520 chain systems. Manufactured from high-quality C45 high carbon steel, it offers a strong, durable solution for a wide range of Yamaha ATVs and motorcycles. Each sprocket is heat-treated, hand-finished, and sandblasted to reduce surface tension, with a black powder-coated finish for enhanced surface integrity. It complies with strict motorcycle industry compound modification standards.
Features
Made from C45 high carbon steel for strength and durability
Heat-treated and hand-finished for consistent performance
Sandblasted to reduce surface tension
Black powder-coated finish
Designed to meet or exceed motorcycle industry standards
Specifications
Tooth Count: 39
Chain Size: 520
Material: C45 high carbon steel
Finish: Black powder coat
Part Number: SR603-39.STEEL
Cross-Reference OEM Part Numbers
AT-26039
Vehicle Fitments
Yamaha YFZ350 Banshee 1989–2006
Yamaha TT600 1996–1997
Yamaha YFZ450 2007–2018
Yamaha YFM250R Raptor 2008–2013
Yamaha YFM250RSP Raptor Special Edition 2008–2011
Yamaha YFM250RSP2 Raptor Special Edition 2 2008–2009
Yamaha YFM350R Raptor 2004–2013
Yamaha YFM350RSE Raptor Special Edition 2005–2007
Yamaha YFM350RSE2 Raptor Special Edition 2 2007
Yamaha YFM350X Warrior 1987–1988
Yamaha YFZ350 T, U Banshee 1987–1988
Yamaha YFZ450 S, T, V, W, X, Y, B, D 2004–2013
Yamaha YFZ450 BB-W Bill Ballance Edition 2007
Yamaha YFZ450 SE-W, X Special Edition 2007–2008
Yamaha YFZ450R Y, Z, A, B, D, E, F, G, H, J 2009–2018
Yamaha YFZ450R-D, F, E, F, G, H, J Special Edition 2013–2018
Yamaha YFZ450X-Z, A18PA/B/C 2010–2011
Yamaha YFM700R Raptor 2006–2019
Yamaha YFM700RSE Raptor Special Edition 2007–2019
Yamaha YFM700RYR-W Raptor GYTR Edition 2007
Yamaha YFM700RSP Raptor 50th Anniversary Edition 2006–2007
Yamaha YFM700RSP Raptor Special Edition 2008
Yamaha YFM700RSP2 Raptor Special Edition 2 2007–2008
Yamaha YFZ450BB Bill Ballance Edition 2006–2007
Yamaha YFZ450LE Limited Edition 2004
Yamaha YFZ450R 2009–2019
Yamaha YFZ450RSE Special Edition 2010–2019
Yamaha XT600E (Lightweight Rear Sprocket) 4PT/4SL 1999–2003
Yamaha XT600E, EC-A, B, D, E, F, G (Lightweight Rear Sprocket)
Yamaha TT600E