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Race Spec (RS) Aluminum Rear Sprocket - Blue

Race Spec (RS) Rear Sprockets are CNC machined to precise tolerances from high quality, heat treated 7075-T6 aluminum alloy. Painstakingly engineered, they achieve optimum load distribution, unsprung weight savings, and tooth endurance. The result is a durable, featherweight and feature-packed sprocket unequaled in the market.

Part Number Price Add
033197 $87.73 Out Of Stock
033199 $87.73 Out Of Stock
033217 $87.73 Out Of Stock
033201 $87.73 Out Of Stock
033219 $87.73 Out Of Stock
033203 $73.49 Out Of Stock
033221 $87.73 Out Of Stock
033223 $87.73 Out Of Stock
033225 $87.73 Out Of Stock
033227 $87.73 Out Of Stock
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  • Heat treated, precision CNC machined 7075-T6 billet aluminum construction for the ultimate in lightweight strength
  • Exclusive Angled Mud Groove design allows sprocket to self-clean during operation, preventing dirt buildup that leads to horsepower loss and sprocket wear
  • Deep penetrating anodized finish (hard anodizing on black sprockets) protects against corrosion, improves wear resistance
  • Carefully engineered window pattern reduces unsprung rotating mass without compromising strength
  • Machined edge chamfers eliminate sharp edges, reduce weight, and make for a cleaner appearance
  • Countersinks automatically center sprocket to hub during installation—no hub center guide needed
  • Machined inlay for subsurface sticker location
  • Made in USA
The items on this page fit:

Part Number Model Year(s)
033197 Yamaha YZ80 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
033197 Yamaha YZ85 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033199 Yamaha YZ80 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
033199 Yamaha YZ85 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033201 Yamaha YZ80 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
033201 Yamaha YZ85 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033203 Yamaha YZ80 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
033203 Yamaha YZ85 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha WR400F 1999, 2000
033217 Yamaha WR426F 2001, 2002
033217 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ125X 2020
033217 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ400F 1999
033217 Yamaha YZ426F 2000, 2001, 2002
033217 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033217 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
033219 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha WR400F 1999, 2000
033219 Yamaha WR426F 2001, 2002
033219 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ125X 2020
033219 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ400F 1999
033219 Yamaha YZ426F 2000, 2001, 2002
033219 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033219 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
033221 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha WR400F 1999, 2000
033221 Yamaha WR426F 2001, 2002
033221 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ125X 2020
033221 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ400F 1999
033221 Yamaha YZ426F 2000, 2001, 2002
033221 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033221 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
033223 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha WR400F 1999, 2000
033223 Yamaha WR426F 2001, 2002
033223 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ125X 2020
033223 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ400F 1999
033223 Yamaha YZ426F 2000, 2001, 2002
033223 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033223 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
033225 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha WR400F 1999, 2000
033225 Yamaha WR426F 2001, 2002
033225 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ125X 2020
033225 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ400F 1999
033225 Yamaha YZ426F 2000, 2001, 2002
033225 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033225 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
033227 Yamaha WR250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha WR400F 1999, 2000
033227 Yamaha WR426F 2001, 2002
033227 Yamaha WR450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ125 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ125X 2020
033227 Yamaha YZ250 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ250F 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ250FX 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ250X 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ400F 1999
033227 Yamaha YZ426F 2000, 2001, 2002
033227 Yamaha YZ450F 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
033227 Yamaha YZ450FX 2016, 2017, 2018, 2019, 2020
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Since 1991, ProTaper has lead the way in premium control components. We pride ourselves on providing an exciting, innovative, and complete product line to fulfill the needs of professional racers and weekend riders alike. Through revolutionary ideas like the oversized 1⅛" handlebar and the Micro Handlebar Kit—the only control system purpose-built for youth riders—ProTaper continues to push the limits and transform how we experience riding our motorcycles.

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