Sunstar Sprockets Rear Sprocket - 51 Tooth - Honda/Yamaha - Works/Blue 5-359251Bl

• Sunstar is the largest OEM and aftermarket supplier of motorcycle and ARV sprockets in the manufacturing world for very major Japanese motorcycle builder since 1946
• Constructed of high-quality, aerospace grade 7075 T-6 aluminum
• Computer-designed weight reduction holes for the best combination of lightness, strength, and stability
• Exclusive tooth-valley design provides 50% better chain contact area for the best power transfer possible
• Hard anodized coating for added durability and a superb finish
• Cleaning grooves added at the bottom of tooth area

Honda -- XR200R -- (1984, 1985, 1987, 1993, 1996, 2000, 1986, 1988, 1990, 1995, 1997, 1991, 1998, 1999, 2001, 2002, 1992, 1994, 2003, 1989); Honda -- XL350R -- (1985, 1984); Honda -- XR600R -- (1985, 1987, 1986); Honda -- XR250R -- (1988, 1985, 1984, 1987, 1989, 1986); Honda -- XR350R -- (1985); Honda -- XR500R -- (1983, 1984); Yamaha -- YZ 250 -- (2004, 2015, 2008, 2014, 2002, 2005, 2011, 2001, 2009, 2012, 1999, 2000, 2010, 2013, 2007, 2003, 2006, 2021, 2020, 2022, 2023, 2024, 2016, 2017, 2019, 2018); Yamaha -- WR 426 F -- (2001, 2002); Yamaha -- YZ 125 -- (2000, 2010, 2011, 1999, 2005, 2013, 2009, 2014, 2002, 2015, 2003, 2007, 2012, 2008, 2004, 2001, 2006, 2020, 2021, 2022, 2023, 2024, 2019, 2017, 2016, 2018); Yamaha -- YZ 450 F -- (2003, 2014, 2009, 2012, 2015, 2007, 2011, 2013, 2016, 2008, 2005, 2006, 2010, 2004, 2020, 2022, 2021, 2023, 2024, 2018, 2019, 2017); Yamaha -- WR 250 X -- (2008, 2010, 2011, 2009); Yamaha -- YZ 250 F -- (2001, 2014, 2006, 2009, 2013, 2016, 2010, 2003, 2005, 2007, 2008, 2012, 2015, 2002, 2004, 2011, 2021, 2020, 2022, 2024, 2023, 2019, 2017, 2018); Yamaha -- WR 250 F -- (2002, 2014, 2005, 2010, 2011, 2012, 2004, 2007, 2009, 2013, 2001, 2003, 2006, 2008, 2015, 2019, 2020, 2021, 2022, 2024, 2023, 2016, 2017, 2018); Yamaha -- WR 450 F -- (2003, 2005, 2006, 2013, 2007, 2014, 2010, 2008, 2015, 2009, 2011, 2012, 2004, 2019, 2020, 2021, 2022, 2024, 2023, 2016, 2017, 2018); Yamaha -- TT-R 230 -- (2005, 2015, 2006, 2014, 2012, 2013, 2008, 2007, 2010, 2009, 2011, 2017, 2016); Yamaha -- WR 400 F -- (1999, 2000); Yamaha -- YZ 426 F -- (2001, 2002, 2000, 1999); Yamaha -- WR 250 R -- (2008, 2011, 2014, 2010, 2009, 2012, 2013, 2015, 2019, 2020, 2016, 2017, 2018); Yamaha -- YZ 400 F -- (1999); Yamaha -- YZ 250 FX -- (2015, 2020, 2021, 2022, 2024, 2023, 2017, 2018, 2016, 2019); Yamaha -- YZ 125 X -- (2020, 2021, 2022, 2023, 2024); Yamaha -- YZ 250 X -- (2021, 2020, 2022, 2023, 2018, 2016, 2017, 2019); Yamaha -- YZ 450 FX -- (2022, 2020, 2021, 2023, 2024, 2016, 2018, 2017, 2019)