
Original: $26.79
-70%$26.79
$8.04The Story
Precision-broached and -machined to the strictest standards. Casehardened, chromoly steel. Lightening holes keep sprocket lightweight. Self-cleaning mud grooves prevent dirt build up. Special coating helps retain strength and aids in wear resistance.
- Built from heat-treated, case-hardened steel to handle the demands of high-performance riding
- Trusted by racers and performance riders for its proven strength and reliability
- Precision machined for perfect alignment and smooth, consistent power delivery
- Optimized tooth profile reduces chain wear and maximizes throttle response
- Lightweight design minimizes rotating mass for quicker acceleration
Fitment:
1998|Yamaha|WR400F|Base
1998|Yamaha|YZ400F|Base
1999|Kawasaki|KX250|Base
1999|Yamaha|WR400F|Base
1999|Yamaha|YZ250|Base
1999|Yamaha|YZ400F|Base
2000|Kawasaki|KX250|Base
2000|Yamaha|WR400F|Base
2000|Yamaha|YZ250|Base
2000|Yamaha|YZ426F|Base
2001|Kawasaki|KX250|Base
2001|Yamaha|WR426F|Base
2001|Yamaha|YFM660R Raptor|Base
2001|Yamaha|YZ250|Base
2001|Yamaha|YZ426F|Base
2002|Kawasaki|KX250|Base
2002|Yamaha|WR426F|Base
2002|Yamaha|YFM660R Raptor|Base
2002|Yamaha|YZ250|Base
2002|Yamaha|YZ426F|Base
2003|Kawasaki|KLX300R|Base
2003|Kawasaki|KX250|Base
2003|Yamaha|WR450F|Base
2003|Yamaha|YFM660R Raptor|Base
2003|Yamaha|YZ250|Base
2003|Yamaha|YZ450F|Base
2004|Kawasaki|KLX300R|Base
2004|Kawasaki|KX250|Base
2004|Yamaha|WR450F|Base
2004|Yamaha|YFM660R Raptor|Base
2004|Yamaha|YFZ450|Base
2004|Yamaha|YZ250|Base
2004|Yamaha|YZ450F|Base
2005|Kawasaki|KLX300R|Base
2005|Kawasaki|KX250|Base
2005|Yamaha|WR450F|Base
2005|Yamaha|YFM660R Raptor|Base
2005|Yamaha|YFZ450|Base
2005|Yamaha|YZ250|Base
2005|Yamaha|YZ450F|Base
2006|Kawasaki|KLX300R|Base
2006|Kawasaki|KX250|Base
2006|Yamaha|WR450F|Base
2006|Yamaha|YFZ450|Base
2006|Yamaha|YZ250|Base
2006|Yamaha|YZ450F|Base
2007|Kawasaki|KLX300R|Base
2007|Kawasaki|KX250|Base
2007|Yamaha|WR450F|Base
2007|Yamaha|YFZ450|Base
2007|Yamaha|YZ250|Base
2007|Yamaha|YZ450F|Base
2008|Yamaha|WR450F|Base
2008|Yamaha|YFZ450|Base
2008|Yamaha|YZ250|Base
2008|Yamaha|YZ450F|Base
2009|Yamaha|WR450F|Base
2009|Yamaha|YFZ450|Base
2009|Yamaha|YZ250|Base
2009|Yamaha|YZ450F|Base
2010|Yamaha|YZ250|Base
2010|Yamaha|YZ450F|Base
2011|Yamaha|WR450F|Base
2011|Yamaha|YZ250|Base
2011|Yamaha|YZ450F|Base
2012|Yamaha|WR450F|Base
2012|Yamaha|YFZ450|Base
2012|Yamaha|YZ250|Base
2012|Yamaha|YZ450F|Base
2013|Yamaha|WR450F|Base
2013|Yamaha|YFZ450|Base
2013|Yamaha|YZ250|Base
2013|Yamaha|YZ450F|Base
2014|Yamaha|WR450F|Base
2014|Yamaha|YZ250|Base
2014|Yamaha|YZ450F|Base
2015|Yamaha|WR450F|Base
2015|Yamaha|YZ250|Base
2015|Yamaha|YZ450F|Base
2016|Yamaha|WR450F|Base
2016|Yamaha|YZ250|Base
2016|Yamaha|YZ250X|Base
2016|Yamaha|YZ450F|Base
2016|Yamaha|YZ450FX|Base
2017|Yamaha|WR450F|Base
2017|Yamaha|YZ250|Base
2017|Yamaha|YZ250X|Base
2017|Yamaha|YZ450F|Base
2017|Yamaha|YZ450FX|Base
2018|Yamaha|WR450F|Base
2018|Yamaha|YZ250|Base
2018|Yamaha|YZ250X|Base
2018|Yamaha|YZ450F|Base
2018|Yamaha|YZ450FX|Base
2019|Yamaha|WR450F|Base
2019|Yamaha|YZ250|Base
2019|Yamaha|YZ250X|Base
2019|Yamaha|YZ450F|Base
2019|Yamaha|YZ450FX|Base
2020|Yamaha|WR450F|Base
2020|Yamaha|YZ250|Base
2020|Yamaha|YZ250X|Base
2020|Yamaha|YZ450F|Base
2020|Yamaha|YZ450FX|Base
2021|Yamaha|WR450F|Base
2021|Yamaha|YZ250|Base
2021|Yamaha|YZ250X|Base
2021|Yamaha|YZ450F|Base
2021|Yamaha|YZ450FX|Base
2022|Yamaha|WR450F|Base
2022|Yamaha|YZ250X|Base
2022|Yamaha|YZ450F|Base
2022|Yamaha|YZ450FX|Base
2023|Yamaha|WR450F|Base
2023|Yamaha|YZ250|Base
2023|Yamaha|YZ250X|Base
2023|Yamaha|YZ450F|Base
2023|Yamaha|YZ450FX|Base

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Precision-broached and -machined to the strictest standards. Casehardened, chromoly steel. Lightening holes keep sprocket lightweight. Self-cleaning mud grooves prevent dirt build up. Special coating helps retain strength and aids in wear resistance.
- Built from heat-treated, case-hardened steel to handle the demands of high-performance riding
- Trusted by racers and performance riders for its proven strength and reliability
- Precision machined for perfect alignment and smooth, consistent power delivery
- Optimized tooth profile reduces chain wear and maximizes throttle response
- Lightweight design minimizes rotating mass for quicker acceleration
Fitment:
1998|Yamaha|WR400F|Base
1998|Yamaha|YZ400F|Base
1999|Kawasaki|KX250|Base
1999|Yamaha|WR400F|Base
1999|Yamaha|YZ250|Base
1999|Yamaha|YZ400F|Base
2000|Kawasaki|KX250|Base
2000|Yamaha|WR400F|Base
2000|Yamaha|YZ250|Base
2000|Yamaha|YZ426F|Base
2001|Kawasaki|KX250|Base
2001|Yamaha|WR426F|Base
2001|Yamaha|YFM660R Raptor|Base
2001|Yamaha|YZ250|Base
2001|Yamaha|YZ426F|Base
2002|Kawasaki|KX250|Base
2002|Yamaha|WR426F|Base
2002|Yamaha|YFM660R Raptor|Base
2002|Yamaha|YZ250|Base
2002|Yamaha|YZ426F|Base
2003|Kawasaki|KLX300R|Base
2003|Kawasaki|KX250|Base
2003|Yamaha|WR450F|Base
2003|Yamaha|YFM660R Raptor|Base
2003|Yamaha|YZ250|Base
2003|Yamaha|YZ450F|Base
2004|Kawasaki|KLX300R|Base
2004|Kawasaki|KX250|Base
2004|Yamaha|WR450F|Base
2004|Yamaha|YFM660R Raptor|Base
2004|Yamaha|YFZ450|Base
2004|Yamaha|YZ250|Base
2004|Yamaha|YZ450F|Base
2005|Kawasaki|KLX300R|Base
2005|Kawasaki|KX250|Base
2005|Yamaha|WR450F|Base
2005|Yamaha|YFM660R Raptor|Base
2005|Yamaha|YFZ450|Base
2005|Yamaha|YZ250|Base
2005|Yamaha|YZ450F|Base
2006|Kawasaki|KLX300R|Base
2006|Kawasaki|KX250|Base
2006|Yamaha|WR450F|Base
2006|Yamaha|YFZ450|Base
2006|Yamaha|YZ250|Base
2006|Yamaha|YZ450F|Base
2007|Kawasaki|KLX300R|Base
2007|Kawasaki|KX250|Base
2007|Yamaha|WR450F|Base
2007|Yamaha|YFZ450|Base
2007|Yamaha|YZ250|Base
2007|Yamaha|YZ450F|Base
2008|Yamaha|WR450F|Base
2008|Yamaha|YFZ450|Base
2008|Yamaha|YZ250|Base
2008|Yamaha|YZ450F|Base
2009|Yamaha|WR450F|Base
2009|Yamaha|YFZ450|Base
2009|Yamaha|YZ250|Base
2009|Yamaha|YZ450F|Base
2010|Yamaha|YZ250|Base
2010|Yamaha|YZ450F|Base
2011|Yamaha|WR450F|Base
2011|Yamaha|YZ250|Base
2011|Yamaha|YZ450F|Base
2012|Yamaha|WR450F|Base
2012|Yamaha|YFZ450|Base
2012|Yamaha|YZ250|Base
2012|Yamaha|YZ450F|Base
2013|Yamaha|WR450F|Base
2013|Yamaha|YFZ450|Base
2013|Yamaha|YZ250|Base
2013|Yamaha|YZ450F|Base
2014|Yamaha|WR450F|Base
2014|Yamaha|YZ250|Base
2014|Yamaha|YZ450F|Base
2015|Yamaha|WR450F|Base
2015|Yamaha|YZ250|Base
2015|Yamaha|YZ450F|Base
2016|Yamaha|WR450F|Base
2016|Yamaha|YZ250|Base
2016|Yamaha|YZ250X|Base
2016|Yamaha|YZ450F|Base
2016|Yamaha|YZ450FX|Base
2017|Yamaha|WR450F|Base
2017|Yamaha|YZ250|Base
2017|Yamaha|YZ250X|Base
2017|Yamaha|YZ450F|Base
2017|Yamaha|YZ450FX|Base
2018|Yamaha|WR450F|Base
2018|Yamaha|YZ250|Base
2018|Yamaha|YZ250X|Base
2018|Yamaha|YZ450F|Base
2018|Yamaha|YZ450FX|Base
2019|Yamaha|WR450F|Base
2019|Yamaha|YZ250|Base
2019|Yamaha|YZ250X|Base
2019|Yamaha|YZ450F|Base
2019|Yamaha|YZ450FX|Base
2020|Yamaha|WR450F|Base
2020|Yamaha|YZ250|Base
2020|Yamaha|YZ250X|Base
2020|Yamaha|YZ450F|Base
2020|Yamaha|YZ450FX|Base
2021|Yamaha|WR450F|Base
2021|Yamaha|YZ250|Base
2021|Yamaha|YZ250X|Base
2021|Yamaha|YZ450F|Base
2021|Yamaha|YZ450FX|Base
2022|Yamaha|WR450F|Base
2022|Yamaha|YZ250X|Base
2022|Yamaha|YZ450F|Base
2022|Yamaha|YZ450FX|Base
2023|Yamaha|WR450F|Base
2023|Yamaha|YZ250|Base
2023|Yamaha|YZ250X|Base
2023|Yamaha|YZ450F|Base
2023|Yamaha|YZ450FX|Base















