Replace or upgrade your worn chain and sprockets with this market leading sprocket kit featuring quality JT Sprockets and D.I.D chain brought to you by THS Moto. Note the chain may need to be adjusted to length using a chain breaker tool.

This Sprocket Kit contains a 14 tooth front JT sprocket and 50 tooth rear JT sprocket with a 520VX3114 114-Link 520VX3 FJ X-Ring Solid Bush clip DID Chain

Fits:
Yamaha WR400F L 1999,
Yamaha WR400F M 2000,
Yamaha WR426F 2001,
Yamaha WR426F 2002,
Yamaha YZ250 1999,
Yamaha YZ250 2000,
Yamaha YZ250 2001,
Yamaha YZ250 2005,
Yamaha YZ250 2006,
Yamaha YZ250 2007,
Yamaha YZ250 2008,
Yamaha YZ250 2009,
Yamaha YZ250 2010,
Yamaha YZ250 2011,
Yamaha YZ250 2012,
Yamaha YZ250 2013,
Yamaha YZ250 2014,
Yamaha YZ250 2015,
Yamaha YZ250 2016,
Yamaha YZ250 2017,
Yamaha YZ250 2018,
Yamaha YZ250 2019,
Yamaha YZ250 2020,
Yamaha YZ250 2021,
Yamaha YZ250X 2t 2016,
Yamaha YZ250X 2t 2017,
Yamaha YZ250X 2t 2018,
Yamaha YZ250X 2t 2019,
Yamaha YZ250X 2t 2020,
Yamaha YZ250X 2t 2021

See our other THS Moto listings for tools and stands for working on your bike at home.