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 13 tooth front JT sprocket and 50 tooth rear JT sprocket with a 520ERT3114G 114-Link 520ERT3 Race MX clip link DID Chain

Fits:
Yamaha WR250F 2007,
Yamaha WR250F 2008,
Yamaha WR250F 2009,
Yamaha WR250F 2010,
Yamaha WR250F 2011,
Yamaha WR250F 2012,
Yamaha WR250F 2013,
Yamaha WR250F 2014,
Yamaha WR250F 2015,
Yamaha WR250F 2016,
Yamaha WR250F 2017,
Yamaha WR250F 2018,
Yamaha YZ250F 2014,
Yamaha YZ250F 2015,
Yamaha YZ250F 2016,
Yamaha YZ250F 2017,
Yamaha YZ250F 2018

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