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 48 tooth rear JT sprocket with a 520ERT3120G 120-Link 520ERT3 Race MX clip link DID Chain

Fits:
Yamaha YZ125 2005,
Yamaha YZ125 2006,
Yamaha YZ125 2007,
Yamaha YZ125 2008,
Yamaha YZ125 2009,
Yamaha YZ125 2010,
Yamaha YZ125 2011,
Yamaha YZ250F 2001,
Yamaha YZ250F 2002,
Yamaha YZ250F 2003,
Yamaha YZ250F 2004

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