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 52 tooth rear JT sprocket with a 428HD124 124-Link 428HD heavy duty clip link DID Chain

Fits:
Yamaha YZ85 Big Wheel 19/16 2002,
Yamaha YZ85 Big Wheel 19/16 2003,
Yamaha YZ85 Big Wheel 19/16 2004,
Yamaha YZ85 Big Wheel 19/16 2005,
Yamaha YZ85 Big Wheel 19/16 2006,
Yamaha YZ85 Big Wheel 19/16 2007,
Yamaha YZ85 Big Wheel 19/16 2008,
Yamaha YZ85 Big Wheel 19/16 2009,
Yamaha YZ85 Big Wheel 19/16 2010,
Yamaha YZ85 Big Wheel 19/16 2011,
Yamaha YZ85 Big Wheel 19/16 2012,
Yamaha YZ85 Big Wheel 19/16 2013,
Yamaha YZ85 Big Wheel 19/16 2014,
Yamaha YZ85 Big Wheel 19/16 2015,
Yamaha YZ85 Big Wheel 19/16 2016,
Yamaha YZ85 Big Wheel 19/16 2017,
Yamaha YZ85 Big Wheel 19/16 2018,
Yamaha YZ85 Big Wheel 19/16 2019,
Yamaha YZ85 Big Wheel 19/16 2020,
Yamaha YZ85 Big Wheel 19/16 2021,
Yamaha YZ85 Small Wheel 17/14 2021

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