Heavy Duty Chain and Sprocket Kit GOLD for Yamaha YS125 '17-21

JMP Nut Rear Sprocket Kit Bolt M8X1.25mm 1 Fits Yamaha YS 125 CBS 2017-2021

Nut Rear Sprocket Kit Racing Red Fits Yamaha YS 125 2017-2021

Nut Rear Sprocket Kit Racing Gold Fits Yamaha TW 125 1999-2003

Nut Rear Sprocket Kit Racing Gold Fits Yamaha WR 125 2009-2017

Nut Rear Sprocket Kit Racing Blue Fits Yamaha YS 125 2017-2021

Nut Rear Sprocket Kit Racing Gold Fits Yamaha YZF-R 125 2008-2018

Nut Rear Sprocket Kit Racing Black Fits Yamaha YS 125 2017-2021