JT Sprockets Steel Rear Sprocket Yamaha YZ 125 250 1999 - 2021 YZF 250 2001 - 21 YZF 426 2000 - 2002 YZF 450 2003 - 21, 49T Expansion Chamber Seals & Springs

Expansion Chamber Seals & Springs for popular Yamaha two-strokes

glass-like professional finish that provides a long-lasting shine

*Please note these only work with RNR canister sets NOT 100%*

Includes billet seat button and appropriate fasteners for each application and brand

Husqvarna TC & FC 125 - 450 models 2023 - 2024

JT Sprockets Steel Rear Sprocket Yamaha YZ 125 250 1999 - 2021 YZF 250 2001 - 21 YZF 426 2000 - 2002 YZF 450 2003 - 21, 49T Expansion Chamber Seals & SpringsJT Sprockets is the world's leading manufacturer of aftermarket sprockets, constantly raising the industry's standards for quality and service. SC Lightweight Steel Rear Sprockets The new standard in steel rear motocross sprockets. A unique self cleaning design keeps the contact area clean from dirt and mud while significantly reducing weight. Made from heat induction hardened C45 steel which lasts up to six times longer than a 7075 aluminium sprocket