Yamaha YZ450FX S Parts & Accessories

Everything we stock that fits the Yamaha YZ450FX S (2025): 10 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Drivetrain for the Yamaha YZ450FX S

JT Sprockets 520 Steel Front Sprocket, 14T (JTF565.14SC)JT Sprockets 520 Steel Front Sprocket, 14T (JTF565.14SC) $11.99 JT Sprockets 520 Steel Front Sprocket, 16T (JTF565.16)JT Sprockets 520 Steel Front Sprocket, 16T (JTF565.16) $11.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR251.48SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 48T (JTR251.48SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 49T (JTR251.49SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 49T (JTR251.49SC) $36.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR251.50SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 50T (JTR251.50SC) $36.99 JT Sprockets 520 Steel Front Sprocket, 13T (JTF565.13)JT Sprockets 520 Steel Front Sprocket, 13T (JTF565.13) $8.99 JT Sprockets 520 Steel Front Sprocket, 14T (JTF565.14)JT Sprockets 520 Steel Front Sprocket, 14T (JTF565.14) $8.99 JT Sprockets 520 Steel Front Sprocket, 15T (JTF565.15RB)JT Sprockets 520 Steel Front Sprocket, 15T (JTF565.15RB) $11.99 JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR251.51SC)JT Sprockets 520 Self-Cleaning Steel Rear Sprocket, 51T (JTR251.51SC) $36.99 JT Sprockets 520 Steel Front Sprocket, 15T (JTF565.15)JT Sprockets 520 Steel Front Sprocket, 15T (JTF565.15) $11.99

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your Yamaha YZ450FX S, tell us. Accuracy is the whole point.