PROX offers you this exhaust valve for your Yamaha YZ 450 F. As usual, PROX manufactures this valve in the best possible materials to guarantee excellent performance and reliability in your engine. This valve has the same characteristics as your motorcycle's original valve. So you won't need to make any adjustments. As you can see, PROX titanium is a good alternative for repairing your engine at lower cost with quality products.

Fits on:

YAMAHA WR 450 F 2026

YAMAHA WR 450 F 2025

YAMAHA WR 450 F 2024

YAMAHA YZ 450 F 2025

YAMAHA YZ 450 F 2025 Monster Energy Racing Edition

YAMAHA YZ 450 F 2024

YAMAHA YZ 450 F 2024 50th Anniversary Edition

YAMAHA YZ 450 F 2023 Monster Energy Racing Edition

YAMAHA YZ 450 F 2023

YAMAHA YZ 450 FX 2026 AMERICA

YAMAHA YZ 450 FX 2025 AMERICA

YAMAHA YZ 450 FX 2024 AMERICA