PROX offers you this exhaust valve for your Yamaha YZ 450 F/WR 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 2020 EUROPE

YAMAHA WR 450 F 2019 EUROPE

YAMAHA WR 450 F 2018 EUROPE

YAMAHA WR 450 F 2018 Enduro GP EUROPE

YAMAHA WR 450 F 2018 AMERICA

YAMAHA WR 450 F 2017 EUROPE

YAMAHA WR 450 F 2017 AMERICA

YAMAHA WR 450 F 2016 AMERICA

YAMAHA WR 450 F 2016 EUROPE

YAMAHA YZ 450 F 2019 EUROPE

YAMAHA YZ 450 F 2019 AMERICA

YAMAHA YZ 450 F 2018 AMERICA

YAMAHA YZ 450 F 2018 EUROPE

YAMAHA YZ 450 F 2017 EUROPE

YAMAHA YZ 450 F 2017 AMERICA

YAMAHA YZ 450 F 2016 AMERICA

YAMAHA YZ 450 F 2016 60th Anniversary EUROPE

YAMAHA YZ 450 F 2016 EUROPE

YAMAHA YZ 450 F 2015 EUROPE

YAMAHA YZ 450 F 2015 AMERICA

YAMAHA YZ 450 F 2014 EUROPE

YAMAHA YZ 450 F 2014 AMERICA

YAMAHA YZ 450 FX 2020 AMERICA

YAMAHA YZ 450 FX 2019 AMERICA

YAMAHA YZ 450 FX 2018 AMERICA

YAMAHA YZ 450 FX 2017 AMERICA

YAMAHA YZ 450 FX 2016 AMERICA