his radiator fan kit adds a cooling fan to the right side radiator,

 increasing the overall cooling capability.

Good for tight, muddy riding conditions and competition

Easy installation — motorcycle is already pre-wired for plug-and-play

No modifications necessary

Note: Certain 2019 YZ450FX units may not have had the ECU properly programmed

 to control the operation of this accessory fan kit. 

Please check with your dealer to ensure that operation of the accessory fan kit has been enabled.

Fits:

Yamaha YZ450FX 2019