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.