Left fan plugs into the factory harness and turns on and off automatically from the factory fan temperature sensor. Right fan is wired directly to the battery and will turn on and off automatically..
YFZ450R EFI 2014-Newer Dual Fan Kit. Left fan plugs into the factory harness and turns on and off automatically from the factory fan temperture sensor. Right fan is wired directly to the battery and will turn on and off automatically using our InLine Coolant Line fan temperature sensor. 176 degree sensor.