Trail Tech's TTV Temperature Switching Fan Kit monitors your cooling system performance and automatically activates the fan to keep engine at optimum temperature range. features Custom adjustment of temperature trigger point Complete with fused wiring harness or plugs into most stock KTM harnesses Improved reliability over mechanical switching solutions Records Maximum Temperature No cutting of fluid lines 30 watt draw Kit Includes: 147CFM 4" Fan TTV Temp Meter Radiator Bracket Temp Sensor Wire Harness Fits: Honda CRF250X 2004-2007 2009-2017 CRF450X 2005-2017