Feature:1. OE Number: The referencing OE number of this ATV handlebar switch are 5LP 83973 01 00, 5LP 83973 00 0, molded and designed depend on the original data.2. Fitment: The engine run off headlight switch is a replacement for Raptor 660 660R, please check the model of your ATV before ordering.3. Convenient Engine Start: This ATV handlebar switch allows for easy and convenient engine start, eliminating the need to reach for the key or use additional starting mechanisms.4. Headlight Control: This handlebar switch also includes a headlight switch with high, low, and off options, allowing riders to optimize visibility based on their needs and riding conditions.5. Integrated Choke Lever: The choke lever on this handlebar switch provides users with effortless control over the ATV's choke, ensuring smoother engine performance during cold starts.Specification:Item Type: Engine Start SwitchOE Number: 5LP 83973 01 00, 5LP 83973 00 0Material: ABSFunction:1.Engine Start2.Engine Run Off3.Headlight High Low Off4.Choke LeverFitment:Fits for Raptor 660 YFM 2001-2005Fits for RAPTOR 660R - YFM660RN/YFM660RNC 2001Fits for RAPTOR 660R - YFM660RP/YFM660RPB 2002Fits for RAPTOR 660R - YFM660RR/YFM660RLER 2003Fits for RAPTOR 660R - YFM660RS/YFM660RLES 2004Fits for RAPTOR 660R - YFM660RT/YFM660RSET 2005.Package List:1 xATV Handlebar SwitchNote:Please double check the part number of your item, matching information is for reference only.Installation by a professional mechanic is highly recommended