This is the lower LED harness specifically for the Yamaha YZ250F and YZ450F as well as FX models. This harness Includes an On/Off handle bar switch .
Some 2017 models have electric start and will need a universal wiring harness.
Please note, the bike MUST have enough DC power in order to run the light you are trying to purchase. You can check your bikes output by visiting Baja Designs website chart here: Motorcycle Output Charts or by emailing us with the year make and model of your bike to: email@example.com