Wiseco FMC011 Fuel Management Controller Fits: Kawasaki KFX 450 2007-13 (Not emissions legal in California, For Closed-Course Competition Use Only) Wiseco's new Electronic Fuel Injection Controllers are simple and easy to use, with the push of a button, you can easily adjust fuel flow for modifications such as high compression pistons, cams, intake, and exhaust to fine tune your bike There is no dyno or computer needed, it gives you three basic zones of operation, similar to a carburetor The first zone sets your idle to 1/4 throttle, the second sets 1/4 to 1/2 throttle, and the third zone sets 1/2 to wide open throttle Features simple to use and understand push button operation for easy air/fuel ratio adjustment and plug n' play installation