With press-fitted adapter at the back. All parts needed to mount the carb are included (we offer a throttle/throttle cables kit, too). Comes prejetted for the KFX. Includes extra main jets for fine-tuning. We are Keihin and Mikuni dealer - we're here to help.Nd, don't forget to check our other items. And be sure to add me to your favourites list. The item "Mikuni TM 40 flatslide racing carburetor Kawasaki KFX 400 ATV QUAD UPGRADE KIT" is in sale since Friday, June 10, 2016. This item is in the category "Vehicle Parts & Accessories\Trials & Motocross Bike Parts"." and is located in Hengelo. This item can be shipped worldwide.