Jetting may need to be changed per application. Use genuine Mikuni jets and parts for best results. Throttle is a bell crank push-pull style, not center pull. Haven't tried Viperizer Racing yet?What are you waiting for? Join the thousands of very satisfied customers we have served; we have the best prices, best customer service and a 100% no questions asked satisfaction policy. The item "Mikuni Geniune TM40mm TM 40mm 40 mm Flat Slide Smoothbore Carb Carburetor TM40-6" is in sale since Monday, May 21, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Carburetors & Parts". The seller is "viperizer" and is located in Ellwood City, Pennsylvania. This item can be shipped worldwide.