About this article. Compatibility: Fits 100cc to 150cc engines. Universal fit for Dirt Bike, MX, Motocross, Enduro, Off Road, Motorcycle, ATV, Quad UTV Scooter. Material: aluminum alloy Easy adjustable CNC fuel mixture screw. CNC adjustable idle speed screw. Advantage: You can intuitively see part of the internal structure. The transparent bottom shell can be replaced. Features: Ability to change pressure and allow fuel and air to flow. Universal modifications, faster acceleration, save fuel. Manufacturer JFG RACING Brand JFG RACING Product Weight 431 g Package Dimensions 15.29 x 10.69 x 10.59 cm; 431 g Manufacturer reference Y1214001282 Factory part number