Features: 1.Important Parameter: The air intake diameter is 20mm, the air box outer diameter is 20mm, the air box inner diameter is 15mm. 2.Fitment: The 15mm bing style carb is a replacement for Murray, replacement for Sears Free Spirit, replacement for J.C. Penney Pinto, replacement for Puch Maxi. 3.Uniform Mixture Output: The carburetor mixes a certain amount of gasoline with air to meet the different operating conditions of the engine. 4.Ideal Solution: If there is not enough fuel mixed with air, then the engine will run in lean condition, which will stop the engine and may also damage the engine. 5.Professional Manufacturing: Metal construction for maximum durability. Stable characteristics, high reliability. Perfect match for the original motorbike. Specification: Item Type: 15mm Bing Style Carb_x000D_ Material: Metal_x000D_ Air Intake Inner Diameter: Approx. 20mm/0.79in_x000D_ Air Box Outer Diameter: Approx. 20mm/0.79in_x000D_ Air Box Inner Diameter: Approx. 15mm/0.59in_x000D_ Fitment:_x000D_ Replacement for Puch Maxi, for Maxi Sport, for Maxi Luxe, for Newport, for E50, replacement for Magnum, for MK, for MKII, for Cobra, 50cc engines_x000D_ Replacement for Murray_x000D_ Replacement for Sears Free Spirit_x000D_ Replacement for J.C. Penney Pinto_x000D_ Replacement for Kromag PackageList: 1 x_x000D_ _x000D_ Carburetor