Part Number: According to the original factory specifications, motorcycle carburetor reference OE number is Motorcycle Carburetor. Main Function: The carburetor uses the energy of the intake air flow to realize the atomization of gasoline and help the engine run normally. Diemnsions: Intake inner diameter 42mm, intake outer diameter 48mm, air filter inner diameter 59mm, air filter outer diameter 62mm. Good Replacement: The carburetor is the heart of the engine, it is used to replace, repair and upgrade the original carburetor to improve engine fuel performance. Item Type: Carburetor Material: Metal. Intake Inner Diameter: Approx. Intake Outer Diameter: Approx. 48mm/1.89in Air Filter Inner Diameter: Approx. 59mm/2.32in Air Filter Outer Diameter: Approx. 1 x Air Filter. Please double check the part number of your item, matching information is for reference only. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. We will reply your message within 48 hours. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.