Glixal ATMT1-073-1 GY6 49cc 50cc 80cc 100cc 20mm Big Bore CVK Carburetor with Electric Choke for Chinese Scooter Moped ATV Go Kart Quads Buggy 139QMB 1P39QMB Engine Carbs 1 pc x 20mm Big Bore 139QMB 139QMA Carburetor Intake Side inner Diameter: 20mm, Intake Side Outer Diameter: 28mm Air Filter Mount inner Diameter: 35mm, Air Filter Mount Outer Diameter:39mm Electric Choke (plug style): 2-pin, male Include Accelerator Pump and Durable Fuel Filter