AlveyTech Carburetor for 40cc 4-Stroke ATV, Dirt Bike, & Mini Bikes - 12 mm Engine Intake Carb with Manual choke, Primer Bulb, and Adjustable Screws, for Some Gas-Powered Garden and Lawn Engines

Whether you are looking to replace a damaged or missing carburetor, or you are looking for a "greener" more efficient fuel system, then look no further than this carburetor for 40cc ATVs, dirt bikes, and mini bikes to provide the performance you want as well as dependability. Specifications Engine Size(s): 40cc Engine Intake Inner Diameter: 12 mm Air Intake Inner Diameter: 15 mm Overall Depth: 3 cm Overall Width: 7 cm Overall Height: 9 cm Center to Center Mounting Hole Distance: 31 mm Mounting Holes Diameter: 6 mm Choke: Manual Primer Bulb: Yes Fuel Line Inner Diameter: 3 mm Fuel Line Outer Diameter: 4 mm Drain: No Fuel Shutoff: No

• For 40cc 4-stroke engines. Will NOT fit 2-stroke engines
• Used on dirt bikes, ATVs, mini bikes, and trail bikes. Also used on some gas powered 4-stroke garden and lawn engines
• Engine intake inner diameter: 12 mm
• Air intake inner diameter: 15 mm
• Note: This carburetor for 40cc 4-stroke engines is visually similar to the 11 mm intake carburetors that are made to be used on 2-stroke engines, however, they are not interchangeable