2-stroke carb Electric choke For 50cc Minarelli engines Model number PZ19J 50cc scooter carburetor designed specifically for 1E40QMB Minarelli 2-stroke scooter, ATV, and dirt bike engines This 2-stroke scooter carburetor is equipped with an electric choke and is often referred to as a PZ19J 30 Day Warranty Description 50cc scooter carburetor designed specifically for 1E40QMB Minarelli 2-stroke scooter, ATV, and dirt bike engines. This 2-stroke scooter carburetor is equipped with an electric choke and is often referred to as a PZ19J. Please compare your original carburetor to the one pictured and described under the Specs tab prior to ordering, but this carburetor may be used on many products from Adly, Aprilia, Buddy 50cc, Vento, and Yamaha. Yamaha Zuma owners note: This is the old style pre-2008 carburetor. It may not work on Zuma scooters made in 2008 and after. Specifications Engine Size(s): 49cc-50cc 2-Stroke Engine Intake Outer Diameter: 23 mm Engine Intake Inner Diameter: 19 mm Air Intake Outer Diameter: 37 mm Choke: Electric auto bystarter Choke Location: Right