M12C 3.2cc Mini Horizontal Water-cooled Double-cylinder 4-Stroke Gasoline Engine Model | Upgrade Internal Combustion Engine Kit. 1 × M12C Engine Model. Fuel Type: Gasoline / Aviation kerosene. If ignition and compression are normal but the engine won’t start: Adjust the carburetor oil needle—tighten fully, then loosen 1/4 turn before retrying.
