Dellorto SI 24/24 D carburetor for Vespa P200E, PX200, and Rally 200 2-stroke scooters. Can also be used when a larger carburetor is necessary (such as when a big bore kit has been installed) on Vespa P125E, P125X, PX125, and LML Star Deluxe 125 models. For use with pre-mix gasoline (petroil lubrication.)