Suitable for Yamaha YD28 YD-MJN28 MSX125 30mm high-performance carburetors the modification is intended to replace the original parts.--BIEMMEDUE

Yamaha/MSX125 Compatibility: This carburetor was specifically designed for models with the Yamaha YD28 or YD-MJN28 engine and is particularly compatible with the Honda MSX125 (GROM) and similar mini street motorcycles. Improved Performance Thanks to the 30mm Carburetor: It replaces the original carburetor with a 30mm model, significantly increasing intake airflow and boosting power and torque in the mid- to high-end rev range. Easy Installation: Thanks to the special adapter interface, no modifications to the frame or intake system are required. It directly replaces the original carburetor, simplifying installation. Fully Adjustable System: Equipped with an adjustable needle valve, interchangeable main and pilot jets, and a mixture screw, this carburetor allows for precise tuning based on modifications (such as intake and exhaust systems) for performance optimization. Addressing performance limitations: This carburetor effectively resolves issues such as insufficient fuel supply or sluggish response of the original engine, thus unleashing its full potential. Acceleration and top speed are improved.