This starter drive is designed as a direct replacement 55440126000.It is compatible with select motorcycle models including 250, 300, XC, XC-W, EXC, TX300I, TX300, TE250, TE250I, TE300, and TE300I.Engineered for in off-road and motocross environments, it helps maintain starting performance.The component undergoes testing to consistent engagement and smooth , supporting efficient engine cranking and reducing stress on associated parts.