CG125 motorcycle starting disc, the installation hole position, internal tooth size and CG125 engine crampshaft, starting gear completely match, directly replace the original starting disc, without modification; Built-in one-way clutch, unidirectional power transmission when starting, automatically disconnect after starting the engine, avoid reverse drag damage to the starting motor, prolong the life of the starting system; The plate body is stamped with thickened steel plate, and the inner teeth are made of wear-resistant alloy material. It is not easy to wear teeth and deformation of the plate body during long-term high-frequency start-up. Integrated rubber sealing apron, prevent dust, oil leakage, protect the internal clutch structure, reduce the risk of failure.