Rear drive sprocket for Yamaha Jog scooters. The rear sprocket is mounted on the wheel and transfers rotation from the chain to the rear wheel. The number of teeth determines the gear ratio: more teeth give quicker acceleration, fewer give a higher top speed.
Signs of wear: the teeth become sharp and hooked, the chain jumps and stretches quickly. The sprocket and chain are replaced together, and before buying you check the chain pitch, the number of teeth and the wheel type. According to the name: 428 chain, 39 teeth.
Manufacturer: YOG. Country of origin: China. If you are unsure about compatibility, call us and we will advise you by your model.
