Why does the throttle of Suzuki Ruishuang EFI 150 click?

There is something wrong with the spark plug, and the oil viscosity is too high.

1. There is something wrong with the spark plug: there is something wrong with the spark plug, which causes the engine to shake, affects the oil pump, and causes the oil to run badly. The valve stem cannot be lubricated, and dry grinding will cause clicking.

2. The oil viscosity is too high: If the oil viscosity is too high, the throttle will click and the oil needs to be replaced.