1. The problem of oil leakage of Haojueyu drilling pedal motorcycle is that the oil drain screw is slippery, which means that the screw is not tightened, so it will leak oil.
2. Haojue drilling scooter adopts Japanese intelligent EFI system, PVD wear-resistant piston ring, switching regulator rectifier, high-efficiency CVT and patented sand prevention ventilation technology, which greatly improves its performance.