There is no clutch, gearing, oil changes, smog check, pistons, rings, valves, crankshaft, flywheel, rods, wrist pins, etc., etc.

• 没有离合器，传动装置，机油变化，尾气检查，活塞，活塞环，阀门，曲轴，飞轮，连杆，肘节销，等等。