... AND GOODS SPECIFICATION. Engine Model :186F Engine Type:4-Stroke, air-cooling, Diesel Bore X Stroke(mm):86×70 Starting System: Recoil/Electric ... power operation,stable and reliable,easy maintenance,it is widely used in the plains,mountains, the hilly region of dry land, ... prevent sudden uncontrolled movement when the engine starts. The clutch is engaged by pulling in the clutch lever and disengaged by ...