... system: naturally aspirated, turbocharged, turbocharged and air inter-cooled3) Engine type: water cooling, in-line 4-stroke, Humit cylinder liner, ... radiator (with fan guard and front guard), flywheel, front engine mountings, mechanical governor, cold start aid, water temperature and ... service handbook, user's book, service parts (a set of oil filter and fuel filter), 24V electric system, cooling ...