Outboard engine structure

摘要

The invention relates to an engine comprising a structural association of cylinders (24) in a cylinder block (20), a cylinder head (21), exhaust passages (47), intake passages (28), a crankshaft (9), injection nozzles (35), surge tanks (31), oil pump means (87), a power transmission belt (54) and/or other devices to arrange for a compact engine preferable to be used with an outboard motor.