Lubricating system for four cycle outboard motor

Internal-combustion engines – Frame construction – Horizontal cylinder

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123196W, F02F 700

Patent

active

056876866

ABSTRACT:
A four-cycle outboard motor embodying an improved lubricating system. The lubricating system drains oil from the cylinder head back to the oil tank, in a manner so as to not add to the length of the engine. In addition, an improved crankcase ventilating system is employed that incorporates a simple baffle arrangement for ensuring that oil thrown by the crankshaft rotation will not pass through the ventilating passage into the cylinder head or escape from the ventilating system.

REFERENCES:
patent: 5163394 (1992-11-01), Koishikawa et al.
patent: 5553586 (1996-09-01), Koishikawa et al.

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