Four cycle outboard motor

Details Four cycle outboard motor Four cycle outboard motor

1996-07-31

1998-07-14

Kamen, Noah P.

Internal-combustion engines

Frame construction

Horizontal cylinder

123 4133, 123196AB, 123196W, 440 88, 440900, F02B 7522, B63H 2138

Patent

active

057788472

ABSTRACT:
An outboard motor having a high-performance V-type twin overhead cam four-cycle internal combustion engine. The oil reservoir for the engine is disposed in a driveshaft housing below the engine and an oil pump is driven off the lower end of the engine crankshaft for circulating the oil from the oil tank to the engine. The oil supply system for the engine includes a vertically extending main gallery and a drain passage which extend in parallel side-by-side relationship and which are disposed over the oil tank for ease of oil return. The exhaust and cooling system for the engine is configured so as to minimize heat transfer between the exhaust system and the lubricating system and to maintain a compact assembly.

REFERENCES:
patent: 5487688 (1996-01-01), Sumigawa
patent: 5617821 (1997-04-01), Tsunoda et al.

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