Marine propulsion device with arrangement for flushing engine co

Details Marine propulsion device with arrangement for flushing engine co Marine propulsion device with arrangement for flushing engine co

1990-02-14

1991-09-17

Sotelo, Jesus D.

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

B63H 2110

Patent

active

050491016

ABSTRACT:
A marine propulsion device comprising a bracket structure adapted for connection to a boat transom and a propulsion unit connected to the bracket structure for pivotal movement about a generally vertical steering axis and for tilting movement about a generally horizontal tilt axis, which propulsion unit includes an internal combustion engine including an engine block having a cooling jacket, a lower unit supporting the engine block and including a propeller shaft drivingly connected to the engine, a cover removably supported by the propulsion unit in enclosing relation to the engine and including a portion having therein an opening, a conduit extending from the engine block and through the opening and including therein a bore communicating with the cooling jacket and having an outer end with an internal thread, and a plug removably and threadably received in the threaded outer end portion of the conduit.

REFERENCES:
patent: 3002488 (1961-10-01), Guhlin
patent: 3003456 (1961-10-01), Crozier
patent: 3409218 (1968-11-01), Moyer
patent: 3550612 (1970-12-01), Maxon
patent: 4108190 (1978-08-01), Carlson
patent: 4229393 (1988-08-01), Ferguson
patent: 4403972 (1983-09-01), Bland et al.
patent: 4619618 (1986-10-01), Patti
Tohatsu Outboard Motor Owner's Handbook.
Yamaha Outboard Motor Owner's Manual.
Suzuki Outboard Motor Owner's Manual.
FIG. 10-A Transmission Water Pump.

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