Cylinder head construction for outboard motor with four-stroke e

Details Cylinder head construction for outboard motor with four-stroke e Cylinder head construction for outboard motor with four-stroke e

1994-10-05

1996-08-13

McMahon, Marguerite

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

123196W, 440 89, F02B 7518

Patent

active

055446310

ABSTRACT:
Disclosed herein is a cylinder head comprising a one-piece casting including a cylinder block mounting surface adapted to mate with a mounting surface on a cylinder block and including vertically spaced first and second recesses adapted to respectively form portions of first and second combustion chambers and respectively including first and second exhaust ports, a bottom surface extending transversely to the cylinder block mounting surface and including an exhaust gas outlet, and an internal exhaust gas passage extending between the exhaust ports and the exhaust gas outlet.

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