Outboard motor engine
AssigneeSanshin Kogyo Kabushiki Kaisha
InventorYasuhiko Shibata
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Abstract
Two embodiments of balancer arrangements for internal combustion engines particularly adapted for use in outboard motors. In each embodiment, the balancer shaft is journalled within the crankcase chamber of the engine and is driven from the crankcase from a point between its ends. Single and twin balancer shaft arrangements are disclosed.
Claims20
An outboard motor having a powerhead comprised of an internal combustion engine comprised of a cylinder block and a crankcase defining a crankcase chamber, a crankshaft journalled in said crankcase chamber for rotation about a generally vertically extending axis, and a balancer shaft driven by said crankshaft and journalled within said crankcase chamber.
Dependencies are inferred from the claim text.