Marine propulsion device cover arrangement

摘要

A stern drive unit comprising a metal upper gear housing which is adapted to be mounted on the transom of a boat for pivotal movement relative thereto about a generally vertical steering axis and about a generally horizontal pivot axis, a generally vertical drive shaft rotatably supported by the upper gear housing and adapted to be driven by an engine, a lower gear housing fixed to the upper gear housing for common movement therewith, a propeller shaft which is rotatably supported by the lower gear housing, which is driven by the vertical drive shaft and which is adapted to have mounted thereon a propeller, and plastic covers covering more than a majority of the upper gear housing.