#LOWER UNIT INBOARD MOTOR MANUAL#
If the electric motor required to move the pistons which raise or lower the engine is malfunctioning, every outboard motor is equipped with a manual piston release which will allow the operator to drop the motor down to its lowest setting. This helps when traveling through shallow waters where there may be debris that could potentially damage the motor as well as the propeller. In order to eliminate the chances of hitting bottom with an outboard motor, the motor can be tilted up to an elevated position either electronically or manually. A Mercury Marine 50 hp outboard engine, circa 1980s 1979 Evinrude 70 hp outboard, cowling and air silencer removed, exposing its shift/ throttle/ spark advance linkages, flywheel, and three carburetors Unlike inboard motors, outboard motors can be easily removed for storage or repairs.īolinder's two-cylinder Trim outboard engine. The skeg also acts as a rudder when the engine is not running. As well as providing propulsion, outboards provide steering control, as they are designed to pivot over their mountings and thus control the direction of thrust. They are the most common motorised method of propelling small watercraft. JSTOR ( April 2012) ( Learn how and when to remove this template message)Īn outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources.
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