OUTBOARD MOTOR INSTALLATION
Page 1D-16 90-855347R1 JANUARY 1999
NOTE: It may take a few minutes for the pump to complete the priming process.
Purging Air From the Engine Oil Tank
1. Loosen the fill cap on the engine oil tank.
2. Start the engine. Run the engine until the all the air has been vented out of the tank
and oil starts to flow out of the tank. Re-tighten fill cap.
a
a-Fill Cap
Trim “In” Angle Adjustment
Some outboard boats, particularly some bass boats, are built with a greater than normal
transom angle which will allow the outboard to be trimmed further “in” or “under”. This
greater trim “under” capability is desirable to improve acceleration, reduce the angle and
time spend in a bow high boat attitude during planing off, and in some cases, may be nec-
essary to plane off a boat with aft live wells, given the variety of available propellers and
height range of engine installations.
However, once on plane, the engine should be trimmed to a more intermediate position
to a avoid a bow-down planing condition called “plowing”. Plowing can cause “bow steer-
ing” or “over steering” and inefficiently consumes horsepower. In this condition, if attempt-
ing a turn or encountering a diagonal, moderate wake, a more abrupt turn than intended
may result.
In rare circumstances, the owner may decide to limit the trim under. This can be accom-
plished by purchasing a stainless steel tilt pin (P/N 17-49930A1) and inserting it through
whatever pin hole is desired. The non-stainless steel shipping bolt should not be used in
this application other than on a temporary basis.
WARNING
Avoid possible serious injury or death. Adjust outboard to an intermediate trim
position as soon as boat is on plane to avoid possible ejection due to boat spin-
out. Do not attempt to turn boat when engine is trimmed extremely under or in.
a
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