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Mercury 9.9 Bigfoot 4-Stroke - Adjusting Transom Angle; Shallow Water Operation

Mercury 9.9 Bigfoot 4-Stroke
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FEATURES AND CONTROLS
40
Lift the bow out of the water.
Generally increase top speed.
Increase clearance over submerged objects or a shallow bottom.
Increase steering torque or pull to the left at a normal installation height.
In excess can cause boat porpoising (bouncing) or propeller ventilation.
Adjusting Transom Angle
1. Stop the engine. Shift the outboard into forward. Raise the engine to one of the tilt release positions. Change
the preset knob position and lower the outboard to the preset transom angle position.
2. Repeat step number one if the transom angle needs further adjustment.
a
b
ob01178
a - Transom angle settings b - Tilt release position
Shallow Water Operation
There are three (3) shallow water drive positions that enable the outboard to be tilted up to prevent hitting the
bottom.
1. Stop the engine. Shift the outboard into neutral. Tilt the outboard up to one of the shallow water drive
positions. Ensure the water intake is submerged.
2. To release the shallow water drive, stop engine and tilt outboard up to one of the tilt release position. Gently
lower the outboard to the preset transom angle.

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