Trim Tab Adjustment - Mercury 60 FourStroke EFI Formula Race Manual

FEATURES AND CONTROLS

Trim Tab Adjustment

Propeller steering torque will cause your boat to pull in one
direction. This steering torque is a normal result from your outboard
not trimmed with the propeller shaft parallel to the water surface.
The trim tab can help to compensate for this steering torque in
many cases and can be adjusted within limits to reduce any
unequal steering effort.
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NOTE: Trim tab adjustment will have little effect reducing steering
torque if the outboard is installed with the anti‑ventilation plate
approximately 50 mm (2 in.) or more above the boat bottom.
MODELS WITHOUT POWER TRIM
Operate your boat at normal cruising speed trimmed to desired
position by installing the tilt pin in the desired tilt pin hole. Turn your
boat left and right and note the direction the boat turns more easily.
If adjustment is necessary, loosen trim tab bolt and make small
adjustments at a time. If the boat turns more easily to the left, move
the trailing edge of trim tab to the left. If the boat turns more easily
to the right move the trailing edge of trim tab to the right. Retighten
bolt and retest.
MODELS WITH POWER TRIM
Operate your boat at normal cruising speed, trimmed to desired
position. Turn your boat left and right and note the direction the
boat turns more easily.
If adjustment is necessary, loosen trim tab bolt and make small
adjustments at a time. If the boat turns more easily to the left, move
the trailing edge of trim tab to the left. If the boat turns more easily
to the right move the trailing edge of trim tab to the right. Retighten
bolt and retest.
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