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Mercury 225 User Manual

Mercury 225
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FEATURES AND CONTROLS
29
ob01015
SHALLOW WATER OPERATION
When operating your boat in shallow water, you can tilt the outboard beyond the maximum trim range to prevent
hitting bottom.
1. Reduce engine speed below 2000 RPM.
2. Tilt outboard up. Make sure all the water intake holes stay submerged at all times.
3. Operate the engine at slow speed only. If engine speed exceeds 2000 RPM, the outboard will automatically
return down to the maximum trim range.
Trim Tab Adjustment
Propeller steering torque will cause the boat to pull in one direction. This steering torque is a normal result from
the outboard not trimmed so the propeller shaft is parallel to the water surface. The trim tab can help compensate
for this steering torque in many cases and can be adjusted within limits to reduce any unequal steering effort.
ob01016
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 inches) or more above the boat bottom.
Operate your boat at normal cruising speed, trimmed to the 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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Mercury 225 Specifications

General IconGeneral
Fuel Induction SystemElectronic Fuel Injection (EFI)
Horsepower225 HP
SteeringHydraulic Steering
Shaft Length20"
StartingElectric Start
CylindersV6

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