Trim Tab Adjustment - Honda Outboard Motor BFl15A Owner's Manual

6. OPERATION
Trim Tab Adjustment
The trim tab is provided to adjust for
"torque steer" which is a reaction of
the propeller rotation or propeller
torque. If during a high speed turn, an
unequal amount of effort is required to
turn the boat right or left, adjust the
trim tab so that an equal amount of
effort is required.
Distribute the load evenly in the boat,
and
run
the
boat in a straight course at
full throttle. Slightly turn the steering
wheel for both right and left turns to
determine the amount of effort required.
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TIGHTENING BOLT
If less effort is required to make left
tUR1s:
Loosen the trim tab tightening bolt,
and turn the rear end of the trim tab
toward the left Tighten the bolt
securely.
If less effort is required to make right
turns:
Loosen the trim tab tightening bolt,
and turn the rear end of the trim tab
toward the right. 'Iighten the bolt
securely.
Make small adjustments at a time and
retest. Incorrect trim tab adjustment
can cause adverse steering.