GEAR HOUSING
90-826883R2 JUNE 1998 Page 6A-41
Trim Tab Adjustment and Replacement
IMPORTANT: The trim tab made of a special alloy to aid in protecting the drive shaft
housing and gear housing from galvanic corrosion (corrosion and pitting of metal
surfaces). Do not paint or place protective coating on the trim tab, or trim tab corro-
sion protection function will be lost.
Replace trim tab if 50% (or more) corroded. Mark location of old trim tab onanti-ventilation
place before removal; install new trim tab in same location.
1. Check trim tab position.
2. Operate boat at the speed at which it would normally be operated.
3. If the boat pulls to the right (starboard), the trailing edge of trim tab must be moved to
the right. If the boat pulls to the left (port). the trailing edge of trim tab must be moved
to the left.
4. If necessary, adjust trim tab.
5. Shift engine control into NEUTRAL and turn ignition key to “OFF” position.
NOTE: Loosen trim tab bolt sufficiently to allow trim tab to disengage from locking ridges
in gear case before attempting to move tab. DO NOT strike trim tab with a hard object to
make adjustments.
6. Repeat steps 2-4 as required to reduce steering torque.
56813
a
b
a-Trim Tab
b-Retaining Bolt
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