2001 Mercury Mariner 50-60HP Factory Service Manual, Page 68Get this manual

2001 Mercury Mariner 50-60HP Factory Service Manual, Page 68

OUTBOARD MOTOR INSTALLATION
Trim Tab Adjustment
The trim tab can be adjusted within limits to help compensate for steering torqueAdjust trim tab as follows: 1If boat tends to pull to the right, move the rear edge of the trim tab to the right2If boat tends to pull to the left, move the rear edge of the trim tab to the left