Mercury 150 Operation, Maintenance And Installation Manual page 105

OUTBOARD INSTALLATION
c. Place a mark on the shift cable against the cable end guide.
a - Forward position mark
2. Mark the reverse position as follows:
a. Move the remote control handle into reverse and advance the handle
to the full speed position. Ensure that the throttle control lever is
touching the throttle control lever stop screw.
b. Slowly return the handle back to the neutral detent position.
c. Place a mark on the shift cable against the cable end guide.
a - Reverse position mark
3. Mark the center on the shift cable midway between the forward and
reverse marks.
a - Center mark
4. Align the cable end guide against this center mark when installing the
cable to the engine.
5. Position the remote control and outboard into neutral position.
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