Mercury 15 EFI FourStroke, Service Manual

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6. Verify the detent spring position:
a. Verify no engagement or clutch drag when the horizontal shift shaft is rotated to neutral (detent spring fully seated in
the neutral detent).
b. Verify forward gear engagement when the horizontal shift shaft is rotated to forward (detent spring fully seated in the
forward detent).
c. Adjust the detent spring position as required.
7. Determine the center of the lost motion of the shift cable:
a. Shift the tiller handle to neutral.
b. Push the end of the shift cable to full compression. Mark the cable (a) at the end of the jacket.
c. Pull the end of the shift cable to full extension. Mark the cable (b) at the end of the jacket.
d. Determine and mark the center of the lost motion (c).
Motion exaggerated for clarity;
typical motion ~ 2.5 mm (0.1 in.)
a - Push cable to full compression
and mark
b - Pull cable to full extension and
mark
c - Determine midpoint and mark;
use this mark to center the cable
during installation
8. Connect the tiller shift cable:
a. Rotate the horizontal shift shaft to shift the gearcase to neutral.
b. Install the shift cable’s ferrule into the shift bracket.
c. Ensure that the shift cable is extended to the center of the lost motion (position c, shown preceding).
d. Adjust the cable rod end to line up with the shift lever in the neutral position.
e. Tighten the jam nut on the shift cable.
f.
Slide the rod end onto the shift lever, and install the washer and retaining clip.
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9. Return the neutral interlock cable to its installed position. Verify proper alignment when shifting into neutral from both
forward and reverse. Adjust accordingly.
10. With the engine off, verify the installation:
a. Shift the tiller into forward, moving the shift handle fully forward to hard stop, and release the handle.
• Verify clutch/gear engagement.
• Verify the detent spring is fully seated in the horizontal shift shaft cam notch.
b. Shift the tiller into neutral.
• Verify no engagement or clutch drag in neutral.
• Verify the detent is fully seated in the horizontal shift shaft cam notch.
a
b
c
c
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Tiller Handle
Page 7B-20 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017