Mercury 40 FourStroke Maintenance And Installation Manual page 109

Dual Outboards
Connect a common ground cable (wire size same as engine battery cables)
between negative (–) terminals on starting batteries.
b
c
a - Red sleeve ‑ Positive (+)
b - Black sleeve ‑ Negative (–)
c - Ground cable
d - Cranking battery
SHIFT CABLE INSTALLATION
Install the cables into the remote control following the instructions provided with
the remote control.
1. Locate the center point of the slack or lost motion that exists in the shift
cable as follows:
a. Move the remote control handle from neutral into forward and advance
the handle to full speed position. Slowly return the handle back to
neutral. Place a mark ("a") on the cable next to the cable end guide.
b. Move the remote control handle from neutral into reverse and advance
the handle to full speed position. Slowly return the handle back to
neutral. Place a mark ("b") on the cable next to the cable end guide.
eng
INSTALLATION
b
a
(-)
a
(-)
d
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d
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