Mercury 40 4-Stroke User Manual

OUTBOARD INSTALLATION
78
Dual Outboards
Connect a common ground cable (wire size same as engine battery cables) between negative (–)
terminals on starting batteries.
(-)
(-)
a
a
b
b
c
d
d
15497
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 the 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 the neutral. Place a mark ("b") on the cable
next to the cable end guide.

Mercury 40 4-Stroke Specifications

General

Engine Type	4-Stroke
Horsepower	40 hp
Cylinders	3
Fuel Induction System	Electronic Fuel Injection (EFI)
Starting	Electric
Displacement	747 cc
Shaft Length	20 in
Dry Weight	216 lbs
Steering	Remote
Alternator Amp	18 amp / 226 watt
Full Throttle RPM	5500 - 6000 RPM