Mercury 75 OptiMax User Manual

OUTBOARD INSTALLATION
eng 111
Description Nm lb‑in. lb‑ft
Hex nuts 13.5 120
IMPORTANT: Battery cable size and length is critical. Refer to
engine installation manual for size requirements.
The decal needs to be placed on or near the battery box for
future service reference. One 5/16 in. and one 3/8 in. hex nut is
supplied per battery for wing nut replacement. Metric hex nuts
are not supplied.
NOTICE - DTS & OptiMax Engines
DO NOT USE DEEP CYCLE BATTERIES!
DTS (Digital Throttle and Shift) applications and
OptiMax engines must use a marine starting
battery with 1000 MCA, 800 CCA, or 180 Ah. rating.
IMPORTANT:
Battery cable size and length is critical. Refer to
engine installation manual for size requirements.
DO NOT
USE WING
NUTS
37-895387
3486
13.5Nm (120 lbs. in.)
Place decal on or near battery box for future service
reference. 5/16” and 3/8” hex nuts supplied for wing
nut replacement. Metric hex nuts not supplied.
BATTERY CABLE CONNECTIONS
Single Outboard
a - Red sleeve ‑
Positive (+)
b - Black sleeve ‑
Negative (–)
c - Cranking battery
(+)(+)
(-)(-)
b
a
c
15496

Mercury 75 OptiMax Specifications

General

Engine Type	2-stroke
Displacement	1526 cc
Horsepower	75 hp
Alternator	60 amp / 756 watt
Cylinders	3
Starting	Electric
Full Throttle RPM Range	5000-5750 rpm
Steering	Remote
Fuel Induction System	2-stage direct fuel injection
Shaft Length	20"
Weight	170 kg