Mercury 225 OptiMax Manual

OUTBOARD INSTALLATION
102
Decal needs to be placed on or near battery box for future service
reference. One 5/16 in. and one 3/8 in. hex nut are 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
(+)(+)
(-)(-)
b
a
c
15496
a - Red sleeve ‑ Positive (+)
b - Black sleeve ‑ Negative (–)
c - Cranking battery

Mercury 225 OptiMax Specifications

General

Engine Type	V6
Horsepower	225 HP
Fuel Induction System	2-stage Direct Fuel Injection (DFI)
Alternator Output	60 amp / 756 watt
Weight	505 lbs / 229 kg
Cylinders	6
Starting	Electric
Gear Ratio	1.75:1
Displacement	3.0L
Shaft Length	20", 25"