Single Outboard - Mercury 135 OptiMax Manual

• Do not use deep cycle batteries. Engines must use a marine starting battery with 1000 MCA, 800
CCA or 180 Ah.
• When connecting engine battery, hex nuts must be used to secure battery leads to battery posts.
Torque nuts to specification.
Description
Hex nuts
IMPORTANT: Battery cable size and length is critical. Refer to engine installation manual for size
requirements.
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.
BATTERY CABLE CONNECTIONS

Single Outboard

a - Red sleeve - positive (+)
b - Black sleeve - negative (–)
OUTBOARD INSTALLATION
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.
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.
b
(-) (-)
Nm lb. in.
13.5 120
13.5Nm (120 lbs. in.)
DO NOT
USE WING
NUTS.
37-895387
a
(+) (+)
c - Cranking battery
66
lb. ft.
3486
c
15496