Mercury 300 XS OptiMax Manual page 128

BATTERY INFORMATION
Failure to properly secure the battery leads can result in a loss of power to
the Digital Throttle and Shift (DTS) system, leading to serious injury or death
due to loss of boat control. Secure the battery leads to the battery posts with
hex nuts to avoid loose connections.
• Do not use deep‑cycle batteries. Engines must use a marine starting
battery with 1000 MCA, 800 CCA, or 180 Ah.
• When connecting the 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.
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.
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.
WARNING
Nm
13.5
13.5Nm (120 lbs. in.)
DO NOT
USE WING
NUTS
37-895387
122
lb‑in. lb‑ft
120 –
3486
eng