Mercury 200 OptiMax Manual page 110

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 (–)
c - Cranking battery
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
(-) (-)
13.5Nm (120 lbs. in.)
DO NOT
USE WING
NUTS
37-895387
a
(+) (+)
102
3486
c
15496