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Mercury OptiMax 250 Service Manual

Mercury OptiMax 250
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INSTALLATION
Page 1D-30 90-888438 JUNE 2002
Battery Connection
NOTE: Engine electrical system is negative (–) ground.
1. Connect positive (+) battery cable (usually red) to slave solenoid using protective boot
(provided).
2. Connect negative (–) battery cable (usually black) to engine ground under starter bracket.
3. Connect battery cables to battery. Make sure that all battery terminal connections are
tight, then spray terminals with a battery connection sealant to help retard corrosion.
4. Attach remote control harness plug to engine harness plug. Reinstall harness plug in
clip.
WARNING
U.S. Coast Guard regulation #33 CFR 183.445 requires that the “positive” battery
cable connection at the starter solenoid terminal be protected by either a boot (“b”
shown following), or protective shield.
59411
a
b
d
e
c
a-Positive Battery Cable Attaching Location
b-Boot Protector for Positive Battery Cable
c-Negative Battery Cable Attaching Location (Engine Ground)
d-Engine Harness Plug
e-Clip

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Mercury OptiMax 250 Specifications

General IconGeneral
Engine TypeV6
Horsepower250 hp
Gear Ratio1.75:1
Starting SystemElectric Start
Alternator60 Amp
Shaft Length20", 25"

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