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Mercury 18 M User Manual

Mercury 18 M
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TROUBLESHOOTING
99
Starter Motor Will Not Crank The Engine (Electric
Start Models)
POSSIBLE CAUSES
Remote control models Blown 20 amp fuse in the starting
circuit. Refer to Maintenance section.
Outboard is not shifted to neutral position.
Weak battery or battery connections are loose or corroded.
Ignition key switch failure.
Wiring or electrical connection faulty.
Starter motor or starter solenoid failure.
Engine Will Not Start
POSSIBLE CAUSES
Lanyard stop switch not in "RUN" position.
Incorrect starting procedure. Refer to Operation section.
Old or contaminated gasoline.
Engine flooded. Refer to Operation section.
Fuel is not reaching the engine.
a. Fuel tank is empty.
b. Fuel tank vent not open or restricted.
c. Fuel line is disconnected or kinked.
d. Primer bulb not squeezed.
e. Primer bulb check valve is faulty.
f. Fuel filter is obstructed. Refer to Maintenance section.
g. Fuel pump failure.
h. Fuel tank filter obstructed.
Ignition system component failure.
Spark plugs fouled or defective. Refer to Maintenance
section.

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Mercury 18 M Specifications

General IconGeneral
BrandMercury
Model18 M
CategoryOutboard Motor
LanguageEnglish

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