Mercury 250 Specifications download pdf (Page 154)

TROUBLESHOOTING

144 eng

Starter Motor Will Not Crank the Engine

POSSIBLE CAUSES

• Lanyard stop switch not in "RUN" position.

• Blown 5 amp fuse. Check DTS power harness circuit fuse.

Refer to Maintenance section.

• Outboard is not shifted to neutral position.

• Shift actuator failure. "Gear Shift Diff" error message shown

on System View. Refer to Maintenance section.

• Weak battery or battery connections are loose or corroded.

• Ignition key switch failure.

• Wiring or electrical connection faulty.

• Starter motor solenoid or slave solenoid failure.

Engine Will Not Start

POSSIBLE CAUSES

•

Incorrect starting procedure. Refer to Operation section.

• Old or contaminated gasoline.

• Fuel is not reaching the engine.

• Fuel tank is empty.

• Fuel tank vent not open or restricted.

• Fuel line is disconnected or kinked.

•

Fuel filter is obstructed. Refer to Maintenance section.

• Fuel pump failure.

• Fuel tank filter obstructed.

• Ignition system component failure.

•

Spark plugs fouled or defective. Refer to Maintenance

section.

Engine Starts But Will Not Shift Into Gear

• Shift actuator failure. "Gear Shift Diff" error message shown

on System View. Refer to Maintenance section.

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Mercury 250 Specifications Page 154