Mercury 250 Specifications download pdf (Page 120)

TROUBLESHOOTING

110 eng

Starter Motor Will Not Crank the Engine

POSSIBLE CAUSES

• Blown 20‑amp fuse in the starting circuit. Refer to

Maintenance.

• 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 solenoid or slave solenoid failure.

Engine Will Not Start

POSSIBLE CAUSES

• Lanyard stop switch not in "RUN" position.

• Battery not fully charged.

•

Incorrect starting procedure. Refer to Operation section.

• Old or contaminated fuel.

• Fuel is not reaching the engine.

• Fuel tank is empty.

• Fuel tank vent not open or restricted.

• Fuel line is disconnected or kinked.

• Primer bulb not squeezed.

• Primer bulb check valve is faulty.

•

Fuel filter is obstructed. Refer to Maintenance section.

• Fuel pump failure.

• Fuel tank filter obstructed.

•

Open 20‑amp fuse. Check fuses, refer to Maintenance

section.

• Threaded connection of an air hose is loose.

• Ignition system component failure.

•

Spark plugs fouled or defective. Refer to Maintenance

section.

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 162 163

No comments

Mercury 250 Specifications Page 120