Specifications

94
CD49
Troubleshooting
CD623
Starter Motor Will Not Crank Engine, Or Cranks It Very Slowly
Possible Cause Remedy
• Battery switch turned off • Turn switch on.
• Remote control not in neutral position • Position control lever in neutral.
• Open circuit breaker or blown fuse • Check and reset circuit breaker or replace fuse.
• Loose or dirty electrical connections or dam-
aged wiring
• Check all electrical connections and wires (especially
battery cables). Clean and tighten faulty connection.
• Bad battery • Test and replace if bad.
• Battery size - incorrect rating • Replace with properly rated battery.
Engine Will Not Start, Or Is Hard To Start
Possible Cause Remedy
• Improper starting procedure • Read starting procedure.
• Empty fuel tank or fuel shutoff valve closed • Fill tank or open valve.
• Faulty fuel pump • Have pump replaced by an Authorized Mer-
Cruiser Dealer, if fuel is present.
• Throttle not operating properly • Check throttle for freedom of movement.
• Faulty electrical circuit
(Example: Start relay dropping out.)
• Have Authorized MerCruiser Dealer service
electric circuits. (Example: Check start relay
ground circuit.)
• Clogged fuel filters • Replace filters.
• Stale or contaminated fuel • If contaminated, drain tank. Fill with fresh fuel.
• Fuel line or tank vent line kinked or
clogged
• Replace kinked lines or blow out lines with
compressed air to remove obstruction.
• Air in fuel injection system • Purge fuel injection system.
• Glow-plug system inoperative • Test, and repair or replace components.
• Low oil level • Add oil.
• Battery size - incorrect rating • Replace with properly rated battery.