25 Reasons Your Boat's Engine Won't Start | Boating Magazine

25 Reasons Your Boat's Engine Won't Start

The top 25 reasons your engine won't start, and how to fix them.

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

1. Empty Gas Tank

Fix: Calibrating Your Fuel Gauge

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

2. Gas Tank Air Vent Not Open

Fix: Inspect the Boat Before Attempting to Start

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

3. Fuel Lines Kinked or Severely Pinched

Fix: Choose the Right Hoses for Your Boat

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

4. Water or Dirt in Fuel System

Fix: Installing a Fuel/Water Separator

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

5. Clogged Fuel Filter or Screens

Fix: Select the Proper Fuel Filter

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

6. Motor Not Being Choked to Start

Fix: Check the Choke

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

7. Engine Not Primed - Pump Primer System

Fix: Important Fuel System Checks

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

8. Carburetor Adjustments Too Lean (not allowing enough fuel to start engine)

Fix: Servicing a Carburetor

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

9. Timing and Synchronizing Out of Adjustment

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

10. Manual Choke Linkage Bent - Auto Choke Out of Adjustment.

Fix: Check the Choke

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

11. Spark Plugs Improperly Gapped, Dirty or Broken

Fix: Properly Installing Spark Plugs

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

12. Fuel Tank Primer Inoperative (pressurized system)

Fix: Fuel System Service Tips

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

13. Ignition Points Improperly Gapped, Burned or Dirty

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

14. Loose, Broken Wire or Frayed Insulation in Electrical System

Fix: Electrical Repairs Checklist

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

15. Reed Valves Not Seating or Stuck Shut

Fix: Inspect the Boat Before Attempting to Start

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

16. Weak Coil or Condenser

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

17. Cracked Distributor Cap or Rotor or Shorted Rotor

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

18. Loose Fuel Connector

Fix: Check the Fuel Lines

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

19. Poor Engine or Ignition Ground

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

20. Faulty Ignition or Safety Switch

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

22. Low Voltage to Ignition, When Cranking

Fix: Check the Ignition System

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

23. Low Compression

Fix: Check Compression

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

24. Safety Lanyard/Kill Switch Disconnected

Fix: Install & Check the Kill Switch

Top 25 Reasons Your Boat's Engine Won't Start

Top 25 Reasons Your Boat's Engine Won't Start

Boating Magazine

25. Dead Battery

Fix: Choose the Proper Marine Battery

Boats


Gear


How-To