Regular maintenance of your outboard motor

Regular maintenance of your outboard motor is crucial to ensure that it operates efficiently and reliably. Neglecting the maintenance of your outboard motor can lead to costly repairs and even accidents while out on the water. 

The first item on the checklist is to inspect the fuel system. Check for any leaks or damage to the fuel lines and connections. Ensure that the fuel tank is clean and free of debris. Also, inspect the fuel filter and replace it if necessary.

The second item on the checklist is to check the oil level and quality. Make sure that the oil level is within the recommended range and that the oil is clean and not contaminated. Change the oil and oil filter at least once a year or according to the manufacturer's recommendation.

The third item on the checklist is to inspect the cooling system. Check the water pump impeller for wear and tear and replace it if necessary. Also, check the thermostat and the temperature sensor for any damage or corrosion.

The fourth item on the checklist is to check the propeller. Inspect the blades for any damage, dents, or cracks. If the propeller is damaged, it can cause excessive vibration, reduce performance, and damage the engine.

The fifth and final item on the checklist is to inspect the electrical system. Check the battery, wiring, and spark plugs for any damage or corrosion. Make sure that the battery is fully charged, and the terminals are clean and tight.

In conclusion, regular maintenance of your outboard motor is essential for optimal performance and longevity. Follow this must-have outboard motor maintenance checklist to keep your motor running smoothly and reliably, and to ensure a safe and enjoyable boating experience. Remember, preventative maintenance is always less expensive than repairs or replacement.


General Guidance Below. Always consult your user manual for model-specific instructions. Every Outing Every 20 hrs. Every 50 hrs. Every 100 hrs. Before Layup Video
Engine and Drive
Check oil/fill
Check transom mounting bolts/jack plate bolts (if equipped)  
Check propeller and skeg for damage
Check cowl air intakes for blockages  
Check engine operating temperature  
Check oil pressure  
Check drive/gearcase for water/particulate/burnt lubricant & refill    
Check engine for proper operating RPM @ WOT    
Check fuel lines for alcohol and UV degradation      
Replace fuel/water separating filter      
Check power trim/tilt fluid, refill if necessary      
Check engine mounts and swivel/steering bracket for excessive play      
Lubricate all grease points        
Coat electrical w/silicone protectant spray        
Have linkage/synchronization checked        
Retorque all accessible bolts/fasteners        
Touch up paint        
Check spark plugs and replace as necessary          
Change and check condition of gearcase lube and powerhead oil        

Replace water-pump impeller

Check outdrive bellows for cracks and tears (look especially in the folds).




Treat fuel with storage conditioner, fog engine, drain/refill oil, replace oil/fuel filters          
Steering System
Check for excessive play/movement  
Check fluid level/check for leaks/bleed system (hydraulic)      
Check engine free-play and adjust      
Lubricate all grease points      
Check for kinks (hydraulic and mechanical) and/or binding (mechanical)