Before Each Use; After Each Use; Every 100 Hours Of Use Or Once Yearly, Whichever Occurs First; Inspection And Maintenance Schedule - Mercury 5 SERIES Service Manual

Inspection and Maintenance Schedule

Before Each Use

1. Check engine oil level.
2. Visually inspect the fuel system for deterioration or leaks.
3. Check outboard for tightness on transom.
4. Check propeller blades for damage.

After Each Use

1. Flush out the outboard cooling system if operating in salt or polluted water.
2. Wash off all salt deposits and flush out the exhaust outlet of the propeller and gear case
with fresh water if operating in salt water.

Every 100 Hours of Use or Once Yearly, Whichever Occurs First

1. Lubricate all lubrication points. Lubricate more frequently when used in salt water.
2. Change engine oil. The oil should be changed more often when the engine is operated
under adverse conditions such as extended trolling.
3. Inspect and clean spark plugs.
4. Check fuel line filter for contaminants.
5. Check corrosion control anode. Check more frequently when used in salt water.
6. Drain and replace gear case lubricant.
7. Lubricate splines on the drive shaft.
8. Check tightness of bolts, nuts, and other fasteners.
9. Replace water pump impeller.
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These items should be serviced by an authorized dealer.
90-857138R1 MAY 2000
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MAINTENANCE
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