AFTER EACH USE
• Flush the outboard cooling system with fresh water if operating in salt or
polluted water. Refer to Flushing the Cooling System.
• Wash off all salt deposits and flush out the exhaust outlet of the propeller
and gearcase with fresh water if operating in saltwater.
• If operating in saltwater, inspect the powerhead and powerhead
components for salt buildup. Refer to Cleaning Care
Recommendations.
EVERY 100 HOURS OF USE OR ONCE YEARLY, WHICHEVER
OCCURS FIRST
• Change engine oil and replace the oil filter. The oil should be changed
more often when the engine is operated under adverse conditions, such
as extended trolling. Refer to Engine Oil.
•
Change the gear lubricant. Refer to Gearcase lubricant.
• Check water‑separating fuel filter for contaminants. Replace filter if
required. Refer to Fuel System.
•
Remove the propeller and lubricate the propeller shaft. Refer to Propeller
Replacement.
• Check corrosion control anodes. Check more frequently when used in
saltwater. Refer to Corrosion Control Anodes and Continuity Wire.
•
Drain and replace gearcase lubricant. Refer to Gearcase Lubricant.
•
Inspect battery. Refer to Battery Inspection.
• Saltwater usage: Remove and inspect spark plugs for corrosion and
replace as necessary. Apply Anti‑Seize Compound only onto the threads
of spark plug prior to installation. Refer to Spark Plug Inspection and
Replacement.
Tube Ref
No.
Description Where Used Part No.
81
Anti-Seize
Compound
Spark plug threads 92-898101389
• Add Quickleen to the fuel tank.
Tube Ref
No.
Description Where Used Part No.
Quickleen Engine &
Fuel System
Cleaner
Fuel tank 8M0047931
• Check cowl seals to ensure seals are intact and not damaged.
• Check that the idle relief muffler is in place, if equipped.
• Inspect the thermostat visually for corrosion or a broken spring. Verify the
thermostat closes completely at room temperature—dealer service.
MAINTENANCE
72 eng
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