AFTER EACH USE
• Flush out the outboard cooling system if operating in salt or polluted
water. See 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.
EVERY 100 HOURS OF USE OR ONCE YEARLY, WHICHEVER
OCCURS FIRST
• Lubricate all lubrication points. Lubricate more frequently when used in
saltwater. See Lubrication Points.
• 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. See Changing Engine Oil.
• Replace spark plugs at first 100 hours or first year. After that, inspect
spark plugs every 100 hours or once yearly. Replace spark plugs as
needed. See Spark Plug Inspection and Replacement.
• Inspect thermostat visually for corrosion and broken spring. Make sure
thermostat closes completely at room temperature.
1.
•
Check fuel line filter for contaminants. See Fuel System.
• Check corrosion control anodes. Check more frequently when used in
saltwater. See Corrosion Control Anode.
•
Check and adjust valve clearance, if necessary.
1.
•
Drain and replace gearcase lubricant. See Gearcase Lubrication.
•
Check power tilt fluid. See Checking Power Tilt Fluid.
•
Lubricate splines on the driveshaft.
1.
•
Remote control models ‑ Check control cable adjustments.
1.
•
Inspect timing belt. See Timing Belt Inspection.
• Check tightness of bolts, nuts, and other fasteners.
• Check cowl seals to make sure seals are intact and not damaged.
• Check internal cowl sound reduction foam (if equipped) to make sure
foam is intact and not damaged.
• Check that the intake silencer (if equipped) is in place.
• Check that the idle relief muffler (if equipped) is in place.
• Check for loose hose clamps and rubber boots (if equipped) on the air
intake assembly.
EVERY 300 HOURS OF USE OR THREE YEARS
• Replace water pump impeller (more often if overheating occurs or
reduced water pressure is noted).
1.
1. These items should be serviced by an authorized dealer.
MAINTENANCE
eng 79
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