MAINTENANCE
eng
69
• Check outboard for tightness on transom.
• Check propeller blades for damage.
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. 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 plug at first 100 hours or first year. After that,
inspect spark plug every 100 hours or once yearly. Replace
spark plug as needed. See Spark Plug Inspection and
Replacement.
• Drain and replace gearcase lubricant. See Gearcase
Lubrication.
• Check fuel line filter for contaminants. See Fuel System.
• Check corrosion control anode. Check more frequently
when used in saltwater. See Corrosion Control Anode.
• Check and adjust valve clearance, if necessary.
1.
• Lubricate splines on the driveshaft.
1.
• Replace water pump impeller.
1.
• 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.
1. These items should be serviced by an authorized dealer.
Summary of Contents for FourStroke 4
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