Tube Ref
No.
Description Where Used Part No.
81
Anti-Seize
Compound
Spark plug threads 92-898101385
• Check wiring and connectors.
• 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 ensure the
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
IMPORTANT: Engine oil must be drained before removing gearcase to avoid
oil spillage. Perform scheduled water pump replacement in combination with an
engine oil change.
• Replace water pump impeller (more often if overheating occurs or
reduced water pressure is noted). This item should be serviced by an
authorized dealer.
•
Check power trim fluid. Refer to Checking Power Trim Fluid.
• Replace high‑pressure in‑line fuel filter. This item should be serviced by
an authorized dealer.
• Replace spark plugs at first 300 hours or three years. After that, inspect
spark plugs every 300 hours or three years. Replace spark plugs as
needed. Refer to Spark Plug Inspection and Replacement.
• Replace the front engine mounts (350 only). This item should be serviced
by an authorized dealer.
•
Replace accessory drive belt. Refer to Accessory Drive Belt Inspection.
BEFORE PERIODS OF STORAGE
•
Refer to storage procedure. Refer to Storage section.
Flushing the Cooling System
Flush the internal water passages of the outboard with fresh water after each
use in salt, polluted, or muddy water. This will help prevent a buildup of
deposits from clogging the internal water passages.
NOTE: The outboard can be tilted or in the vertical operating position during
flushing.
1. With the engine turned off, place the outboard in either the operating
position (vertical) or in a tilted position.
MAINTENANCE
86 eng
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