Maintenance
Maintenance chart
TIP:
• Refer to the sections in this chapter for explanations of each owner-specific action.
• The maintenance cycle on these charts assume usage of 100 hours per year and
regular flushing of the cooling water passages. Maintenance frequency should be adjusted when
operating the engine under adverse conditions such as extended trolling.
• Disassembly or repairs may be necessary depending on the outcome of maintenance
checks.
• Expendable or consumable parts and lubricants will lose their effectiveness over time
and through normal usage regardless of the warranty period.
• When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine
should be flushed with clean water after each use.
51
(1 year)
Anode (external)
Inspection or replace-
ment as necessary
O
Anode (thermostat
cover)
Inspection or replace-
ment as necessary
Cooling water leakage
Inspection or replace-
ment as necessary
Cowling lock lever
Inspection
Engine starting condi-
tion
/
noise
Inspection
Engine idle
Inspection
Engine oil
Replacement
Engine oil filter
(crank-
case)
Inspection, cleaning or
replacement as neces-
sary
Fuel filter (disposal
type)
Replacement
Fuel filter (inside built-
in fuel tank)
Inspection and clean-
ing as necessary
Fuel line
Inspection
Fuel line
Inspection or replace-
ment as necessary
Fuel pump
Inspection or replace-
ment as necessary
Summary of Contents for MOTOR99
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