Maintenance
79
nance will often pay off many times over in in-
creased engine life and greater owner
satisfaction. Consult your Yamaha dealer for
additional maintenance recommendations.
EMU34446
Maintenance chart 1
● 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 op-
erating 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.
The “ ” symbol indicates the check-ups which you may carry out yourself.
The “ ” symbol indicates work to be carried out by your Yamaha dealer.
Item Actions
Initial Every
20 hours
(3 months)
100 hours
(1 year)
300 hours
(3 years)
500 hours
(5 years)
Anode (external)
Inspection or replace-
ment as necessary
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
speed/noise
Inspection
Engine oil Replacement
Engine oil filter (crank-
case) (F4, F6)
Inspection, cleaning or
replacement as neces-
sary
Fuel filter (disposal
type) (F4, F6)
Replacement
Fuel filter (inside built-
in fuel tank)
Inspection and clean-
ing as necessary
Fuel line Inspection
U6BV37E0.book Page 79 Wednesday, May 1, 2013 8:56 AM
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