Maintenance
36
EMU28521
Maintenance chart
Frequency of maintenance operations may be adjusted according to the operating condi-
tions, but the following table gives general guidelines. Refer to the sections in this chapter for
explanations of each owner-specific action.
The “” symbol indicates the check-ups which you may carry out yourself.
The “” symbol indicates work to be carried out by your Yamaha dealer.
NOTE:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
Item Actions
Initial Every
10 hours
(1 month)
50 hours
(3
months)
100
hours (6
months)
200
hours (1
year)
Anode(s) (external)
Inspection / replace-
ment
Anode(s) (internal)
Inspection / replace-
ment
Cooling water pas-
sages
Cleaning
Cowling clamp Inspection
Fuel filter (disposable)
Inspection / replace-
ment
Fuel system Inspection
Fuel tank (Yamaha por-
table tank)
Inspection / cleaning
Gear oil Change
Greasing points Greasing
Idling speed (carbure-
tor models)
Inspection / adjustment
Propeller and cotter pin
Inspection / replace-
ment
Shift link / shift cable Inspection / adjustment
Thermostat Inspection
Throttle link / throttle
cable / throttle pick-up
timing
Inspection / adjustment
Water pump Inspection
Spark plug(s)
Cleaning / adjustment /
replacement
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