4-9
E
MAINTENANCE CHART
Frequency of maintenance operations may be adjusted according to the operating con-
ditions, but the following table gives general guidelines.
The mark (●) indicates the check-ups which you may carry out yourself.
The mark (
1
) indicates work to be carried out by your Yamaha dealer.
Spark plug(s)
Cleaning/Adjustment/
● ● ● 4-10
Replacement
Greasing points Greasing ● 4-16
Gear oil Change ● ● 4-22
Fuel system Inspection ● 4-12
Fuel filter(s)
Inspection/
● ● ● 4-13
Replacement
Fuel tank*1 Cleaning ● 4-23
Idling speed
Inspection/
● 4-14
Adjustment
Anode(s)
Inspection/
1 1 4-24
Replacement
Outboard motor
Inspection ● ● 4-25
exterior
Cooling water
Flushing ● ● 4-6
passages *2
Propeller/Cotter pin/ Inspection/
● ● 4-19
Shear pin Replacement
Carburetor setting
Inspection/
1 1 —
Adjustment
Ignition timing
Inspection/
1 1 —
Adjustment
Bolts/Nuts Retightening 1 1 4-25
Interval
Item
Initial Every
Refer
page
10 hours
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
*1 .......If a portable fuel tank is equipped
*2 .......When operating in salt water, turbid or muddy water, the engine should be flushed with
clean water after each use.
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