4-7
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.
Interval Initial Every
Refer
10 hours
50 hours 100 hours 200 hours
Item (3 months) (6 months) (1 year)
Page
Spark plug
Cleaning/Adjustment/Replacement
777 4-8
Greasing points Greasing 7 4-14
Gear oil Change 774-17
Fuel system Inspection 7 4-10
Fuel filter Cleaning/Inspection 777 4-11
Fuel tank *1 Cleaning 7 4-18
Idling speed Adjustment 7 4-12
Anode Inspection/Replacement 22 4-19
Outboard motor exterior Inspection 77 4-20
Cooling water passages
Cleaning 77 4-4
Propeller and cotter pin Inspection/Replacement 77 4-15
Carburetor setting Inspection/Adjustment 22–
Ignition timing Inspection/Adjustment 22–
Bolts and nuts Retightening 224-20
*1....................................................................If equipped
NOTE:
Cooling water passages;
When operating in salt water, turbid or muddy water, the engine should be flushed
with clean water after each use.
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