4-8
E
EMU01741
MAINTENANCE CHART
Frequency of maintenance operations may be adjusted according to the operating condi-
tions, but the following table gives general guidelines.
The mark (
●
) indicates the check-ups which you may carry out yourself.
The mark (
❍
) indicates work to be carried out by your Yamaha dealer.
*1. When operating in salt water, turbid or muddy water, the engine should be flushed with clean water
after each use.
NOTE:
@
If leaded gasoline is usually used, engine valves and related parts should be inspected after
every 100 hours of operation in addition to the items on the maintenance chart above.
@
Interval
Item
Initial Every
Refer
page
10 hours
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
Spark plug
Cleaning/Adjustment/
Replacement
●●●
4-10
Greasing points Greasing
●
4-9
Gear oil Change
●●
4-19
Fuel system Inspection
●
4-12
Fuel filter Inspection/Replacement
❍❍❍
—
Idling speed Adjustment
●●
4-13
Anode(s) Inspection/Replacement
❍❍
4-20
Outboard motor exterior Inspection
●●
4-21
Cooling water passages
*1
Flushing
●●
4-5
Propeller Inspection
●●
4-17
Carburetor Inspection/Adjustment
❍❍
—
Bolts/nuts Retightening
❍❍
4-20
Engine oil Change
●●
4-14
Valve clearance Inspection/Adjustment
❍❍
—
Thermostat Inspection
❍
—
TCI unit clearance Inspection/Adjustment
❍❍
—
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