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4-10
E
Spark plug
Cleaning/Adjustment/
● ● ● 4-12
Replacement
Greasing points Greasing ● 4-11
Gear oil Change ● ● 4-24
Fuel system Inspection ● 4-14
Fuel filter
Inspection/Replacement
● ● ● 4-15
Fuel tank *1 Cleaning ● —
Idling speed Adjustment ● ● 4-16
Anode
Inspection/Replacement
1 1 4-25
Outboard motor exterior Inspection ● ● 4-30
Cooling water passages *2
Cleaning ● ● 4-5, 4-29
Propeller Inspection ● ● 4-22
Timing belt
Inspection/Replacement
1 4-19
Battery Inspection
● (every
4-26
month)
Power trim/tilt Inspection ● ● ● 4-21
Ignition timing Inspection/Adjustment 1 1 —
Bolts/Nuts Retightening 1 1 4-29
Engine oil Change ● ● 4-17
Oil filter Change 1 —
Valve clearance Inspection/Adjustment 1 1 —
Thermostat Inspection 1 —
Interval
Item
Initial Every
Refer
page
10 hours
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
EMU00361*
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.
NOTE:
If leaded gasoline is usually used, engine valves and related parts should be inspected
after every 300 hours of operation in addition to the items on the maintenance chart
above.
*1. If a portable fuel tank is included with the engine.
*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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