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4-9
Spark plug(s)
Cleaning/Adjustment/
●●4-11
Replacement
Greasing points Greasing ● 4-10
Gear oil Change ●●4-25
Fuel system Inspection 1 4-13
Fuel filter
Inspection/Replacement
●●4-14
Fuel tank*1 Cleaning ● —
Idling speed
Inspection/Adjustment
●●4-16
Anode(s)
Inspection/Replacement
1 4-26
Outboard motor exterior Inspection ● 4-31
Cooling water passages*2
Flushing ● 4-5
Propeller Inspection ● 4-23
Timing belt*3
Inspection/Replacement
1 4-19
Battery Inspection/Charge ● 1 4-27
Ignition timing Inspection 11—
Bolts/Nuts*4 Retightening 114-30
Engine oil Change ●●4-17
Oil filter Change 1 —
Valve clearance*5
Inspection/Adjustment
1 : every 400 hours (2 years) —
Thermostat Inspection 1 —
Interval
Item
Initial Every
Refer
page
10 hours
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 (7) indicates the check-ups which you may carry out yourself.
The mark (2) indicates work to be carried out by your Yamaha dealer.
*1. If a portable fuel tank is equipped.
*2. The engine should be flushed with fresh water after operaing in salt, turbid or muddy water.
*3. Be sure replace the timing belt after every 1,000 hours or 5 years (whichever comes first) of
operation.
*4. Except for the cylinder head bolts and crankcase journal bolts.
*5. 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.
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