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4-9
E
EMU00362*
MAINTENANCE CHART
Frequency of maintenance operations may be adjusted according to the operating con-
ditions, but the following table gives general guidelines.
The mark (6) 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/
● ● ● 4-11
Replacement
Greasing points Greasing ● 4-10
Gear oil Change ● ● 4-22
Fuel system Inspection ● ● ● 4-13
Fuel filter (Water separator)
Cleaning/Inspection ● ● ● 4-14
Fuel tank Cleaning ● —
High pressure fuel pump
Inspection
1
4-17
drive belt*
2
High pressure fuel pump oil
*
3
Inspection
1
—
Idling speed Inspection/Adjustment ● ● 4-15
Anode(s)
Inspection/Replacement
●/
1
●/
1
4-23
Outboard motor exterior Inspection ● ● ● 4-29
Cooling water passage*
1
Cleaning ● ● 4-28
Propeller/Cotter pin
Inspection/Replacement
● ● ● 4-20
Battery Inspection/Charge
●
4-24
(every month)
Throttle pick-up timing Inspection/Adjustment
1
—
Bolts/Nuts Retightening ● ● ● 4-27
Oil tank water drain Cleaning ● ● ● 4-16
Oil pump Inspection/Adjustment 1 —
Power trim/tilt unit Inspection ● 4-19
Power trim/tilt operation Inspection ● ● ● 4-19
Exhaust leakage Inspection ● ● ● 4-18
Water leakage Inspection ● ● ● 4-18
Cowling clamp Inspection ● —
Throttle link Inspection/Adjustment
1
—
Throttle sensor Inspection/Adjustment
1
—
Wiring/Connector(s) Inspection/Reconnect ● ● ● 4-18
Interval
Item
Initial Every
Refer
page
10 hours
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
*1. When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
*2. Be sure to replace the high pressure fuel pump drive belt after every 1,000 hours or 5 years
(whichever comes first) of operation.
*3. Be sure to replace the high pressure fuel pump oil after every 1,000 hours or 5 years (whichev-
er comes first) of operation.
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