4-9
GB
EMU01034*
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.
Spark plug(s)
Cleaning/Adjustment/
● ● 4-11
Replacement
Greasing points Greasing ● 4-10
Gear oil Change ● ● 4-23
Fuel system Inspection ● 4-13
Fuel filter
Inspection/Replacement
● ● 4-14
Fuel tank*1 Cleaning ● —
Anode(s)
Inspection/Replacement
1 4-24
Outboard motor exterior Inspection ● 4-29
Cooling water passages*2
Flushing ● 4-6
Propeller Inspection ● 4-21
Timing belt*3
Inspection/Replacement
1 4-17
Battery Inspection/Charge 1 4-25
Bolts/Nuts*4 Retightening 1 1 4-27
Engine oil Change ● ● 4-15
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
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
*1. If a portable fuel tank is equipped.
*2. The engine should be flushed with fresh water after operating 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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