E
4-10
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/
●●4-12
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 ● —
Anode(s)
Inspection/Replacement
1 4-26
Outboard motor exterior Inspection ● 4-31
Cooling water passages*2
Flushing ● 4-5, 4-30
Propeller Inspection ● 4-22
Timing belt*3
Inspection/Replacement
1 4-18
Battery Inspection/Charge 1 4-27
Bolts/Nuts*4 Retightening 114-29
Engine oil Change ●●4-16
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)
*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.
68V-9-13-4 3/15/02 1:59 PM Page 11
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