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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.
Item
Spark plug(s)
Greasing points
Gear oil
Fuel system
Fuel filter
Fuel tank*1
Idling speed
Anode(s)
Outboard motor exterior
Cooling water passages*2 Flushing
Propeller
Timing belt*3
Battery
Ignition timing
Bolts/Nuts*4
Engine oil
Oil filter
Valve clearance*5
Thermostat
*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.
Interval
Cleaning/Adjustment/
Replacement
Greasing
Change
Inspection
Inspection/Replacement
Cleaning
Inspection/Adjustment
Inspection/Replacement
Inspection
Inspection
Inspection/Replacement
Inspection/Charge
Inspection
Retightening
Change
Change
Inspection/Adjustment
Inspection
Initial
50 hours
10 hours
(3 months)
(6 months)
G
G
G
G
1
1
G
1 : Every 400 hours (2 years)
4-9
Every
100 hours
200 hours
(1 year)
G
G
G
1
G
G
G
1
G
G
G
1
1
1
1
G
1
1
GB
Refer
page
4-11
4-10
4-25
4-13
4-14
—
4-16
4-26
4-30
4-6
4-23
4-19
4-27
—
4-30
4-17
—
—
—
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