Yamaha 20D, Owner'S Manual

Page: 179 / 253

4-14
GB
Carburetor
Inspection/
1 1
—
Adjustment
Fuel filter
Cleaning/
● ● ●
4-18
Replacement
Fuel system Inspection
● ●
4-17
Fuel tank *2 Cleaning
●
4-28
Idling speed
Inspection/
● ●
4-19
Adjustment
Spark plug(s)
Cleaning/Adjustment/
● ● ●
4-15
Replacement
Oil pump
Inspection/
1
—
Adjustment
Power trim/tilt system *1 Inspection
● ● ●
4-26
Wiring/Connector(s) Inspection/Reconnect
● ● ●
4-20
Exhaust leakage Inspection
● ● ●
4-20
Water leakage Inspection
● ● ●
4-20
Grease points Greasing
●
4-21
Gear oil Change
● ●
4-27
Bolts/Nuts Retightening 1 1 4-33
Anode(s)
Inspection/
1 1
4-29
Replacement
Propeller Inspection
● ● ●
4-24
Motor exterior Inspection
● ● ●
4-33
Cooling water
Flushing
● ●
4-10
passages *3
Battery
Inspection/
●
(every
4-30
Charge month)
Interval
Item
Initial Every
Refer
page
10 hours
(1 month)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
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. for Power trim/tilt model
*2. If a portable fuel tank is equipped.
*3. When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
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