Yamaha F50A, Owner'S Manual

Page: 70 / 117

4-9
E
Spark plug
Cleaning/Adjustment/
● ● ●
4-11
Replacement
Greasing points Greasing
●
4-10
Gear oil Change
● ●
4-24
Fuel system Inspection
●
4-13
Fuel filter Inspection/Replacement ● ● ● 4-14
Fuel tank Cleaning
●
4-25
Idling speed Adjustment
● ●
4-16
Anode Inspection/Replacement
1 1
4-27
Outboard motor exterior Inspection
● ●
4-31
Cooling water passages Cleaning
● ●
4-5
Propeller Inspection
● ●
4-22
Timing belt Inspection
1
4-19
Battery Inspection
●
(every
4-28
month)
Power trim and tilt Inspection
● ● ●
4-21
Ignition timing Inspection/Adjustment
1 1
—
Bolts and nuts Retightening
1 1
4-31
Engine oil Change
● ●
4-17
Oil filter Change
1
—
Valve clearance Inspection/Adjustment
1 1
—
Thermostat Inspection
1
—
Interval
Item
Initial Every
Refer
page
10 hours
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
EMK30510*
MAINTENANCE CHART
Frequency of maintenance operations may be adjusted according to the operating con-
ditions, but the following table gives general guidelines.
The mark (
●
) indicates the check-ups which you may carry out yourself.
The mark (
1
) indicates work to be carried out by your Yamaha dealer.
NOTE:
8
When operating in salt water, turbid or muddy water, the engine should be flushed
with clean water after each use.
8
If leaded gasoline is usually used, engine valves and related parts should be inspect-
ed after every 300 hours of operation in addition to the items on the maintenance
chart above.
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