4-11
GB
Spark plug
Cleaning/Adjustment/
●
●
●
4-12
Replacement
Greasing points
Greasing
●
4-14
Gear oil
Change
●
●
4-17
Fuel system
Inspection
●
4-19
Fuel filter
Inspection/Replacement
●
●
●
4-20
Fuel tank
Cleaning
●
4-23
Idling speed
Adjustment
●
●
4-24
Anode
Inspection/Replacement
1
1
4-25
Outboard motor
Inspection
●
●
4-36
exterior
Cooling water
Cleaning
●
●
4-6, 4-35
passages
Propeller
Inspection
●
●
4-26
Timing belt
Inspection
1
4-28
Battery
Inspection
●
(every
4-30
month)
Power trim and tilt
Inspection
●
●
●
4-33
Ignition timing
Inspection/Adjustment
1
1
—
Bolts and nuts
Retightening
1
1
4-33
Engine oil
Change
●
●
4-15
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.
62Y-9-7C (E,F,ES) 4A 3/22/02 9:54 AM Page 30
Summary of Contents for FT50C
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