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.
Item
Spark plug
Greasing points
Gear oil
Fuel system
Fuel filter
Fuel tank
Idling speed
Anode
Outboard motor
exterior
Cooling water
passages
Propeller
Timing belt
Battery
Power trim and tilt
Ignition timing
Bolts and nuts
Engine oil
Oil filter
Valve clearance
Thermostat
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.
Interval
Cleaning/Adjustment/
Replacement
Greasing
Change
Inspection
Inspection/Replacement
Cleaning
Adjustment
Inspection/Replacement
Inspection
Cleaning
Inspection
Inspection
Inspection
Inspection
Inspection/Adjustment
Retightening
Change
Change
Inspection/Adjustment
Inspection
Initial
50 hours
10 hours
(3 months)
1
(every
month)
1
1
1
4-12
Every
100 hours
200 hours
(6 months)
(1 year)
1
1
1
1
1
1
1
GB
Refer
page
4-13
4-15
4-18
4-20
4-21
4-24
4-25
4-26
4-36
4-8
4-27
4-29
4-31
4-34
—
4-35
4-16
—
—
—
