4-10
GB
EMU00357*
MAINTENANCE CHART
Frequency of maintenance operations may be adjusted according to the operating conditions,
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.
Interval
Item
Initial
Every
Refer
page
10 hours
50 hours
100 hours
200 hours
(3 months) (6 months)
(1 year)
Carburetor setting
Inspection/Adjustment
2
2
—
Ignition timing
Inspection/Adjustment
2
2
—
Fuel filter
Cleaning/Replacement
7
7
7
4-15
Fuel system
Inspection*1
7
4-14
Fuel tank
Cleaning
7
4-22
Cooling water passages
Cleaning
7
7
2
4-6
Idling speed
Inspection/Adjustment
7
4-17
Spark plug
Cleaning/Adjustment/
7
7
7
4-12
Replacement
Wiring & Connectors
Inspection/Reconnect
7
7
7
4-18
Exhaust leakage
Inspection*1
7
7
7
4-18
Water leakage
Inspection*1
7
7
7
4-18
Grease points
Greasing
7
4-11
Gear oil
Change
7
7
4-21
Bolts & Nuts
Retightening
2
2
4-27
Anode
Inspection
7
2
2
4-23
Propeller
Inspection
7
7
4-19
Motor exterior
Inspection
7
7
4-27
7
Battery
Inspection
(every
4-24
month)
NOTE:
Cooling water passages:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
*1. Consult your Yamaha dealer if any leakage is found.
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