Yamaha EK40G, Service Manual

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6H95G11
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Maintenance interval chart
Use the following chart as a guideline for general maintenance.
Adjust the maintenance intervals according to the operating conditions of the outboard motor.
Special service tools/Maintenance interval chart
Initial Every Refer
Item Actions 10 hours 50 hours 100 hours 200 hours to
(Break-in) (3 months) (6 months) (1 year) page
Anode (s) (external) Check / replace
1 1
3-9
Anode (s) (internal) Check / replace
1
5-30
Battery Check / charge
1
3-9
Cooling water passages Clean
1 1
3-4
Cowling clamp Check
1
3-3
Fuel filter (can be dis-
Check / clean
1 1 1
3-3
assembled)
Fuel system
Check
1 1 1
3-3
Fuel tank (Yamaha por-
Check / clean
1
—
table tank)
Gear oil
Change
1 1
3-8
Lubrication points Lubricate
1
3-10
Idling speed (carbure-
Check / adjust
1 1
3-7
tor model)
Propeller and cotter pin Check / replace
1 1
3-9
Shift link / shift cable Check / adjust
1
3-7
Thermostat Check
1
3-4
Throttle link / throttle
3-5,
cable / throttle pick-up Check / adjust
1
3-6
timing
Water pump
Check
1
6-10, 6-32
Spark plug Clean / adjust / replace
1 1 1
3-3
NOTE:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean water
after each use.
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