Yamaha EK25BMH Service Manual - Maintenance Interval Chart

MAINTENANCE INTERVAL CHART

CHK

ADJ

3-1

E

3

MAINTENANCE INTERVAL CHART

Frequency of maintenance operations may be adjusted according to the operating condi-

tions, but the following table gives general guidelines.

The mark (

@) indicates the check-ups which maybe carried out by owner.

The mark (

:) indicates work to be carried out by Yamaha dealer.

NOTE:

Cooling water passages:

When operating in salt water, turbid or muddy water, the engine should be flushed with clean

water after each use.

Item

Remarks

Initial

Every

Refer 

page

10 hours

50 hours 

(3 months)

100 hours 

(6 months)

200 hours 

(1 year)

FUEL SYSTEM

Fuel filter

Clean

@

@

@

3-3

Fuel system

Check

:

3-2

Fuel tank

Clean

@

—

POWER UNIT

Carburetor setting

Check

:

:

3-15

Adjust

:

:

3-15

Cooling water passage Clean

@

@

:

—

Exhaust leakage

Check

:

:

:

—

Water leakage

Check

:

:

:

—

CONTROL SYSTEM

Ignition timing

Check

:

:

3-4

Adjust

:

:

3-4

Idle speed

Check

:

3-15

Adjust

@

3-15

LOWER UNIT

Gear oil

Change

@

@

3-19

Propeller

Check

:

:

3-23

GENERAL

Spark plug

Clean

@

@

@

3-22

Adjust

@

@

@

3-22

Replace

@

@

@

3-22

Wiring and connectors Check

:

:

:

—

Greasa points

Grease

@

3-24

Bolts and nuts

Retighten

:

:

3-23

Anode

Check

:

:

:

3-21

Motor exterior

Check

:

:

—