Yamaha EF1000iS ユーザーズマニュアル

– 20 –

AE00401

AE00403

MAINTENANCE CHART
Regular maintenance is most important for best performance and safe operation.

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*

: It is recommended that these items be serviced by a Yamaha dealer.

**

: Related to emission control system.

No.

Item

Remarks

Pre-Ope-

ration

check

(daily)

Initial

Every

1

month

or 20 Hr

3

months

or 50 Hr

6

months

or 100 Hr

12

months

or 300 Hr

Check condition.

1.

**

Adjust gap and

0

Spark Plug

clean. Replace if
necessary.

**

Check and adjust

2.*

Valve Clearance

when engine is

0

cold.

Check breather

**

hose for cracks or

0

3.*

Crankcase

damage. Replace

breather system

if necessary.

Check for leakage.
Retighten or

0

*replace gasket

**

if necessary.

4.

Exhaust System

Check muffler
screen and spark
arrester. Clean/

0

replace if
necessary.

Check oil level

0

5.

Engine Oil

Replace

0

0

**

Clean.

6.

Air Filter

Replace if

0

necessary.

Clean fuel tank

7.

Fuel Filter

filter. Replace if

0

necessary.

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