Yamaha ef2000is User Manual download pdf (Page 32)

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6. Install the spark plug.

TIP

If a torque wrench is not available when installing a

spark plug, a good estimate of the correct torque is 1/4-

1/2 turn past finger tight. However, the spark plug

should be tightened to the specified torque as soon as

possible.

7. Install the spark plug cap and cap.

8. Install the cover and tighten the screws.

AE00431

Carburetor adjustment

The carburetor is a vital part of the engine. Adjusting

should be left to a Yamaha dealer with the professional

knowledge, specialized data, and equipment to do so

properly.

1. Place the generator on a level surface and warm

up the engine for several minutes.

Then stop the engine and turn the fuel cock knob,

fuel tank cap air vent knob to “OFF”.

2. Remove the screws 1 and then remove the cover

7DK-030

AE00412

Engine oil replacement

Avoid draining the engine oil immediately after

stopping the engine. The oil is hot and should be

handled with care to avoid burns.

WARNING

7DK-031

3. Remove the oil filler cap 1.

Spark plug torque:

20 Nm (2.0 m·kgf, 14 ft·lbf)

7DK-9-11_a 11.3.21 15:19 Page 27

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Yamaha ef2000is User Manual Page 32