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Spark Plug Torque:
20.0 N•m (2.0 kgf•m, 14.8 lbf•ft)
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
2.
1
2
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
1
3. Remove the oil filler cap 1.
7DK-9-10 09.1.27 1:46 PM Page 24