Yamaha EF4000DE - Manual (Page 36)

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741-001
711-012b
AE00443
MUFFLER SCREEN AND SPARK ARRESTER
(For EF4000DE/YG4000D)
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The engine and muffler will be very hot after the
engine has been run.
Avoid touching the engine and muffler while they
are still hot with any part of your body or clothing
during inspection or repair.
1. Remove the muffler screen.
1 Muffler screen
2 Screw
å EF4000DE
∫ YG4000D
2. Use a flathead screw driver to pry the spark
arrester out from the muffler.
711-012d
q
711-022
711-050
3. Remove the spark arrester.
1 Spark arrester
4. Remove the carbon deposits on the muffler
screen and spark arrester using a wire brush.
c C
When cleaning, use the wire brush lightly to avoid
damaging or scratching of the muffler screen and
spark arrester.
q
711-055
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q
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7WV-9-11 B 10/15/03 3:50 PM Page 31