Yamaha EF7000 Service Manual page 30

PERIODIC MAINTENANCE
4. Decarbonize:
9 Muffler
Tap on the muffler in the area shown in
the illustration to loosen carbon build-
up, and then shake it out from the end
of the muffler.
NOTICE
Do not use a wire to clean, otherwise the
noise damping material may come out, and
the damping effect may be reduced.
5. Decarbonize:
9 Muffler screen
NOTICE
When cleaning with a wire brush, use it
softly to avoid damage or scratch the muf-
fler screen.
6. Install:
9 Muffler
(Refer to "MUFFLER" on 3-10)
9 Washer
9 Muffler screen
9 Muffler cap
9 Muffler band
9 Muffler cover
9 Muffler cover bolts
2-9
CHK
ADJ
2.0 Nm (0.20 m · kgf, 1.4 ft · lbf)
12 Nm (1.2 m · kgf, 8.7 ft · lbf)