M.4 INTAKE
i
EXHAUST SYSTEM
92.4mm
STROKE
SERIES
WSM,
01092
BINTAKE AND
EXHAUST
SYSTEM
[I]
AIR CLEANER (not included in the
basic
engine)
gi7’
A1
09FO
1
5
The air cleaner
is
a
dry-cyclone type for
easy
maintenance. Sucked air
is
caused to flow in
a
whirling way with air guide
(1).
The dust, while
circulating in the air flow,
is
absorbed by the element
(3)
and thus prevented from entering the engine.
(1)
AirGuide
(2)
Air Cleaner Body
(3)
Air Filter Element
(4)
To
Cylinder
[Z]
MUFFLER (not included in the basic engine)
High temperature and high pressure exhaust gas
is
intermittently discharged by fuel combustion
generating pressure waves inside the exhaust pipe
which will result in noise.
The muffler
is
used to reduce this noise.
This muffler consists of
a
perforated inner tube
(3)
and outer tube (2), glass wool
(l),
etc.
The glass wool
placed between the outer tube and main body,
absorbs the exhaust noise of higher frequency.
(1)
Glass
Wool
(2)
Outer Tube
(3)
Inner Tube
M-I
9
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