M.
1
ENGINE
BODY
92.4mm
STROKE
SERIES
WSM,
01092
ENGINE
BODY
[I]
CYLINDER
BLOCK
I
A109F005
I
[2]
CYLINDER
HEAD
41
09F006
0087F010
w
A
The engine has
a
high durability tunnel-type
cylinder block in which
the
crank bearing component
is
a constructed body. Furthermore, liner
less
type,
allow effective cooling,
less
distortion, and greater
wear-resistance.
The
noise
level
is
reduced to
a
minimum because
each
cylinder
has
its
own chamber.
The
cross-flow type intake/exhaust ports
in
this
engine
have
their
openings at both sides of the
cylinder head. Because overlaps of intake/exhaust
ports are smaller than
in
ports
of
other types which
have openings on one side, the suction air can be
protected from being heated and expanded by
heated exhaust air. The cool, high density suction air
has high volume efficiency and
raises
the power of
the engine. Furthermore, distortion
of
the cylinder
head
by
heated exhaust gas
is
reduced because
intake ports are arranged alternately. The
combustion chamber
is
of KUBOTA's exclusive New
TVCS
combustion chamber type.
Suction air
is
whirled to be mixed effectively with fuel, prompting
combustion and reducing fuel consumption.
In
the
combustion chamber are installed throttle
type injection nozzle and rapid heating sheathed
type glow plug.
This
glow plug assures easier than
ever engine starts
even
at
-1
5°C
(5°F).
(1) Combustion Chamber
(2)
Intake Port
(3)
Exhaust Port
(4)
Nozzle
Assembly
(5)
Glow
Plug
(6)
Cylinder Head
(7)
Depression
(8)
Compressed Air
[A)
Connect to
Combustion Chamber
M-3
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