.
CS·3
3
0EVL
SERVICE INFORMATION
1
1
.
SERVICE INFORMATION
1·1 Specification
s
Serial
Number
0006959
and
before
l
0006960 and after
length
•
mm
(i
n)
373
(14
.
7)
Dimensions
width
mm(in)
235
(
9
.
3)
height
mm
(in)
225 (8.9)
l
235 (9
.
3)
Dry weight*
kg
(lb)
4.3
(9.
5)
type
KIORITZ,
air
-
cooled,two
-
stroke,single cylinder
rotat
io
n
Clockwise rotation
as
viewed
from the
output end
Engine
displacement
cc
(cu.i
n
)
33
.
4
(2.0381
bore
mm
(i
n)
39
.
0
(
1
.
535)
stroke
mm
(in)
28
.
0
(
1
.
1
02)
compression ratio
7.
0
Carbureto
r
Diaphragm type with
adjustab
l
e
fuel mixture
je
ts
Ig
nition
type
T
C
I
I
COl
spark
plug
NGK BM-6A
or
BMR6A
type
Automatic rewind
Starter
rope
dia. x length
mm
(in)
3
.0
X
850
(0.
12
X
3
3.5)
mixing
ra
tio (Gasoline:Oi
l
)
20
:
1
or a
rat
io
approved by
KIORITZ
/
ECHO
Fue
l
gaso
li
ne
Reg
ular type
oil
ECHO air-cooled
two-stroke
oi
l
or approved equivalent
tank capac
ity
2
(
US.fl.oz
)
0.33
(
11
.
2)
C
l
utch
Automatic
3
-s
hoe
centrifugal
Guide
bar
/
Saw chain lubrication
Automatic oiler
Oil tank
capaci
ty
2 (
U
S.f
l.oz
)
0
.
20
(6.8)
*
Power head
w
a
thout
guade bar and
saw
chaan
(
Cutting devices)
Sprocket
type
R
im
Spur
number
o
f
teeth
8
6
or 7
pitch
in
1
/
4
3/8
Guide bar length,
metric bar
em
30
35
30
3
5
40
Saw c
h
ain
number
of drive links
68
76
4
7
53
58
pitch
in
1
/
4
3/8
gauge
in
0.050
1·
2 Technical dat
a
Serial
N
umb
er
0006959
and before
I
0006960 and after
Ign
i
tio
n t
ype
TC
I
l
CDI
Spark plug gap
mm(in)
0
.
6
-
0.7
(
0
.
024
-
0.028
1
Pole
core gap
mm
(i
n)
0.3
-
0
.
4
5
(0.0
1
2
-
O.Q181
Ign
ition
timi
ng
0
BTDC
30
Pr
i
mary
coil
re
sistance
n
0
.9
-
1
.
1
l
0
.
0
-
0.2
Secondary co
il
resistance
kU
9
.
0
-
11
.0
l
1
.
5
-
3.0
M
i
nimum secondary voltage
kV
15
(at
1
,000 rpm)
H
needle
tu
rn
open
1 and ¼ ( Initial Set)
L needle
turn
open
1 and ¼ ( Initial Set)
Idle speed adjusting screw
turn
open
5
(
Initial
set:
Forward
after throttle valve
begins to open
)
Idl
i
ng speed
rpm
2
0
.
00
-
3
,000
Operating speed
rpm
5,500
-
8
,50
0
Compression
pressure
kg
/
cm
2
(
psi
)
7
.
0
(
100)
