Technical
Data
D
es
cripti
on:
SACHS
SA
340 I
SAC
HS
SA
340
SS
(super sport) I
SA
CHS
SA
370
Type: Fan-cooled single-cylinder two-stroke gasoline
engine
Direction
of
rotation: Anti-clockwise
as
seen on
th
e output sh
aft
of
th
e engine
Swept
capaci
ty: 3
36
cc
(20.503
cu i
n.
) I
368
cc (
22
.4
55
cu
in
.)
Bore:
rJ;
75
.5
mm
(
2.972
in.)
rJ;
79
mm
(3.1
10
in.
)
~
'·
Stroke :
75
mm
(2.77
9
in
.)
Comp
ression
ratio:
9 I
11
I 9.7
I I 23.5
HP
(DIN)
at
5250
rpm
I with
ca
rburett
or
HR
-
18
A
Ou
tp
ut:
22
HP
(
DIN
) at
525
0 rpm
26
HP
(DIN)
at
6000
rpm I 24.5
HP
(
DI
N)
at
52
50
rpm
i wi
th
ca
rbu re
tt
or
HD-
13
A
Ignition:
BOSC
H fl
yw
heel magneto
12 V
40Wor
12
V75
W
Ignition
ti
ming: stopped engine : 0.2...0
.4
mm
running engine: 4.1...4.7
mm
before
TDC
(0.00
79...0
.0
1
57
in.l
before
TDC
(
0.
1
968
.
..
0
.2283
in.
Contact breaker
gap:
0.4 ±
0.
05
mm
(0
.
016
± 0.002 in.)
12 V
40
W equipment : st
op
p
ed
engine
32
...
36
mm
(
1.
2598
...
1.4
173
in
.l
Pol
e
shoe
gap:
running engine
14
...
18
mm
(
0.5511
...
0.7087
in.
12
V
75
W equipment: sto
pped
engine
25
...
29
mm
(0.9842...1.
1417
in.l
• running engine 7...
11
mm (0.2756...0
.4331
in.
Spark
plug: BOSCH M
240
T 1 I BOSCH M
260
T 1 I
BOSCH
M
240
T 1
Tl
LLO
T
SO
N
diaphr
agm
car
burettor
Carburettor:
HD
-
13
A 1
'h''
(38.10
mm
dia
.) I
HR-1
8 A
1'
11•"
(
30.
16
mm
dia.
)
Main jet =1 turn open I
~
Main j
et
=1
1f,
turn open
Carburettor setting : Idling j
et
=1 tu
rn
open
Idl
in
g jet =1 t
urn
open
Air
cleaner:
Intake
si
lencer
Exhaust muffler: Swirl-type exhaust silencer
Recoil starter
Method
of
starting:
,~·
on
request solenoid-controlled starter 12 V
0.
4 H
P.
or
inerti
a-p
i
ni
on type
starter
12
V- 0.4
HP.
necessary
ba
ttery
}2
Vo
lt
32
..,
38
Ah
w Engine lubricati
on:
Two
-stroke mixture mixed
25
: 1 ra
ti
o
