Operation Manual

Specification
ENGLISH 20
10. Specification
Brushcutter
137SB
142SB
154SB
Engine type
SOLO single cylinder two-stroke engine
Engine capacity cm
3
36.5
40.7
54.2
Bore / stroke mm
37 / 34
39 / 34
45 / 34
Engine power kW at rpm
1.5 / 8000
1.7 / 8000
2.0 / 8000
Max. permissible speed rpm
no load with cutter
10800 ± 300
Medium idling speed rpm
2700± 200
Fuel tank capacity l
0.7
Fuel consumption at max. power
(ISO 8893)
kg
/
h
0.89
0.89
0.96
Specific consumption at max. power
(ISO 8893)
g
/
kWh
595
525
480
Clutch engagement speed rpm
4200
Fuel mix ratio:
with SOLO 2T engine oil
with other two-stroke oils
1:50 (2%)
1:25 (4%)
Carburettor
All-position diaphragm carburettor with primer and integrated
fuel pump
Air filter
Fabric filter
Ignition
Electronically controlled magneto ignition, maintenance free
Gear reduction

Max. speed of the cutter rpm
1.23:1
8800 ± 250
Shaft tube - connection Ø mm
Drive shaft Ø mm
Star serration
28
8
9 teeth
Dimensions Height mm
Width mm
Length mm
530
665
1760
Weight kg
w/o shield and cutter
7.7
7.7
7.7
In determining the following values regarding the acceleration of vibrations and sound, the different operating
conditions were weighted in accordance with the current standards.
Weighted effective acceleration a
hv,eq
(DIN ISO 22867)
Handle r.h. side / handle l.h. side
Nylon head m/s
2
Grass cutter blade m/s
2
k: ± 0,5 a
6,6 / 5,7
7,7 / 7,1
k: ± 0,5 a
6,6 / 5,5
7,7 / 7,3
k: ± 0,5 a
6,1 / 5,5
7,9 / 7,3
Sound pressure level L
Peq
(EN ISO 22868)
Nylon head dB(A)
Grass cutter blade dB(A)
k: ± 2,5 dB(A)
97
92
k: ± 2,5 dB(A)
97
92
k: ± 2,5 dB(A)
97
92
Sound power level L
Weq
(EN ISO 22868)
Nylon head dB(A)
Grass cutter blade 4 teeth dB(A)
k: ± 2,5 dB(A)
108
106
k: ± 2,5 dB(A)
108
106
k: ± 2,5 dB(A)
108
106