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21 Master Control lever
22 Throttle trigger
23 Throttle trigger lockout
24 Rear handle
25 Rear hand guard
# Serial number
27 Specifications
27.1
Engine
Single cylinder two-stroke engine
Displacement:
23.6 cc
Bore:
34 mm
Stroke:
26 mm
Engine power to ISO 7293: 1.1 kW (1.5 bhp) at
10,000 rpm
Idle speed:
1
3,300 rpm
27.2
Ignition System
Electronic magneto ignition
Spark plug (resistor type): NGK CMR 6 H
Electrode gap:
0.5 mm
27.3
Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
200 cc (0.2 l)
27.4
Chain Lubrication
Fully automatic, speed-controlled oil pump
Oil tank capacity:
150 cc (0.15 l)
27.5
Weight
dry, without bar and chain
MS 151 C
2.8 kg
27.6
Cutting Attachment
Actual cutting length may be less than the speci‐
fied length
27.6.1
Rollomatic E Mini guide bars
Cutting lengths:
25, 30 cm
Pitch:
1/4" P (6.35 mm)
Groove width:
1.1 mm
Nose sprocket:
8-tooth
27.6.2
Carving E guide bars
Cutting lengths:
30 cm
Pitch:
1/4" P (6.35 mm)
Groove width:
1.1 mm
27.6.3
1/4" P chains
Picco Micro 3 (71 PM3) Type 3670
Pitch:
1/4" P (6.35 mm)
Drive link gauge:
1.1 mm
27.6.4
Chain sprocket
8-tooth for 1/4" (spur sprocket)
Max. chain speed according to
ISO 11681:
22.5 m/s
Chain speed at maximum power:
16.9 m/s
27.7
Sound and Vibration Levels
For further details on compliance with Vibration
Directive 2002/44/EC, see
www.stihl.com/vib
27.7.1
Sound pressure level L
peq
in accord‐
ance with ISO 22868
96 dB(A)
27.7.2
Sound power level L
weq
in accordance
with ISO 22868
110 dB(A)
27.7.3
Vibration measurement a
hv, eq
in
accordance with ISO 22867
Handle, left:
4.9 m/s
2
Handle, right:
4.9 m/s
2
The K‑factor in accordance with Directive
2006/42/EC is 2.0 dB(A) for the sound pressure
level and sound power level; the K‑factor in
accordance with Directive 2006/42/EC is
2.0 m/s
2
for the vibration level.
27.8
REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorization and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation (EC) No. 1907/2006 see
www.stihl.com/reach
1)
available as special accessory
1)
to ISO 11681 +/- 50 rpm
English
27 Specifications
36
0458-506-0121-C