Specifications - Stihl MS 441 C-M Instruction Manual

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Specifications

Engine
STIHL single cylinder two-stroke engine
Displacement: 70.7 cc
Bore: 50 mm
Stroke: 36 mm
Engine power to 4.2 kW (5.7 bhp)
ISO 7293: at 9,500 rpm
1)
Idle speed: 2,800 rpm
1)
to ISO 11681 +/- 50 rpm
Ignition System
Electronic magneto ignition
Spark plug (resistor Bosch WSR 6 F,
type): NGK BPMR 7 A
Electrode gap: 0.5 mm
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 725 cc (0.725 l)
Chain lubrication
Fully automatic, speed-controlled
reciprocating oil pump. Additional
manual oil flow control
Oil tank capacity: 360 cc (0.36 l)
46
Weight
dry, without bar and chain
MS 441:
MS 441 with handle heating:
Cutting Attachment
The actual cutting length can be less
than the specified cutting length.
Rollomatic guide bars
Bar lengths (3/8"
pitch): 40, 45, 50, 63, 75 cm
Groove width: 1.6 mm
3/8" chains
Rapid Micro (36 RM) Type 3652
Rapid Super (36 RS) Type 3621
Rapid Super 3 (36 RS3) Type 3626
Pitch: 3/8" (9.32 mm)
Drive link gauge: 1.6 mm
Chain sprocket
7-tooth for 3/8"
Max. chain velocity to
ISO 11681:
As a rule, the mean chain velocity in
operation is about 20% lower than the
maximum chain velocity in accordance
with ISO 11681. Contact your STIHL
servicing dealer for advice on personal
protective equipment.
Sound and vibration levels
For further details concerning
compliance with the Physical Agents
6.6 kg
Directive Vibration 2002/44/EC, see
6.7 kg
www.stihl.com/vib
Sound pressure level L
105 dB(A)
Sound power level L
118 dB(A)
Vibration level a
Left handle:
Right handle:
The K-factor in accordance with
Directive 2006/42/EC is 2.5 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
for the vibration measurement.
REACH
REACH is an EC regulation and stands
for the Registration, Evaluation,
Authorisation and Restriction of
2
27.5 m/s
Chemical substances.
For information on compliance with the
REACH regulation (EC) No. 1907/2006
see www.stihl.com/reach.
to ISO 22868
peq
to ISO 22868
w
to ISO 22867
hv,eq
2
3.1 m/s
2
3.3 m/s
2
MS 441 C-M