Owner's Manual
MS 441 C-M
English
52
EPA / CEPA
The Emission Compliance Period
referred to on the Emissions
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
Category
Engine
STIHL single cylinder two-stroke engine
Ignition system
Electronic magneto ignition
(breakerless)
Fuel system
All position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with reciprocating piston –
additional manual oil flow control
Weight
Cutting attachment
Recommended cutting attachments in
compliance with Sec. 5.11 of ANSI
standard B 175.1-2000
Observe the information about ANSI
standard B 175.1-2000 as well as the
definition "low-kickback saw chain" in
the section "Safety Precautions and
Working Techniques".
Rollomatic E guide bars
Saw chains 3/8"
Chain sprocket
In order to comply with the kickback
performance requirements of Sec. 5.11
of ANSI standard B 175.1-2000, do not
use replacement saw chains unless they
have been designated as meeting the
ANSI Sec. 5.11 requirements on this
specific powerhead, or have been
designated as "low kickback" saw
chains in accordance with the ANSI B
175.1-2000 standard.
Since new bar/chain combinations may
be developed after publication of this
Manual, ask your STIHL dealer for the
latest STIHL recommendations.
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 4.31 cu. in.
(70.7 cm
3
)
Bore: 1.97 in. (50 mm)
Stroke: 1.41 in. (36 mm)
Engine power to
ISO 7293:
5.6 hp (4.2 kW)
at 9,500 rpm
Idle speed: 2,800 rpm
Maximum permissi-
ble speed with bar
and chain: 13,500 rpm
Spark plug
(suppressed):
NGK BPMR 7 A,
Bosch WSR 6 F
Electrode gap: 0.02 in. (0.5 mm)
Fuel tank capacity: 24.5 oz (0.725 l)
Oil tank capacity: 12.2 fl.oz (0.36 l)
dry, without bar and chain
MS 441: 14.6 lbs. (6.6 kg)
MS 441 with wrap
around handlebar: 15.4 lbs. (7.0 kg)
STIHL reduced kickback guide bars
(with green label)
Bar lengths: 16, 18, 20, 25 in
(40, 45, 50, 63 cm)
Pitch: 3/8" (9.32 mm)
Groove width: 0.050 in. (1.3 mm)
or 0.063 in.
(1.6 mm)
Sprocket nose: 10-tooth
STIHL reduced kickback saw chains
(with green label)
Rapid Super C3 (33 RSC3)
Rapid Super C3 (36 RSC3)
Pitch: 3/8" (9.32 mm)
Drive link gauge: 0.050 in. (1.3 mm)
or 0.063 in.
(1.6 mm)
7-tooth for 3/8" (rim sprocket)