Operation Manual

61MS 441 C
English / USA
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
A = 300 hours
B = 125 hours
C = 50 hours
CARB:
The Emission Compliance Period used
on the CARB Air Index Label indicates
the terms:
Extended = 300 hours
Intermediate = 125 hours
Moderate = 50 hours
Engine
STIHL single cylinder two-stroke engine
Displacement
4.31 cu in. (70.7 cm
3
)
Bore
1.97 in. (50 mm)
Stroke
1.41 in. (36 mm)
Idle speed
2,800 rpm
Max. permissible engine speede with
bar and chain
13,500 rpm
Magneto ignition system
Electronic (breakerless)
Spark plug (suppressed),
Bosch WSR 6 F, NGK BPMR 7 A,
Electrode gap 0.02 in. (0.5 mm)
Carburetor
All position diaphragm carburetor with
integral fuel pump
Fuel capacity
1.53 US pt (0.725 l)
Öltankinhalt:
0.76 US pt (0.360 l)
Weight (without bar and chain)
MS 441 C: 14.7 lb (6.70 kg)
Cutting Attachment
Recommended cutting attachments for
compliance with § 5.11 of ANSI standard
B 175.1-2000
(see page 16 of this manual):
STIHL reduced kickback bar
(with green label) for 3/8" pitch:
Rollomatic with sprocket nose
16, 18 or 20" (40, 45 or 50 cm)
STIHL low kickback chain
1)
(with green label) for 3/8" pitch:
3/8" (9,32 mm) Rapid-Micro 2
(33 RM 2, 36 RM 2)
3/8" (9,32 mm) Rapid-Super-C 3
(33 RSC 3, 36 RSC 3)
7-tooth for 3/8" pitch
(Rimsprocket)
In order to comply with the kickback
performance requirements of § 5.11 of
ANSI Standard B 175.1-2000, do not
use replacement saw chain unless it has
been designated as meeting the ANSI
§ 5.11 requirements on this specific
powerhead or has been designated as
"low kickback" saw chain
1)
in
accordance with the ANSI B 175.1-2000
standard.
1) See definition of "low kickback chain"
on page 19.
Specifications