Specifications - Stihl MS 441 Instruction Manual

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Specifications

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
3
70,7 cm
Bore
50 mm
Stroke
36 mm
Power output
according ISO 7293
4,1 kW at 9500 rpm
58
Idle speed
2800 rpm
Maximum permissible engine speed
with bar and chain
13 500 rpm
Magneto Ignition System
Electronic (breakerless)
This spark ignition system meets all
requirements of the Canadian
Interference-Causing Equipment
Regulations ICES-002.
Spark plug (suppressed)
Bosch WSR 6 F, NGK BPMR 7 A,
Electrode gap 0,5 mm
Diaphragm carburetor
All position with integral fuel pump
Fuel tank capacity: 0,725 l (725 cm
Oil tank capacity: 0,360 l (360 cm
Weight (without bar and chain)
MS 441: 6,60 kg
MS 441 with handle heating: 6,70 kg
Cutting Attachment
Chain sprockets:
Rim sprocket 3/8" 7T
Spur sprocket 3/8" 7T
Chain lubrication:
Fully automatic, speedcontrolled
reciprocating oil pump.
Additional manual oil flow control
STIHL cutting attachments complying
with CSA Standard CAN 3-Z 62.3:
Guide bar:
STIHL Rollomatic with sprocket nose
(11 tooth)
40, 45, 50, 63 cm (16, 18, 20, 25")
Saw chain:
3
)
STIHL Oilomatic chain 33 RS,
36 RS, 33 RSC, 36 RSC
3
)
33 RM, 33 RM 2, 36 RM, 36 RM 2 ,
33 RSC 3, 36 RSC 3
Drive link gauge: 1,6 mm (.063")
Other cutting attachments complying
with CSA Standard CAN 3-Z 62.3 are
available (see section CSA-Standard
Z 62.3 and "Chain Leaflet" inside chain
box or contact your local STIHL dealer).
Please ask your STIHL dealer to
properly match your powerhead with the
appropriate bar/chain combinations to
reduce the risk of kickback injury.
MS 441