Specifications - Stihl MS 441 C-MQ Instruction Manual

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
Engine
STIHL single cylinder two-stroke engine
Displacement: 4.31 cu.in
(70.7 cm
Bore: 1.97 in (50 mm)
Stroke: 1.41 in (36 mm)
Engine power to ISO 5.6 HP (4.1 kW)
7293: at 9,500 rpm
Idle speed: 2,800 rpm
High speed setting
when performing
repairs (with bar and
chain): 13,500 rpm
Ignition System
Electronic (breakerless) magneto
ignition
MS 441 C-MQ
Spark plug (resistor
type):
Electrode gap:
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 24.5 fl.oz (0.725 l)
Chain Lubrication
Fully automatic, speed-controlled
reciprocating oil pump. Additional
manual oil flow control
Oil tank capacity:
Weight
dry, without bar and
chain:
3
)
Cutting Attachments
Recommended cutting attachments
conforming with the 45 degree
computed kickback angle requirement
of Section 5.11 of
ANSI/OPEI B175.1-2012 when used on
this model chain saw (see the chapter
on "Safety Precautions and Working
Techniques"):
Rollomatic E guide bars
NGK BPMR 7 A,
Bosch WSR 6 F
Reduced kickback STIHL guide bars
0.02 in (0.5 mm)
(with green label)
Bar lengths:
Pitch:
Groove width: 1.3 mm (0.050 in) or
Sprocket nose: 10-tooth
Actual cutting length will be less than
listed bar length.
Saw chain 3/8"
Low kickback STIHL saw chain (with
green label)
Rapid Super 3 (33 RS3) Type 3624
12.2 fl.oz (0.36 l)
Pitch:
Drive link gauge:
Low kickback STIHL saw chain (with
green label)
Rapid Super 3 (33 RS3) Type 3626
15.0 lbs (6.8 kg)
Pitch:
Drive link gauge:
Chain sprocket
7-tooth for 3/8" (rim sprocket)
To comply with the 45 degree computed
kickback angle requirement of Section
5.11 of ANSI/OPEI B175.1-2012, use
replacement saw chains listed above or
elsewhere by STIHL as conforming with
that requirement when used on this
model chain saw or use saw chains
classified as "low kickback" in
accordance with
ANSI/OPEI B175.1-2012.
English
40, 45, 50, 63 cm (16,
18, 20, 25 in.)
3/8" (9.32 mm)
1.6 mm (0.063 in.)
3/8" (9.32 mm)
1.3 mm (0.050 in)
3/8" (9.32 mm)
1.6 mm (0.063 in)
55