Specifications - Stihl MS 440 Instruction Manual

English / USA

Specifications

Engine
EPA:
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
STIHL single cylinder two-stroke
engine
Displacement: 4.31 cu.in
(70.7 cm
Bore: 1.97 in
(50 mm)
Stroke: 1.42 in
(36 mm)
Idle speed: 2,500 rpm
58
Ignition System
Type:
Spark plug
(suppressed):
Electrode gap:
Fuel/Oil System
Carburetor:
Air filter:
Fuel tank capacity:
3
)
Fuel mix:
Chain lubrication:
Oil tank capacity:
Weight
without bar and
chain:
Cutting Attachment
Recommended cutting attachments
Electronic
for compliance with § 5.11 of ANSI
magneto ignition
Standard B 175.1-2000
Bosch WSR 6 F,
NGK BPMR 7 A,
(see page 14 of this Manual):
Champion RCJ 6 Y
0.02 in (0.5 mm)
STIHL reduced kickback bar
(with green label) for 3/8" pitch:
Rollomatic with sprocket nose
16, 18 or 20 in (40, 45 or 50 cm)
All position
diaphragm
STIHL low kickback chain
carburetor with
(with green label) for 3/8" pitch:
integral fuel pump
3/8" (9.32 mm) Rapid-Micro 2
Synthetic fabric
(33 RM2, 36 RM2)
1.69 US pt (0.8 l )
Chain sprocket:
See "Fuel"
7-tooth for 3/8" pitch spur sprocket
Fully automatic oil
pump
In order to comply with the kickback
0.68 US pt (0.325 l)
performance requirements of § 5.11
of ANSI Standard B 175.1-2000,
do not use replacement saw chain
unless it has been designated as
13 lb (5.9 kg)
meeting the ANSI § 5.11 requirements
on this specific powerhead, or has been
designated as "low kickback" saw
chain
175.1-2000 standard.
1)
1)
1)
in accordance with the ANSI B
See definition of "low kickback
chain" on page 16 of this Manual.
MS 440, MS 440 W, MS 440 C