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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
Engine
STIHL single cylinder four-stroke engine
with mixture lubrication
Displacement:
2.45 cu.in
(40.2 cc)
Bore:
1.57 in (40 mm)
Stroke:
1.26 in (32 mm)
Engine power to
2.1 bhp (1.6 kW)
ISO 8893:
at 9,000 rpm
Idle speed:
2,800 rpm
Max. output shaft
speed (chain
sprocket):
12,300 rpm
Cut-off speed
(rated):
12,300 rpm
Ignition System
Electronic magneto ignition
HT 250
Spark plug (resistor
type):
NGK BPMR 7 A
Electrode gap:
0.02 in (0.5 mm)
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity:
21.6 fl.oz (0.640 l)
Chain Lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Oil tank capacity:
7.4 fl.oz (0.22 l)
Weight
dry, without bar and chain:
HT 250:
13.4 lbs (6.1 kg)
Cutting attachments
Rollomatic E Mini guide bar
Reduced kickback STIHL guide bars
(with green label)
Bar lengths:
30 cm, 35 cm (12 in.,
14 in.)
Pitch:
3/8" P (9.32 mm)
Groove width: 1.1 mm (0.043 in.)
Actual cutting length will be less than
listed bar length.
Rollomatic E Mini Light guide bars
Reduced kickback STIHL guide bars
(with green label)
Bar lengths:
30 cm, 35 cm (12 in.,
14 in.)
Pitch:
3/8" P (9.32 mm)
Groove width: 1.1 mm (0.043 in.)
Actual cutting length will be less than
listed bar length.
Saw chain 3/8" P
Low kickback STIHL saw chain (with
green label)
Picco Micro Mini 3 (61 PMM3)
Type 3610
Pitch:
3/8" P (9.32 mm)
Drive link gauge:
1.1 mm (0.043 in.)
Chain sprocket
7-tooth for 3/8" P
Since new bar/chain combinations may
be developed after publication of this
Manual, ask your STIHL dealer for the
latest STIHL recommendations.
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