HT 250
English
39
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
Engine
STIHL single cylinder four-stroke engine
with mixture lubrication
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Weight
Cutting attachments
Rollomatic E Mini guide bar
Actual cutting length will be less than
listed bar length.
Rollomatic E Mini Light guide bars
Actual cutting length will be less than
listed bar length.
Saw chain 3/8" P
Chain sprocket
Since new bar/chain combinations may
be developed after publication of this
Manual, ask your STIHL dealer for the
latest STIHL recommendations.
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 2.45 cu.in
(40.2 cc)
Bore: 1.57 in (40 mm)
Stroke: 1.26 in (32 mm)
Engine power to
ISO 8893:
2.1 bhp (1.6 kW)
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
Spark plug (resistor
type): NGK BPMR 7 A
Electrode gap: 0.02 in (0.5 mm)
Fuel tank capacity: 21.6 fl.oz (0.640 l)
Oil tank capacity: 4.1 fl.oz (0.12 l)
Weight (dry, without bar and chain):
HT 250: 13.0 lbs (5.9 kg)
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.)
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.)
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.)
7-tooth for 3/8" P
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