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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
Weight
Blades
Other Special Accessories
Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.
Displacement: 1.73 cu. in.
(28.4 cm
3
)
Bore: 1.5 in. (38 mm)
Stroke: 0.98 in. (25 mm)
Engine power to
ISO 8893:
1.3 hp (0.95 kW) at
7,000 rpm
Idle speed: 2,800 rpm
Cut-off speed
(rated): 10,500 rpm
Max. output shaft
speed (cutting
blade): 8,500 rpm
Valve clearance:
Inlet valve: 0.004 in. (0.10 mm)
Exhaust valve: 0.004 in. (0.10 mm)
Spark plug (resistor
type): Bosch USR 7 AC
Electrode gap: 0.02 in. (0.5 mm)
Fuel tank capacity: 17.9 fl.oz (0.50 L)
dry, with deflector
and blade 13.7 lbs (6.2 kg)
Special Accessories
Length Thickness Marking
8in.
(200 mm)
3/32 in.
(2.4 mm)
4133 / 01
8in.
(200 mm)
5/32 in.
(3.8 mm)
4133 / 02
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