Owner's Manual

32
English / USA
FC 55
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
CARB:
The Emission Compliance Period used
on the CARB Air Index Label indicates
the terms:
Extended = 300 hours,
Intermediate = 125 hours,
Moderate = 50 hours
Engine
Ignition system
Fuel system
Weight
* see “Guide to Using this Manual”
Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.
Single cylinder two-stroke engine
Displacement: 1.66 cu.in
(27.2cm
3
)
Bore: 1.34 in (34 mm)
Stroke: 1.18 in (30 mm)
Engine power
to ISO 8893: 1 bhp (0.75 kW)
Idle speed: 2.800 rpm
Max. engine speed: 9.500 rpm
Max. output shaft
speed (blade): 7.700 rpm
Specifications
Type: Electronic (breakerless)
magneto ignition
Spark plug
(suppressed): Bosch WSR 6 F,
NGK BPMR 7 A
or Champion
RCJ 6Y
Electrode gap: 0.02 in (0.5 mm)
Spark plug thread: M 14 x 1.25;
0.37 in (9.5 mm)
long
Carburetor:
All-position diaphragm carburetor with
integral fuel pump
Air filter: Felt elements
Fuel tank capacity: 0.70 US.pt*
(0.33 L)
Fuel mixture: See chapter
"Fuel"
with deflector and
cutting blade 12.8 Ib (5.8 kg)
Special Accessories