Owner's Manual

HT 56 C
English
41
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
CARB
The Emission Compliance Period used
on the CARB-Air Index Label indicates
the terms:
Engine
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
dry, without bar and chain
Cutting Attachment
Duromatic C guide bars
1/4" Rapid chains
Chain sprocket
Please ask your STIHL dealer for the
latest recommendations on new
bar/chain combinations developed after
publication of this instruction manual.
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Extended = 300 hours
Intermediate = 125 hours
Moderate = 50 hours
Single cylinder two-stroke engine
Displacement: 1.66 cu. in.
(27.2 cm
3
)
Bore: 1.34 in. (34 mm)
Stroke: 1, 18 in.
(30 mm)
Engine power to
ISO 8893:
1.1 hp (0.8 kW)
at 8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed (rated): 10,000 rpm
Spark plug (resistor
type): NGK CMR 6 H
Electrode gap: 0.02 in.
(0.5 mm)
Fuel tank capacity: 11.5 fl.oz (0.34 l)
Oil tank capacity: 7.4 fl.oz (0.22 L)
HT 56 C: 14.8 lbs (6.7 kg)
Cutting length: 10 in (25 cm)
Pitch: 1/4" (6.36 mm)
Groove width: 0.050 in (1.3 mm)
Rapid Micro Special (13 RMS)
Pitch: 1/4" (6.36 mm)
Drive link gauge: 0.050 in (1.3 mm)
8-tooth for 1/4" (spur sprocket)