HL 91 K
English
24
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
Single cylinder two-stroke engine
Ignition System
Electronic magneto ignition
This spark ignition system meets all
requirements of the Canadian
Interference-Causing Equipment
Standard CAN ICES-2/NMB-2.
Fuel System
Weight
Cutting blade
Users of this machine may only carry out
the maintenance and service work
described in this user manual. All other
repairs must be carried out by a
servicing dealer.
STIHL recommends that you have
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer. STIHL dealers are
regularly given the opportunity to attend
training courses and are supplied with
the necessary technical information.
When repairing the machine, only use
replacement parts which have been
approved by STIHL for this power tool or
are technically identical. Only use high-
quality replacement parts in order to
avoid the risk of accidents and damage
to the machine.
STIHL recommends the use of original
STIHL replacement parts.
Original STIHL parts can be identified by
the STIHL part number, the {
logo and the STIHL parts symbol K
(the symbol may appear alone on small
parts).
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 24.1 cc
Bore: 35 mm
Stroke: 25 mm
Engine power to
ISO 8893:
0.9 kW (1.2 bhp)
at 8,000 rpm
Idle speed: 2,800 rpm
Cut-off speed
(rated): 9,300 rpm
Spark plug (resistor
type): NGK CMR6H
Electrode gap: 0.5 mm
Fuel tank capacity: 540 cc (0.54 l)
Dry weight with 0° gearbox, 600 mm,
with cutter guard
HL 91 K: 5.1 kg
Type: Double-edged for
bidirectional
cutting
Cutting length: 600 mm
Tooth spacing: 34 mm
Tooth height: 22 mm
Sharpening angle: 45° to horizontal
Maintenance and Repairs
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