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HL 90 K
English
26
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Weight
Cutting blades
Users of this unit should carry out only
the maintenance operations described
in this manual. STIHL recommends that
other repair work be performed only by
authorized STIHL servicing dealers.
Warranty claims following repairs can be
accepted only if the repair has been
performed by an authorized STIHL
servicing dealer using genuine STIHL
replacement parts.
Genuine STIHL parts can be identified
by the STIHL part number, the
{
logo and, in some cases, by
the STIHL parts symbol
K
. The
symbol may appear alone on small
parts.
Displacement:
1.73 cu. in.
(28.4 cm
3
)
Bore:
1.50 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):
9,500 rpm
Stroke rate at
9,500 rpm:
4,100 strokes/min
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 (0.53 l)
Dry, with drive tube
and cutting
attachment
12.6 lbs. (5.7 kg)
Type:
Double-edged for
bidirectional
cutting
Cutting length:
20 in. (500 mm)
Tooth spacing:
1 3/8 in. (35 mm)
Tooth height:
0.787 in.
(20 mm)
Sharpening angle:
45°
Maintenance and Repairs
Содержание HL 90
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