KM 90 R
English
30
Ignition system
Electronic magneto ignition
Fuel system
All position diaphragm carburetor with
integral fuel pump
Weight
Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.
Users of this unit should carry out only
the maintenance operations described
in this manual. Other repair work may be
performed only by authorized STIHL
service shops.
Warranty claims following repairs can be
accepted only if the repair has been
performed by an authorized STIHL
servicing dealer using original STIHL
replacement parts.
Original 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: 1.5 in (38 mm)
Stroke: 0.98in (25mm)
Engine power to
ISO 8893:
1.3 bhp (0.95 kW)
at 7000 rpm
Idle speed: 2,800 rpm
Cut-off speed (nomi-
nal value): 10,500 rpm
Valve clearance
Inlet valve: 0.004 in
(0.10 mm)
Exhaust valve: 0.004 in
(0.10 mm)
Spark plug
(suppressed): Bosch USR 7AC
Electrode gap: 0.02 in (0.5 mm)
Fuel tank capacity: 18.0 fl.oz
(0.53 l)
without fuel. without KombiTool:
KM 90 R 9.9 lb (4.5 kg)
Special Accessories Maintenance and Repairs
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