Special Accessories; Maintenance And Repairs - Stihl FS 90 Manual De Instrucciones

Displacement: 1.72 cu. in.
(28.4 cm
Bore: 1.50 in. (38 mm)
Stroke: 0.98 in. (25 mm)
Engine power to 1.3 hp (0.95 kW)
ISO 8893: at 7000 rpm
Idle speed: 2800 rpm
Cut-off speed (nomi-
nal value): 10500 rpm
Max. output shaft
speed (cutting attach-
ment mount): 7500 rpm
Valve clearance
Inlet valve: 0.004 in.
(0.10 mm)
Exhaust valve: 0.004 in.
(0.10 mm)
Ignition system
Electronic magneto ignition
Spark plug
(suppressed): Bosch USR 7 AC
Electrode gap: 0.02 in. (0.5 mm)
Fuel system
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 17.9 fl.oz (0.53 l)
Weight
dry, without cutting attachment and
deflector
FS 90: 12.8 lbs. (5.8 kg)
FS 90 R: 12.1 lbs. (5.5 kg)
FS 90, FS 90 R

Special Accessories

3
)
Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.

Maintenance and Repairs

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.
English
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