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FB 131
English
30
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Weight
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
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.
For repairs of any component of this
unit’s air emissions control system,
please refer to the air emissions
systems warranty in this manual.
Observe all country-specific waste
disposal rules and regulations.
STIHL products must not be thrown in
the garbage can. Take the product,
accessories and packaging to an
approved disposal site for environment-
friendly recycling.
Contact your STIHL servicing dealer for
the latest information on waste disposal.
Cut-off speed
(rated):
9,500 rpm
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: 24.5 fl.oz (0.71 l)
dry, with deflector
and blade
17.2 lbs (7.8 kg)
Maintenance and Repairs
Disposal
000BA073 KN