Instruction Manual

FS 131, FS 131 R
English
41
Engine
STIHL single cylinder four-stroke engine
with mixture lubrication
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Weight
Overall length
Features
Noise and Vibration Data
For further details on compliance with
Vibration Directive 2002/44/EC see
www.stihl.com/vib.
Cutting Attachment
Noise and vibration data measurements
include idling and rated maximum speed
with the same duration of exposure.
Sound pressure level L
peq
to ISO 7917
Sound power level L
w
to ISO 10884
Vibration measurement a
hv,eq
to
ISO 7917
Interchangeable Attachments
The noise and vibration data of the
approved attachments are listed in the
instructions supplied with each
attachment.
The K-factor in accordance with
Directive 2006/42/EC is 2.0 dB(A) for
the sound pressure level and sound
power level; the K-factor in accordance
with Directive 2006/42/EC is 2.0 m/s
2
for the vibration level.
Specifications
Displacement: 36.3 cc
Bore: 43 mm
Stroke: 25 mm
Engine power to
ISO 8893:
1.4 kW (1.9 bhp)
at 8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed (rated): 9,500 rpm
Max. output shaft
speed (cutting
attachment): 7,150 rpm
Valve clearance
Inlet valve: 0.10 mm
Exhaust valve: 0.10 mm
Spark plug (resistor
type): NGK CMR 6 H
Electrode gap: 0.5 mm
Fuel tank capacity: 710 cc (0.71 l)
Dry, without cutting attachment and
deflector
FS 131: 5.8 kg
FS 131 R: 5.5 kg
without cutting
attachment 1800 mm
R Loop handle
with mowing head
FS 131 with bike handle: 98 dB(A)
FS 131 R: 98 dB(A)
with metal mowing
attachment
FS 131 with bike handle: 97 dB(A)
FS 131 R with barrier bar: 97 dB(A)
with mowing head
FS 131 with bike handle: 109 dB(A)
FS 131 R: 109 dB(A)
with metal mowing
attachment
FS 131 with bike handle: 109 dB(A)
FS 131 R with barrier bar: 109 dB(A)
with mowing head
Handle,
left
Handle,
right
FS 131 with bike
handle: 4.9 m/s
2
4.9 m/s
2
FS 131 R: 6.2 m/s
2
6.2 m/s
2
with metal mow-
ing attachment
Handle,
left
Handle,
right
FS 131 with bike
handle: 3.7 m/s
2
3.4 m/s
2
FS 131 R with
barrier bar: 5.1 m/s
2
5.1 m/s
2