Stihl FS 131 User Manual

FS 131, FS 131 R
English
48
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Weight
Overall length
Features
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.
Cut-off speed (rated): 9,500 rpm
Max. output shaft
speed (cutting
attachment): 7,150 rpm
Valve clearance
Inlet valve: 0.10 mm
(0.004 in)
Exhaust valve: 0.10 mm
(0.004 in)
Spark plug (resistor
type): NGK CMR 6 H
Electrode gap: 0.5 mm (0.02 in)
Fuel tank capacity: 0.71 L (24 fl.oz)
Dry, without cutting attachment and
deflector
FS 131: 5.8 kg (12.8 lbs)
FS 131 R: 5.5 kg (12.1 lbs)
without cutting
attachment 1800 mm (71 in)
R Loop handle
Z Spark arresting screen in muffler
Maintenance and Repairs

Stihl FS 131 Specifications

General

Type	Brush cutter
Cordless	Yes
Head type	Blade
Handle type	U-type handle
Engine power	1.9 hp
Product color	Black, Metallic, Orange
Uncertainty K	2 m/s²
Rotational speed	8500 RPM
Number of strokes	4
Sound power level	109 dB
Fuel tank capacity	0.71 L
Vibration emission	4.9 m/s²
Engine displacement	36.3 cm³
Sound pressure level	98 dB
Cutting diameter (max)	- mm
Power source	Gasoline

Weight and Dimensions

Length	1800 mm
Weight	5800 g