Instruction Manual
GS 461
English
30
Engine
STIHL single cylinder two-stroke engine
Ignition system
Electronic magneto ignition
Fuel system
All-position diaphragm carburetor with
integral fuel pump
Weight
Bar and chain GS 461
The actual cutting length can be less
than the specified cutting length.
Guide bar Rollomatic G
Diamond abrasive chains 3/8"
Chain sprockets
Sound and vibration levels
When determining sound and vibration
levels, idling and full load are taken into
account in a ratio of 1:6.
For further details concerning
compliance with the Physical Agents
Directive Vibration 2002/44/EC, see
www.stihl.com/vib.
Sound pressure level L
peq
to ISO 11201
Sound power level L
weq
to ISO 11201
Vibration level a
hv,eq
to ISO 19432
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.
REACH
REACH is an EC regulation and stands
for the Registration, Evaluation,
Authorisation and Restriction of
Chemical substances.
For information on compliance with the
REACH regulation (EC) No. 1907/2006
see www.stihl.com/reach.
Exhaust Emissions
The CO
2
value measured in the EU type
approval procedure is specified at
www.stihl.com/co2.
The measured CO
2
value was
determined on a representative engine
in accordance with a standardized test
procedure under laboratory conditions
and does not represent either an explicit
or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission
requirements are fulfilled by the
intended usage and maintenance
described in this instruction manual. The
type approval expires if the engine is
modified in any way.
Specifications
Displacement: 76.5 cm
3
Cylinder bore: 52 mm
Piston stroke: 36 mm
Engine power
according to
ISO 7293:
4.3 kW (5.8 HP)
at 9800 rpm
Idling speed: 2500 rpm
Cut-off speed: 13500 rpm
Spark plug
(suppressed):
Bosch WSR 6 F,
NGK BPMR 7 A
Electrode gap: 0.5 mm
Fuel tank capacity: 780 cm
3
(0.78 l)
dry, without cutting attachment: 7.6 kg
Cutting lengths (3/8"
pitch) 30, 40 cm
Groove width: 1.6 mm
36 GBM, type 3210
Pitch: 3/8" (9.32 mm)
Drive link gauge: 1.6 mm
8-tooth for 3/8" (rim sprocket)
105 dB(A)
115 dB(A)
Handle,
left
Handle,
right
GS 461 4.5 m/s
2
4.0 m/s
2