21 Specifications
18 Coupling sleeve
19 Wing screw
# Serial Number
21 Specifications
21.1
Engine
Single cylinder two-stroke engine
Displacement:
Bore:
Stroke:
Engine power to ISO 8893: 0.95 kW (1.3 bhp) at
Idle speed:
Cut-off speed (rated):
21.2
Ignition System
Electronic magneto ignition
Spark plug (resistor type): Bosch WSR 6 F,
Electrode gap:
21.3
Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
21.4
Weight
dry, without KombiTool
KM 85 R
21.5
Noise and Vibration Data
For further details on compliance with Vibration
Directive 2002/44/EC visit www.stihl.com/vib.
21.5.1
KombiTool
For version see "Approved KombiTools".
Noise and vibration data measurements include
idling and rated maximum speed in the following
ratios.
FCS‑KM, FCB‑KM, FS‑KM, FSB-
KM, FH‑KM and HT‑KM
HL‑KM
BF-KM, BK-KM, KB-KM, KW-KM,
BG-KM and SP-KM
The exact noise and vibration specifications
depend on the KombiTool being used and are
described in the KombiTool's instruction manual.
Sound pressure level L
ISO 22868
KM 85 R:
92 dB(A) ... 98 dB(A)
0458-462-8721-B
25.4 cc
34 mm
28 mm
8,500 rpm
2,800 rpm
10,500 rpm
NGK BPMR 7 A
0.5 mm
440 cc (0.44 l)
3.9 kg
1 to 1
1 - 4
1 - 6
to ISO 11201,
p
Sound power level L
w
KM 85 R:
106 dB(A) ... 109 dB(A)
Vibration level a
to ISO 11789, ISO 20643,
hv,eq
ISO 22867
Handle, left
KM 85 R:
2.9 m/s
Handle, right
KM 85 R:
3.8 m/s
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
2.0 m/s
for the vibration level.
21.6
REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorization and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation (EC) No. 1907/2006 see
www.stihl.com/reach
21.7
Exhaust Emissions
The CO
value measured in the EU type appro‐
2
val procedure is specified at
www.stihl.com/co2
in the product-specific technical data.
The measured CO
value was determined on a
2
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 mainte‐
nance described in this User Manual. The oper‐
ating license shall be void if the engine is modi‐
fied in any way.
22 Maintenance and Repairs
Users of this machine may only carry out the
maintenance and service work described in this
user manual. All other repairs must be carried
out by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
English
to ISO 22868, ISO 3744
2
2
... 7.3 m/s
2
2
... 7.5 m/s
39