KA 85 R
English
52
Engine
Ignition System  
Electronic magneto ignition
Fuel System  
All position diaphragm carburetor with 
integral fuel pump
Weight  
Deflector
Guard kit 4138 007 1003 for mounting to 
and protecting the powerhead when the 
machine is put down. Also for resting the 
machine on the right thigh during 
operation.
Other Special Accessories
– STIHL ElastoStart (starter rope with 
grip)
The power tool comes standard with:
1 Safety glasses
1 Shoulder strap
1 Combination wrench
Contact your STIHL dealer for more 
information on these and other special 
accessories.
See also notes on special accessories in 
the instruction manual of the attachment 
you are using.
Specifications
Single cylinder two-stroke engine
Displacement: 25.4 cc
Bore: 34 mm
Stroke: 28 mm
Engine power to 
ISO 8893:
0.95 kW (1.3 HP) 
at 8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed 
(rated): 10,500 rpm
Spark plug (resistor 
type):
Bosch WSR 6 F
1)
, 
NGK BPMR 7 A, 
Champion 
RCJ 6 Y
1)
Electrode gap: 0.5 mm
1)
not available in Brazil
Fuel tank capacity: 440 cc (0.44 l)
Fuel mix: see chapter on 
"Fuel"
dry, without attachment
KA 85 R: 5.0 kg
Special Accessories