English / USA
Max. speed of
output shaft (cutting
tool mounting)
7,500 rpm
Ignition System
Type: Electronic magneto ignition
Spark plug
(suppressed):
Bosch WSR 6 F,
NGK BPMR 7 A
or Champion
RCJ 6Y
Electrode gap:
0.02 in (0.5 mm)
Spark plug thread:
M 14 x 1.25;
0.37 in (9.5 mm)
long
Fuel System
Carburetor: All position diaphragm
carburetor with integral fuel pump
Air filter:
Foam and felt
elements
Fuel tank capacity:
0.93 US.pt
(0.44 l)
Fuel mix:
See "Fuel"
52
Rewind Starter
Starter rope:
0.11 in (2.7 mm) dia. x
35.8 in (910 mm) long
Weight
without cutting tool and deflector
1)
FS 80 R
10.8 lb (4.9 kg)
2)
FS 80
11.5 lb (5.2 kg)
1)
FS 85 R
11.0 lb (5.0 kg)
2)
FS 85
11.7 lb (5.3 kg)
1)
FS 85 RX
10.6 lb (4.8 kg)
1)
Version with loop handle
2)
Version with bike handle
Special Accessories
Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.
FS 80, FS 80 R, FS 85, FS 85 R