Specifications; Special Accessories - Stihl FS 90 Instruction Manual

Specifications

EPA / CEPA:
The Emission Compliance Period
referred to on the Emissions
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
Category:
A = 300 hours,
B = 125 hours,
C = 50 hours
CARB:
The Emission Compliance Period used
on the CARB-Air Index Label indicates
the terms:
Extended = 300 hours,
Intermediate = 125 hours,
Moderate = 50 hours
STIHL single cylinder four-stroke
engine with gas-oil lubrication
Displacement: 1.73 cu.in (28.4 cm
Bore: 1.50 in (38 mm)
Stroke: 0.98 in (25 mm)
Engine power to ISO 8893:
1.3 bhp (0.95 KW)
Idle speed: 2,800 rpm
Engine cut-off speed: 10,500 rpm
Max. output shaft speed
(cutting tool drive): 7,500 rpm
FS 90, FS 90 R
Valve clearance
Inlet valve: 0.004 in (0.10 mm)
Exhaust valvel: 0.004 in (0.10 mm)
Fuel tank capacity
18.0 fl.oz (0.53 l)
Spark plug (resistor type)
Bosch USR 7AC
– Electrode gap 0.02 in (0.5 mm)
Starter rope
0.12 in (3.0 mm) dia.,
33.5 in (850 mm) long
Weight
(dry, without cutting tool and deflector)
3
)
FS 90 with bike handle:
12.8 lbs (5.8 kg)
FS 90 R with loop handle:
12.1 lbs (5.5 kg)
English / USA

Special Accessories

Contact your STIHL dealer for
information regarding special
accessories that may be available for
your product.
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