44
English / USA
FS 300, FS 350, FS 400, FS 450, FS 480
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
Engine
STIHL single cylinder two-stroke engine
Displacement
FS 300: 1.88 cu.in (30.8 cm
3
)
FS 350: 2.45 cu.in (40.2 cm
3
)
FS 400: 2.45 cu.in (40.2 cm
3
)
FS 450: 2.70 cu.in (44.3 cm
3
)
FS 480: 2.96 cu.in (48.7 cm
3
Bore
FS 300: 1.38 in (35 mm)
FS 350: 1.57 in (40 mm)
FS 400: 1.57 in (40 mm)
FS 450: 1.65 in (42 mm)
FS 480: 1.73 in (44 mm)
Stroke
FS 300, 350, FS 400, 450, 480:
1.26 in (32 mm)
Engine power to ISO 8893
FS 300: 1.3 kW (1.8 bhp)
FS 350: 1.6 kW (2.2 bhp)
FS 400: 1.9 kW (2.6 bhp)
FS 450: 2.1 kW (2.8 bhp)
FS 480: 2.2 kW (3.0 bhp)
Max. engine speed
FS 300, 350: 12 300 rpm
FS 400, 450, 480: 12 500 rpm
Idle speed
2 800 rpm
Max. output shaft speed
(cutting tool)
FS 300, 350, 400, 400 L, 450, 450 L,
480, 480 L: 8 930 rpm
FS 400 K, 450 K, 480 K: 8 750 rpm
Ignition System
Type
electronic (breakerless) magneto
ignition with electronic speed governor
Spark plug (suppressed)
Bosch WSR 6 F, NGK BPMR 7 A or
Champion RCJ 6 Y (not all markets)
Electrode gap
0.02 in (0.5 mm)
Spark plug thread
M 14x1.25; 0.37 in (9.5 mm) long
Rewind Starter
Starter rope
FS 300, FS 350:
0.12 in dia. x 33.5 in (Ø 3.0 x 850 mm)
FS 400, 450, 480:
0.12 in dia. x 31.5 in (Ø 3.0 x 800 mm)
Dimensions
Overall length
without cutting tool
FS 300, 350, 400, 450, 480:
69.5 in (1 765 mm)
FS 400 K, 450 K, 480 K:
64.4 in (1 635 mm)
FS 400 L, 450 L, 480 L:
71.9 in (1 825 mm)
Carburetor
All position diaphragm carburetor with
integral fuel pump
Air Filter
Paper filter element
Fuel tank capacity
FS 300, 350: 1.35 US pt (0.64l)
FS 400, 450, 480: 1.42 US pt (0.67l)
Fuel miture
see chapter "Fuel"
Weight
without cutting tool and deflector
FS 300, 350: 15.4 lb (7.0 kg)
FS 400, 450, 480: 17.6 lb (8.0 kg)
FS 400 K/L, 450 K/L, 480 K/L:
17.8 lb (8.1 kg)
Specifications
