English / USA
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
Engine
STIHL 4-MIX engine
Displacement:
3.95 ci (64.8 cm
Bore:
2,55 in (50 mm)
Stroke:
1.3 in (33 mm)
Idle speed:
2 500 rpm
32
Ignition System
Type:
Spark plug
(suppressed):
Electrode gap:
Fuel System
Carburetor:
Fuel tank capacity:
Fuel mix:
Rewind Starter
Starter rope:
0.14 in dia. x 37.8 in
3
)
(3,5 mm dia. x 960 mm)
Weight
Electronic
BR 500
magneto ignition
BR 550
BR 600
NGK CMR 6 H
0.028 in (0,7 mm)
Air flow rate
with nozzle
BR 500
All position
BR 550
diaphragm
BR 600
carburetor with
integral fuel
pump
Air velocity
47,3 fl.oz. (1,4 l)
with nozzle
see chapter
BR 500
"Fuel"
BR 550
BR 600
Bystander noise per
ANSI B 175.2-2000
BR 500
BR 550
BR 600
lbs. (kg)
21.8 (9,9)
21.4 (9,7)
20.9 (9,5)
3
CFM (m
/h)
477 (810)
530 (900)
712 (1210)
MPH (m/s)
181 (81)
199 (89)
201 (90)
dB (A)
65
73
75
BR 500, BR 550, BR 600