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Technical Information 08.2005
TI_08_2005_11_01_02.fm
2.
Specifications
2.1
Engine
2.2
Fuel system
Carburetor
All-position diaphragm carburetor with limiter caps
on the high-speed adjusting screw (H) and the low-
speed adjusting screw (L) and integrated fuel pump.
Standard setting with limiter caps
Basic setting without limiter caps
Fuel tank capacity
1.4 l (1400 cm³)
2.3
Ignition system
BR 500
BR 550
BR 600
Displacement
64.8 cm
3
Cylinder bore
50 mm
Piston stroke
33 mm
Idle speed
2,500 rpm
Operating speed with nozzle
5,500 rpm
6,100 rpm
7,200 rpm
Maximum air flow
1,380 m³/h
1,490 m³/h
1,720 m³/h
Air flow with nozzle
810 m³/h
900 m³/h
1,210 m³/h
Air velocity
81m/s
89 m/s
90 m/s
Sound pressure level L
peq
according
to EN ISO 11201
1)
86 dB(A)
92 dB(A)
96 dB(A)
Sound power level L
weq
according
to ISO 3744
1)
95 dB(A)
103 dB(A)
105 dB(A)
Vibration acceleration a
eq
to ISO 8662
1)
Idle speed
1.7 m/s
2
1.5 m/s
2
1.7 m/s
2
at max. RPM
1.4 m/s
2
1.6 m/s
2
1.8 m/s
2
Weight 9.9 kg
9.7 kg
9.5 kg
1
) Weighted equivalent level includes idling, full load and racing with the same duration of exposure
Low-speed adjusting screw L: 3/4 turn open
(max. to stop)
High-speed adjusting screw H: 3/4 turn open
(max. to stop)
Low-speed adjusting screw L: 2 turn open
High-speed adjusting screw H: 3 1/2 turn open
Ignition module:
Microprocessor-
controlled with
adjustment of the
ignition timing
Spark plug (suppressed): NGK CMR 6 H
Electrode gap:
0.7 mm