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English
SPECIFICATIONS
MODEL
CH66EB2 (ST)/CH55EB2 (ST)
CH50EA2 (ST)/CH62EA2 (ST)
CH78EC2 (ST) CH78EB (C)
Engine Size (ml) 22 24 22
Spark Plug
NGK BPM-6A or BPMR-6A
Champion CJ-8Y or RCJ-8Y
NGK BPM-6A or BPMR-6A
Champion CJ-8Y or RCJ-8Y
NGK BPM-6A or BPMR-6A
Champion CJ-8Y or RCJ-8Y
Fuel Tank Capacity (l) 0.35 0.35 0.35
Dry Weight (kg)
CH55EB2 (ST) ................ 4.7
CH66EB2 (ST) ................ 5.1
CH50EA2 (ST) ................ 4.3
CH62EA2 (ST) ................ 4.5
5.4 4.9
Overall cutter length
(mm)
CH50EA2 (ST) ............... 500
CH66EB2 (ST) ................ 650
CH55EB2 (ST) ................ 550
CH62EA2 (ST) ................ 620
770 770
:○
Blade type
:
△
△△
○
Sound pressure level
LpA (dB(A))
(EN 27917)
CH66EB2 (ST) ................ 92.1
CH55EB2 (ST) ................ 93.6
CH50EA2 (ST)/CH62EA2 (ST)
.... 97.0
91.1 91.4
Sound power level
LwA (dB(A))
(2000/14/EC)
104 104 104
Vibration level (m/s
2
) (ISO 7916)
Front handle
Rear handle
CH66EB2 (ST) ................
4.5
CH55EB2 (ST) ................
4.2
CH50EA2 (ST)/CH62EA2 (ST)
....
5.1/6.5
CH66EB2 (ST) ................
5.2
CH55EB2 (ST) ................
12.3
CH50EA2 (ST)/CH62EA2 (ST)
....
11. 3/9. 2
7.6
6.2
3.5
5.3
NOTE
Equivalent noise level/vibration level are calculated as the time-weighted energy total for noise/vibration levels under various working
conditions with the following time distribution : 1/2 idle, 1/2 racing.
* All data subject to change without notice.
000BookCH50EA2.indb8000BookCH50EA2.indb8 2009/05/2919:33:032009/05/2919:33:03