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• The data shown above are those in the case of one straight pipe.
• Specifications are subject to change without notice.
MODEL 330BT 350BT 350BF 370BTS 370BFS 380BTS 380BFS
Dimensions (L x W x H)
mm (in)
295x387x432
(11.6x15.2x17)
351x446x479
(13.8x17.6x18)
351x487x479
(13.8x19.2x18)
365x464x485
(14x18x19)
365x496x485
(14x20x19)
410x509x497
(16.1x20x19.6)
410x550x497
(16.1x21.7x19.6)
Dry Weight kg (lbs)
(including pipe)
6.75 (14.9) 10.2 (22.5) 10.4 (22.9) 12 (26.5) 12.2 (26.9) 13.2 (29.1) 13.4 (29.5)
Dry Weight kg (lbs)
(without accessories)
6.1 (13.4) 9.5 (20.9) 11.2 (24.7) 12.4 (27.3)
Fuel Tank Capacity liter
(fl. oz)
0.9 (30.4) 1.25 (42.3) 1.75 (60.0) 2.13 (72.0)
Engine Type
Air cooled 2-cycle gasoline engine
Piston Displacement
cu. cm (cu. in)
29.5 (1.8) 50.2 (3.1) 64.9 (4.0) 71.9 (4.4)
Air Filter
Single
stage filter
Single stage filter
(half wet)
2-stage fresh flow filter system
Carburetor (Dia-
phragm) valve type
Rotary
Ignition System
CDI Digital Ignition
Spark Plug
NGK CMR7H
Muffler
Spark arrester equipped
Idle speed rpm
3000 2200 2000
Operating Engine
Speed rpm
3000 to
6700
2200 to 6100 2000 to 6900 2000 to 6700
Fuel Consumption
liter/h (fl. oz/h)
0.58 (19.6) 1.04 (35.2) 1.6 (54.1) 1.85 (62.6)
Average Air Volume (w/std
Pipe) cu. m/min (cf/m)
10.2 (360) 14 (494) 16 (565) 19.4 (685)
Average Air Volume (@
housing) cu. m/min (cf/m)
12.2 (431) 19.6 (692) 21.0 (742) 25.9 (915)
Air velocity m/sec (mph)
(Maximum)
65 (145) 80 (180) 88 (198) 90 (201)
Noise Level (50 Feet ANSI
B175.2-2000) dB(A)
69 71 76 77
Sound power level
EC directive 2000/14/
EC, measured dB (A)
102 104 110 109
Sound power level
EC directive 2000/14/
EC, guaranteed dB (A)
102 104 110
Noise pressure level at
the operator’s ear (LpAeq)
prEN15503 (ISO7917) dB (A)
90 94 95 (ISO7917)
100
Vibration level at idle,
right handle
prEN15503 (ISO7916) m/s
2
1.9
2.9
2.3
0.8
(ISO7916)
1.4
(ISO7916)
2.2 2.6
Vibration level at max,
speed, right handle
prEN15503 (ISO7916) m/s
2
2.6
2.1
2.5
3.9
(ISO7916)
4.3
(ISO7916)
3.5 4.5
Technical data