Technical data
TD00740en.fm 38
1
) Data takes the operating states idle and top speed equally into consideration.
2
) Peripheral speed at the highest engine speed.
3
) Outer diameter/centre bore/thickness.
4
) At the working area (operator's ear).
5
) Only use synthetic 2-cycle engine oil of the specification JASO FC. or ISO L-EGD!
BTS 1140L3
Item no. 0610063
Engine displacement cm
3
(cu in) 81 (4.9)
Bore mm (in) 52 (2.05)
Stroke mm (in) 38 (1.50)
Max. performance kW (hp) 4.5 (6.2)
Max. torque Nm (ft.lbs.) 5.2 (3.8)
Idle speed rpm 2,500
Clutch engaging speed rpm 3,800
Limiting speed rpm 9,350
Nominal spindle speed rpm 3,750
Sound pressure level L
pA eq
according to EN 1454
1) 4)
dB(A) 98.3
Sound power level L
WA
108 dB(A)
Vibrational acceleration a
h,w
according to EN 1454
- Bow handle grip (idle/nominal spindle speed)
- Handle (idle/nominal spindle speed)
m/s
2
5.6 / 6.3
8.8 / 6.0
When using the guide cart FBTS:
Vibrational acceleration a
h,w
according to EN 1454
(for the guide cart)
m/s
2
2.5
Ignition system (with maximum rpm limitation) Type Electronic
Spark plug Type NGK BPMR 7A
/ BOSCH
WSR 6F /
CHAMPION
RCJ 6Y
Spark plug air gap mm (in) 0.5 (.020)
Fuel consumption at max. capacity according to
ISO 8893
l/h (US qt/h) 2.9 (3.2)
Special consumption at max. capacity according to
ISO 8893
g/kWh
(oz./hph)
500
(13)
Fuel tank capacity l (US qt) 1.1 (1.2)
Gasoline/2-cycle oil mixing ratio
5
)
50:1
Cutting blade for max. 80 m/s
2
)
mm
(in)
400/25.4/5
3)
(16/1/0.2)
Spindle diameter mm (in) 25.4 (1.0")
Weight of cut-off saw
(empty tank, without cutting blade)
kg (lb) 10.6 (23.4)