replaced in good time. Among other parts, this
includes:
–
Clutch
–
Filters (air, fuel)
–
Rewind starter
–
Spark plug
21 Main Parts
17
16
15
13
14
11
12
11
10
7
9
8
250BA070
1
2
3
4
5
#
6
1 Tank cap
2 Carburetor adjusting screws
3 Starter grip
4 Spark plug boot
5 Muffler
6 Bike handle (handlebar)
7 Throttle trigger
8 Slide control
9 Throttle trigger lockout
10 Handle support
11 Throttle cable retainer
12 Carrying ring
13 Manual fuel pump
14 Choke knob
15 Air filter cover
16 Fuel tank
17 Machine support
# Serial number
22 Specifications
22.1
Engine
Single cylinder two-stroke engine
22.1.1
KA 120
Displacement:
30.8 cc
Bore:
35 mm
Stroke:
32 mm
Engine power to ISO 8893: 1.3 kW (1.8 bhp) at
9,000 rpm
Idle speed:
2,800 rpm
Cut-off speed (rated):
12,300 rpm
22.1.2
KA 250
Displacement:
40.2 cc
Bore:
40 mm
Stroke:
32 mm
Engine power to ISO 8893: 1.6 kW (2.2 bhp) at
9,000 rpm
Idle speed:
2,800 rpm
Cut-off speed (rated):
12,300 rpm
22.2
Ignition System
Electronic magneto ignition
Spark plug (resistor type): Bosch WSR 6 F,
NGK BPMR 7 A
Electrode gap:
0.5 mm
22.3
Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
640 cc (0.64 l)
22.4
Weight
dry, without attachment
KA 120:
5.7 kg
KA 250:
5.7 kg
22.5
Overall length
without attachment
KA 120:
1700 mm
KA 250:
1700 mm
22.6
Exhaust Emissions
The CO
2
value measured in the EU type approval
procedure is specified at www.stihl.com/co2.
The measured CO
2
value was determined on a
representative engine in accordance with a
standardized test procedure under laboratory
conditions and does not represent either an
explicit or implied guarantee of the performance
of a specific engine.
The applicable exhaust emission requirements
are fulfilled by the intended usage and mainte‐
nance described in this instruction manual. The
type approval expires if the engine is modified in
any way.
21 Main Parts
English
0458-516-0121-B
21
