Instruction Manual

Table Of Contents
Damage to the machine resulting from the use
of poor quality replacement parts.
17.2 Parts Subject to Wear and Tear
Some parts of the power tool are subject to nor‐
mal wear and tear even during regular operation
in accordance with instructions and, depending
on the type and duration of use, have to be
replaced in good time. Among other parts, this
includes:
Cutting blades
Clutch
Filters (air, fuel)
Rewind starter
Spark plug
Components of antivibration system
18 Main Parts
7
18
17
19
13
14
15
16
12
9
10
11
8
6
3
2
1
4
5
253BA026 KN
1 Rear Handle
2 Throttle Trigger Lockout
3 Throttle Trigger
4 Fuel Tank
5 Air Filter Cover
6 Idle Speed Screw (LA)
7 Screw Plug
8 Front Handle
9 Stop Switch
10 Lock Button
11 Starter Grip
12 Fuel Tank Cap
13 Muffler
14 Spark Plug Boot
15 Manual Fuel Pump
16 Choke Lever
17 Cutter Guard
18 Cutting Blades
19 Blade Scabbard
19 Specifications
19.1 Engine
STIHL single cylinder two-stroke engine
Displacement:
27.2 cc
Bore: 34 mm
Stroke: 30 mm
Engine power to ISO 7293: 0.75 kW (1 bhp) at
8,500 rpm
Idle speed: 2,800 rpm
Cut-off speed: 10,300 rpm
19.2 Ignition System
Electronic magneto ignition
Spark plug (resistor type): NGK CMR6H
Electrode gap: 0.5 mm
19.3 Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
225 cc (0.225 l)
19.4 Weight
complete with cutting attachment, dry
450 mm blade: 4.7 kg
600 mm blade: 5.0 kg
19.5 Cutting Blades
Sharpening angle to horizontal: 35°
19.6 Noise and Vibration Data
For further details on compliance with Vibration
Directive 2002/44/EC see www.stihl.com/vib.
19.6.1 Sound pressure level L
p
to ISO 22868
450 mm blade: 97 dB(A)
600 mm blade: 97 dB(A)
19.6.2 Sound power level L
w
to ISO 22868
450 mm blade: 107 dB(A)
600 mm blade: 107 dB(A)
English 18 Main Parts
16 0458-253-0121-D