Page 1
FS 120, 120 R, 250
Instruction Manual2 - 42
Page 2
English
Contents
1 Guide to Using this Manual.........................2
2 Safety Precautions and Working Techni‐
ques............................................................ 3
3 Approved Combinations of Cutting Attach‐
ment, Deflector, Handle and Harness.......12
4 Approved Power Tool Attachments.......... 13
5 Mounting the Bike Handle.........................13
6 Mounting the Loop Handle........................15
7 Adjusting the Throttle Cable......................16
8 Fitting the Carrying Ring........................... 17
9 Mounting the deflector.............................. 18
10 Mounting the Cutting Attachment..............19
11 Fuel........................................................... 22
12 Fueling...................................................... 23
13 Fitting the Harness....................................23
14 Balancing the Machine..............................25
15 Starting / Stopping the Engine.................. 26
16 Transporting the Unit................................ 28
17 Operating Instructions...............................30
18 Air filter......................................................31
19 Adjusting the Carburetor........................... 31
20 Spark Plug................................................ 32
21 Engine Running Behavior......................... 33
22 Lubricating the Gearbox............................33
23 Replacing the Starter Rope and Rewind
Spring........................................................34
24 Storing the Machine.................................. 35
25 Sharpening Metal Cutting Blades............. 36
26 Maintaining the Mowing Head...................36
27 Inspection and Maintenance by User........37
28 Inspections and Maintenance by Dealer...37
29 Maintenance and Care..............................38
30 Minimize Wear and Avoid Damage...........39
31 Main Parts.................................................40
32 Specifications............................................40
33 Maintenance and Repairs......................... 42
34 Disposal.................................................... 42
35 EC Declaration of Conformity................... 42
Dear Customer,
Thank you for choosing a quality engineered
STIHL product.
It has been built using modern production techni‐
ques and comprehensive quality assurance.
Every effort has been made to ensure your satis‐
faction and trouble-free use of the product.
Please contact your dealer or our sales company
if you have any queries concerning this product.
Your
Dr. Nikolas Stihl
1 Guide to Using this Manual
1.1 Pictograms
The meanings of the pictograms attached to the
machine are explained in this manual.
Depending on the model concerned, the follow‐
ing pictograms may be attached to your
machine.
Fuel tank; fuel mixture of gasoline
and engine oil
Operate decompression valve
Manual fuel pump
Operate manual fuel pump
Tube of grease
Intake air: Summer operation
Intake air: Winter operation
Handle heating
1.2 Symbols in text
WARNING
Warning where there is a risk of an accident or
personal injury or serious damage to property.
NOTICE
Caution where there is a risk of damaging the
machine or its individual components.
Original Instruction Manual
0000007280_017_GB
Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG 2022
0458-250-0121-F. VA1.B22.
1.3 Engineering improvements
STIHL's philosophy is to continually improve all
of its products. For this reason we may modify
2 0458-250-0121-F
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2 Safety Precautions and Working Techniques English
the design, engineering and appearance of our
products periodically.
Therefore, some changes, modifications and
improvements may not be covered in this man‐
ual.
2 Safety Precautions and
Working Techniques
Because the machine is a high-speed
fast-cutting power tool, special safety
precautions must be observed to
reduce the risk of personal injury.
It is important that you read and
understand the User Manual before
commissioning and keep it in a safe
place for future reference. Non-com‐
pliance with the User Manual may
cause serious or even fatal injury.
Observe all applicable local safety regulations,
e.g. by trade organizations, social insurance
institutions, labor safety authorities etc.
If you have never used a power tool before:
Have your dealer or other experienced user
show you how to operate your machine – or
attend a special course to learn how to operate
it.
Minors should never be allowed to use the
machine – except for apprentices over the age of
16 when working under supervision.
Children, animals and bystanders must remain at
a distance.
When not using the machine, it must be laid
down in such a way that it does not endanger
anyone. Ensure that the machine cannot be
used without authorization.
The user is responsible for accidents or risks
involving third parties or their property.
Do not lend or rent your power tool without the
User Manual. Be sure that anyone using it under‐
stands the information contained in this manual.
The use of machines that emit noise may be limi‐
ted to certain hours of the day as specified by
national and/or regional or local regulations.
Anyone operating the machine must be well res‐
ted, in good physical health and in good mental
condition.
If you have any condition that might be aggrava‐
ted by strenuous work, check with your doctor
before operating a machine.
If you have a pacemaker: The ignition system of
your machine produces an electromagnetic field
of very low intensity. This field may interfere with
some pacemakers. STIHL recommends that per‐
sons with pacemakers consult their physician
and the pacemaker manufacturer to reduce any
health risk.
Anyone who has consumed alcohol or drugs or
medicines affecting their ability to react must not
operate a power tool.
Depending on the cutting attachment fitted, use
your power tool only for cutting grass, wild
growth, shrubs, scrub, bushes, small diameter
trees and similar materials.
The machine must not be used for any other pur‐
poses – risk of accidents!
Only use cutting attachments and accessories
that are explicitly approved for this power tool
model by STIHL or are technically identical. If
you have any questions in this respect, consult
your dealer. Use only high quality parts and
accessories. in order to avoid the risk of acci‐
dents and damage to the machine.
STIHL recommends the use of original STIHL
tools and accessories. They are specifically
designed to match the product and meet your
performance requirements.
Never attempt to modify your power tool in any
way since this may increase the risk of personal
injury. STIHL excludes all liability for personal
injury and damage to property caused while
using unauthorized attachments.
Do not use a high-pressure washer to clean the
power tool. The solid jet of water may damage
parts of the unit.
The guard provided with your machine may not
protect the operator from all foreign objects
(gravel, glass, wire etc.) ejected by the revolving
cutting attachment. Ejected objects may also ric‐
ochet and strike the operator.
2.1 Clothing and equipment
Wear proper protective clothing and equipment.
Clothing must be sturdy but allow
complete freedom of movement.
Wear close-fitting clothes such as a
boiler suit, not a loose jacket.
Do not wear clothing which could
become trapped in wood, brush or
moving parts of the machine. Do not
wear a scarf, necktie or jewelry. Tie
0458-250-0121-F 3
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002BA079 KN
English 2 Safety Precautions and Working Techniques
up and confine long hair above your
shoulders.
Wear safety boots with steel toe caps
and non-slip soles.
Sturdy shoes with non-slip shoes are permissible
only when using mowing heads.
WARNING
To reduce the risk of eye injuries,
wear close-fitting safety glasses in
accordance with European Standard
EN 166. Make sure the safety
glasses are a snug fit.
Wear face protection and make sure it is a good
fit. Face protection alone is not sufficient to pro‐
tect the eyes.
Wear "personal" sound protection, e.g. ear
defenders.
Wear a safety hard hat for thinning operations,
when working in high scrub and where there is a
danger of head injuries from falling objects.
Wear sturdy protective gloves made
of a resistant material (e. g. leather).
STIHL can supply a comprehensive range of per‐
sonal protective equipment.
2.2 Transporting the machine
Always stop the engine.
Carry the machine hanging on the harness or by
the shaft so that it is balanced.
To reduce the risk of cut injuries, fit transport
guard on the cutting attachment, even when car‐
rying the tool for short distances – see also
"Transporting the Unit".
Avoid touching hot parts of the
machine and gearbox – risk of burns!
By vehicle: When transporting in a vehicle, prop‐
erly secure your machine to prevent turnover,
damage and fuel spillage.
2.3 Refueling
Gasoline is an extremely flammable
fuel. Keep clear of naked flames. Do
not spill any fuel – do not smoke.
Always shut off the engine before refueling.
Do not fuel a hot engine – fuel may spill and
cause a fire.
Open the fuel cap carefully to allow any pressure
build-up in the tank to release slowly and avoid
fuel spillage.
Only refuel the machine in a well ventilated
place. If fuel has been spilled, immediately clean
the machine – do not allow your clothes to be
splashed with fuel. If that happens, change your
clothes at once.
After refueling, close the fuel cap as
tightly as possible.
This helps reduce the risk of unit vibrations caus‐
ing an incorrectly tightened fuel cap to loosen or
come off and spill quantities of fuel.
Check for leaks. Do not start the engine if there
is a fuel leak – serious or fatal burns could result!
2.4 Before starting
Check that your power tool is properly assem‐
bled and in good condition – refer to appropriate
chapters in the User Manual.
Check the fuel system for leaks, especially the
–
visible parts, e. g., fuel cap, hose connections,
manual fuel pump (only in machines with a
manual fuel pump). In case of leakage and
damage, do not start the engine – risk of fire!
Have the machine serviced by a dealer before
using it
4 0458-250-0121-F
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002BA080 KN
2 Safety Precautions and Working Techniques English
Use only an approved combination of cutting
–
attachment, deflector, handle and harness. All
parts must be assembled properly and
securely
Slide control / stop switch must move easily to
–
STOP or 0
Throttle trigger lockout (if installed) and throttle
–
trigger must move easily – the throttle trigger
must return to the idle position automatically
Check that the spark plug boot is secure – a
–
loose boot may cause sparking that could
ignite combustible fumes and cause a fire!
Cutting attachment or interchangeable attach‐
–
ment: correctly fitted, secure and in perfect
condition
Safety devices (e. g., deflector for cutting
–
attachments, rider plate) for damage and/or
wear. Always replace damaged parts. Do not
use the machine with a damaged deflector or
worn rider plate (if the writing and arrows are
no longer discernible)
Never attempt to modify the controls or safety
–
devices
Keep the handles dry and clean – free from oil
–
and dirt – this is important for safe control of
the machine
Adjust the harness and handle(s) to suit your
–
height and reach Observe the chapter "Fitting
the Harness" – "Balancing the machine"
To reduce the risk of personal injury, do not
operate your power tool if it is damaged or not
properly assembled!
To prepare for emergencies when using a har‐
ness: Practice setting down the machine quickly.
To avoid damage, do not throw the unit to the
ground when practicing.
2.5 Starting the engine
Start the engine at least 3 meters from the fuel‐
ing spot, outdoors only.
Place the unit on firm ground in an open area.
Make sure you have good balance and secure
footing. Hold the unit securely. The cutting
attachment must be clear of the ground and all
other obstructions because it may begin to run
when the engine starts.
This is a one-person machine – ensure that there
is no-one within 15 meters of the machine, not
even when starting the power tool! Risk of injury
due to ejected objects!
Avoid contact with the cutting attach‐
ment – risk of injury!
Check engine idling: The cutting attachment
must remain at a standstill when the engine idles
– throttle trigger released.
Keep easily combustible materials (e. g., wood
chips, bark, dry grass, fuel) away from hot
exhaust gases and hot muffler surfaces – risk of
fire!
2.6 Holding and guiding the
Always hold the unit firmly with both hands on
the handles.
Make sure you always have good balance and
secure footing.
2.6.1 For versions with bike handle
Right hand on control handle, left hand on grip
on handlebar.
2.6.2 For versions with loop handle
For versions with loop handle and loop handle
with barrier bar, left hand on the loop handle,
right hand on the control handle – even if you are
left-handed.
Do not drop-start the power tool –
start the engine as described in the
User Manual. The cutting attachment
runs on for a short while after releas‐
ing the throttle trigger – coasting
effect!
machine
0458-250-0121-F 5
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15m (50ft)
English 2 Safety Precautions and Working Techniques
2.7 While working
Make sure you always have good balance and
secure footing.
In the event of impending danger or in an emer‐
gency, switch off the engine immediately - move
the slide control/stop switch to STOP or 0.
Within a wide area around the workplace, there
is a risk of accident by ejected objects, therefore
ensure that there is no-one within a 15 m radius
of the machine. This distance must also be main‐
tained in relation to objects (vehicles, window
panes) – risk of property damage! Even at a dis‐
tance over 15 m, danger cannot be ruled out.
Check that the engine is properly idling so that
the cutting tool will not continue rotating after you
release the throttle trigger.
Check and correct the idle speed setting at regu‐
lar intervals. If the cutting attachment still rotates
at idle speed, have your dealer make proper
adjustments or repairs. STIHL recommends you
have this work done by a STIHL servicing dealer.
Take special care in slippery conditions – damp,
snow, ice, on slopes or uneven ground.
Watch out for obstacles: tree stumps, roots – risk
of tripping or stumbling!
Only work while standing on the ground, never
on a ladder or mobile elevated work platform.
Be particularly alert and cautious when wearing
hearing protection because your ability to hear
warnings (shouts, alarms, etc.) is restricted.
Take breaks when you start getting tired or feel‐
ing fatigue – risk of accidents!
Work calmly and carefully – in daylight conditions
and only when visibility is good. Proceed with
caution, do not put others in danger.
As soon as the engine is running, the
power machine generates toxic
Stop work immediately if you start suffering from
nausea, headaches, impaired vision (e.g. your
field of vision gets smaller), impaired hearing,
dizziness, or impaired concentration – these
symptoms may possibly be the result of too-high
exhaust gas concentration – Risk of accidents!
Operate your power tool so that it produces a
minimum of noise and emissions – do not run the
engine unnecessarily, accelerate the engine only
when working.
To reduce the risk of fire, do not smoke while
operating or standing near your power tool. Com‐
bustible fuel vapor may escape from the fuel sys‐
tem.
Dust, fumes and smoke produced while working
may be hazardous to health. Wear respiratory
protection in case of heavy dust or smoke emis‐
sion.
If your power tool is subjected to unusually high
loads for which it was not designed (e.g. heavy
impact or a fall), always check that it is in good
condition before continuing work – see also
"Before Starting".
Check in particular that the fuel system has no
leaks and the safety equipment is fully operative.
Never use a power tool that is no longer safe to
operate. In case of doubt, contact a dealer.
Do not operate your power tool in the starting
throttle position – engine speed cannot be con‐
trolled in this position.
To reduce the risk of injuryfrom ejec‐
ted objects, never operate the unit
without the proper deflector for the
type of cutting attachment being
used.
Check the work site – rocks, metal
objects etc. may be caught up and
ejected – possibly over a distance of
15 m – risk of injury! – They can also
damage the cutting attachment and
other property (e. g. parking vehicles,
windows).
exhaust gas.As soon as the engine is
running, the power machine gener‐
ates toxic exhaust gas. These gases
may be odorless and invisible and
may contain unburned hydrocarbons
and benzene. Never run the engine
indoors or in poorly ventilated loca‐
tions, even if your model is equipped
with a catalytic converter.
To reduce the risk of serious or fatal injury from
breathing toxic fumes, ensure proper ventilation
Be particularly careful when working on difficult,
densely grown terrain.
When mowing in high shrubbery, under shrub‐
bery and hedges: Hold the cutting tool at a work‐
ing height of at least 15 cm – avoid risks to ani‐
mals.
Always shut off the engine before leaving the
unit unattended.
when working in trenches, hollows or other con‐
fined locations.
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2 Safety Precautions and Working Techniques English
Examine the cutting attachment periodically at
short intervals and as soon as you note any
noticeable changes:
Stop the engine, hold the machine securely,
–
allow the cutting attachment to come to a stop
Check condition and secure fitting; watch out
–
for cracks
Ensure that the cutting blades are sharp
–
Replace damaged or blunt cutting attachments
–
immediately, even in the event of minor hair‐
line cracks
Clean grass and plant residue off the cutting
attachment mounting at regular intervals –
remove any accumulated material from the cut‐
ting attachment and deflector.
To reduce the risk of injury, shut off the engine
before replacing the cutting attachment.
The gearbox gets hot during opera‐
tion. Never touch the gearbox – risk
of burns!
If a rotating cutting attachment touches a rock or
another hard object, sparks can be generated
which may possibly ignite combustible materials.
Also dried-out plants and brushwood are com‐
bustible, above all in hot and dry weather. If
there is a risk of fire, do not use cutting attach‐
ments in the vicinity of combustible materials,
dried-out plants or brushwood. It is mandatory
that you ask the responsible forestry office about
current fire hazards.
2.8 Using mowing heads
Extend the cutting attachment deflector with the
attached parts specified in the User Manual.
Only use a deflector with a properly fitted blade
that limits the mowing line to the permissible
length.
For manually adjustable mowing heads, always
switch off the engine before adjusting the mow‐
ing line – risk of injury!
Misuse with mowing lines that are too long
reduces the working speed of the engine. The
constant slipping of the clutch causes overheat‐
ing and damage to important components (e. g.
clutch, plastic housing parts) – e. g. due to the
cutting attachment rotating during idling – risk of
injury!
2.9 When using metal cutting attachments
STIHL recommends the use of original STIHL
metal cutting attachments. These have been
optimized for the machine and the user’s require‐
ments.
Metal cutting attachments rotate very fast, gener‐
ating forces acting on the attachments and on
the cuttings.
Metal cutting attachments must be sharpened in
regular intervals in accordance with the instruc‐
tions.
Unevenly sharpened metal cutting attachments
generate an imbalance which may cause
extreme loads on the machine – risk of break‐
age!
Dull or improperly sharpened cutting edges can
put a higher load on the cutting attachment and
increase the risk of injuryfrom cracked or broken
parts.
After each contact of the metal cutting attach‐
ment with hard objects (e.g. stones, rocks, metal
parts), check it for damage (e.g. tears and defor‐
mation). To reduce the risk of injury, remove
burrs and other visible accumulated material
because they may become detached and ejec‐
ted at high speed during operation.
Do not continue using or attempt to repair dam‐
aged or cracked cutting attachments by means
of welding, straightening or modifying the shape
(unbalanced).
Particles or pieces may come off and hit the
operator or a bystander at a high speed – risk of
most severe injuries!
To reduce the above-named risks involved in
operating a metal cutting attachment, ensure that
the diameter of your metal cutting attachment is
not too big. Also, the attachment must not be too
heavy. It must be made of high-quality materials
and have a suitable geometry (shape, thickness).
A metal cutting attachment not made by STIHL
must not have a different weight, thickness,
shape or a larger diameter than the largest
STIHL metal cutting attachment approved for this
metal cutting attachment – risk of injury!
2.10 Vibrations
Prolonged use of the power tool may result in
vibration-induced circulation problems in the
hands (whitefinger disease).
0458-250-0121-F 7
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English 2 Safety Precautions and Working Techniques
No general recommendation can be given for the
length of usage because it depends on several
factors.
The period of usage is prolonged by:
Hand protection (wearing warm gloves)
–
Work breaks
–
The period of usage is shortened by:
Any personal tendency to suffer from poor cir‐
–
culation (symptoms: frequently cold fingers,
tingling sensations).
Low outside temperatures.
–
The force with which the handles are held (a
–
tight grip restricts circulation).
Continual and regular users should monitor
closely the condition of their hands and fingers. If
any of the above symptoms appear (e.g. tingling
sensation in fingers), seek medical advice.
2.11 Maintenance and Repairs
Service the machine regularly. Do not attempt
any maintenance or repair work not described in
the instruction manual. Have all other work per‐
formed by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
Only use high-quality replacement parts in order
to avoid the risk of accidents and damage to the
machine. If you have any questions in this
respect, consult a servicing dealer.
STIHL recommends the use of genuine STIHL
replacement parts. They are specifically
designed to match your model and meet your
performance requirements.
To reduce the risk of injury, always shut off the
engine before carrying out any maintenance or
repairs or cleaning the machine. – Exception:
Carburetor and idle speed adjustments.
Do not turn the engine over on the starter with
the spark plug boot or spark plug removed
unless the slide control / stop switch is on STOP
or 0 since there is otherwise a risk of fire from
uncontained sparking.
To reduce the risk of fire, do not service or store
your machine near open flames.
Check the fuel filler cap for leaks at regular inter‐
vals.
Use only a spark plug of the type approved by
STIHL and make sure it is in good condition –
see "Specifications".
Inspect the ignition lead (insulation in good con‐
dition, secure connection).
Check the condition of the muffler.
To reduce the risk of fire and damage to hearing,
do not operate your machine if the muffler is
damaged or missing.
Do not touch a hot muffler since burn injury will
result.
Vibration behavior is influenced by the condition
of the AV elements – check the AV elements at
regular intervals.
2.12 Symbols on Deflectors
An arrow on the deflector shows the correct
direction of rotation of the cutting attachments.
Some of the following symbols are applied to the
outside of the deflector to indicate the approved
combination of cutting attachment and deflector.
Deflector may be used with mowing
heads.
Deflector must not be used with mow‐
ing heads.
Deflector may be used with grass cut‐
ting blades.
Deflector must not be used with grass
cutting blades.
Deflector may be used with brush kni‐
ves.
Deflector must not be used with brush
knives.
Deflector must not be used with
shredder blades.
Deflector must not be used with circu‐
lar saw blades.
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000BA015 KN
002BA049 KN
2 Safety Precautions and Working Techniques English
2.13 Harness / Strap
The harness is included in the scope of supply or
available as a special accessory.
The mowing head comes with an instruction leaf‐
let. Refill the mowing head with nylon line as
described in the instruction leaflet.
WARNING
To reduce the risk of serious injury, never use
wire or metal-reinforced line in place of the nylon
line.
2.15 STIHL Polycut Mowing Head with Polymer Blades
For mowing unobstructed edges of meadows
(without posts, fences, trees or similar obsta‐
► Use a shoulder strap.
► With the engine running, attach the machine to
the shoulder strap.
Grass cutting blades and brush knives
always be used in combination with a shoulder
strap.
Circular saw blades must always be used in
combination with a full harness with a quickrelease system.
must
cles).
Check the wear limit marks!
2.14 Mowing Head with Nylon Line
If one of the wear limit marks on the PolyCut
mowing head is worn through (arrow): Do not
continue using the mowing head. Install a new
one. There is otherwise a risk of injury from
thrown parts of the head.
It is important to follow the maintenance instruc‐
tions for the PolyCut mowing head.
The PolyCut can also be equipped with mowing
line in place of the polymer blades.
The mowing head comes with instruction leaflets.
Equip the mowing head with polymers blades or
nylon line as described in the instruction leaflets.
Nylon line achieves a soft cut for edging and
trimming around trees, fence posts, etc. – less
risk of damaging tree bark.
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002BA135 KN
000BA020 KN
002BA355 KN
English
WARNING
Never use wire in place of the nylon mowing line
– risk of injury.
2.16 Risk of Kickout (Blade Thrust)
with Metal Cutting Attachments
WARNING
When using metal cutting attach‐
ments there is a risk of kickout when
the rotating blade comes into contact
with a solid object such as a tree
trunk, branch, tree stump, rock or
similar. The machine is thrown to the
right or to the rear – opposite to the
attachment's direction of rotation.
The risk of kickout is greatest when the black
area of the rotating cutting attachment comes
into contact with a solid object.
2 Safety Precautions and Working Techniques
2.17 Grass Cutting Blade
Use for grass and weeds only – sweep the
brushcutter in an arc like a scythe.
WARNING
Improper use may damage the grass cutting
blade – risk of injury from thrown parts.
Resharpen the grass cutting blade according to
instructions when it has dulled noticeably.
2.18 Brush Knife
For cutting matted grass, wild growth and scrub
and thinning young stands with a stem diameter
of no more than 2 cm – do not cut thicker stems
– risk of accidents.
Use the brushcutter like a scythe (sweep it to the
right and left) at ground level when cutting grass
and thinning young stands.
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002BA509 KN
002BA068 KN
2 Safety Precautions and Working Techniques English
Before starting the cut, accelerate the engine up
to full throttle. Perform cut with uniform pressure.
Use circular saw blades only with a matching
limit stop of the correct diameter.
WARNING
To reduce the risk of blade damage, avoid con‐
tact with stones and the ground. Resharpen the
blade properly in good time – dull teeth may
result in the blade cracking and shattering and
To cut wild growth and scrub, lower the brush
knife down onto the growth to achieve a shred‐
ding effect – always keep the cutting attachment
below hip level during this process.
Exercise extreme caution when using this
causing serious injury.
When felling, maintain a distance of at least two
tree lengths from the next felling site.
2.19.1 Risk of kickout
method of cutting. The higher the cutting attach‐
ment is off the ground, the greater the risk of
injury from cuttings being thrown sideways.
Warning! Improper use of a brush knife may
cause it to crack, chip or shatter – risk of injury
from thrown parts.
To reduce the risk of injury it is essential to take
the following precautions:
Avoid contact with stones, rocks, pieces of
–
metal and other solid foreign objects.
Never cut wood or shrubs with a stem diame‐
–
ter of more than 2 cm – use a circular saw
blade for such work.
Inspect the brush knife at regular short inter‐
–
vals for signs of damage. Do not continue
working with a damaged brush knife.
Resharpen the brush knife regularly and
–
whenever it has dulled noticeably, and have it
balanced if necessary (STIHL recommends a
STIHL servicing dealer).
2.19 Circular Saw Blade
The risk of kickout is highest in the black area of
the blade: Do not use this area of the circular
saw blade for cutting.
There is also a risk of kickout when using the
lighter shaded areas of the blade: These areas
of the blade should only be used by experienced
operators with specialized training.
STIHL recommends that you use the non-sha‐
ded area of the circular saw blade. Always start
the cut with this area of the blade.
Suitable for cutting shrubs and trees with a maxi‐
mum stem diameter of 4 cm.
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0000079658_005
English 3 Approved Combinations of Cutting Attachment, Deflector, Handle and Harness
3 Approved Combinations of Cutting Attachment, Deflector, Han‐
dle and Harness
Cutting attachment Deflector, limit stop Handle Carrying strap
1)
2 STIHL AutoCut 25‑2 / AutoCut 27-2
3 STIHL AutoCut C 26‑2
4 STIHL AutoCut 36‑2
5 STIHL TrimCut 31‑2
6
STIHL TrimCut 32‑2
7 STIHL DuroCut 20‑2
8 STIHL PolyCut 28‑2
3.2.2 Metal cutting tools
9 Grass cutting blade 230‑2
(Ø 230 mm)
10 Grass cutting blade 260‑2
3.1 Permissible combinations
Choose the correct combination from the table
depending on the cutting tool!
For safety reasons only the cutting attachments,
deflector, handle and harness versions within
one line of the table may be combined with one
another. No other combinations are permitted
because of the risk of accidents!
3.2 Cutting attachments
3.2.1 Mowing heads
1 STIHL SuperCut 20‑2
1)
not approved for FS 250, 250 R
12 0458-250-0121-F
WARNING
Page 13
228BA032 KN
BF
0208BA075 KN
4 Approved Power Tool Attachments English
(Ø 260 mm)
11 Grass cutting blade 230‑4
(Ø 230 mm)
12 Grass cutting blade 230‑8
(Ø 230 mm)
13 Grass cutting blade 250‑40 Spezial
(Ø 250 mm)
14 Brush knife 250‑3
(Ø 250 mm)
15
Circular saw blade 200 scratcher tooth
(Ø 200 mm)
16 Circular saw blade 200-22 chisel tooth
(4112), circular saw blade 200-22 HP chisel
tooth (4001)
Interchangeable
Attachment
BF Pick tines
Application
5 Mounting the Bike Handle
5.1 Mounting the Handlebar
WARNING
Grass cutting blades, brush knives and circular
saw blades of other, non-metal materials must
not be used.
3.3 Deflectors, limit stop
17 Deflector for mowing heads
18 Deflector with
19 Skirt and blade for mowing heads
20 Deflector without skirt and blade for metal cut‐
ting attachments, items 9 to 14
21 Limit stop for circular saw blades
Do not rotate the control handle between
unpacking and mounting it on the handlebar; see
also chapter on "Adjusting the Throttle Cable".
3.4 Handle
22 Loop handle
23 Loop handlewith
24 Barrier bar
25 Bike handle
3.5 Shoulder straps
26 Shoulder strap must be used
27 Full harness can be used
28 Full harness must be used
4 Approved Power Tool
Attachments
The following STIHL attachment may be moun‐
ted to the basic power tool:
0458-250-0121-F 13
Page 14
3
A
7
8
4
1
2
0208BA009 KN
6
5
6
B
1
0000-GXX-1239-A1
6
1
3
4
5
6
250BA077 KN
2
English 5 Mounting the Bike Handle
on the left (viewing direction from engine to
handlebar)
► Place the clamp (7) on the handlebar support
► Insert the screws (8) through the holes in the
parts and screw them into the clamp (3) as far
as they will go
► Align the handlebar
► Tighten the screws
5.2 Mounting the Control Handle
► Fasten the handlebar (1) at a distance (A) of
approx. 40 cm (15 in) ahead of the engine
housing on the shaft (2)
► Position the clamp (3) and handle support (4)
on the sleeve (5) on the drive tube (2)
► Unscrew the screw (1) – the nut (2) remains in
the control handle (3)
► Push the control handle with the throttle trig‐
ger (4) facing toward the gearbox onto the end
of the handlebar (5) until the holes (6) align
► Insert and tighten screw (1)
► Place handlebar (1) in the handlebar support
so that the distance (B) is not more than
15 cm (6 in) – the rubber handle (6) must be
14 0458-250-0121-F
Page 15
2
1
2
2
1
0000-GXX-1240-A1
2
002BA098 KN
1
1
5
4
002BA099 KN
2
3
6
7
6 Mounting the Loop Handle English
5.3 Fastening the Throttle Cable
NOTICE
Do not kink the throttle cable or lay it in tight radii
– make sure the throttle trigger moves freely.
► Position the throttle cable retainer (2) and the
throttle cable (1) on the shaft
► Squeeze the throttle cable retainer (2). The
throttle cable retainer (2) engages in position
with an audible click
6 Mounting the Loop Handle
6.1 Mounting Loop Handle with
Barrier Bar
► Fit the square nuts (1) in the barrier bar (2);
the holes must line up.
5.4 Adjusting the throttle cable
► Check adjustment of throttle cable – see chap‐
ter on "Adjusting the Throttle Cable".
0458-250-0121-F 15
► Place the clamp (3) in the loop handle (4) and
position them both against the drive tube (5).
Page 16
7
8
5
4
1
6
1
3
8
7
002BA614 KN
9
4
A
002BA615 KN
English 7 Adjusting the Throttle Cable
► Position the clamp (6) against the drive tube.
► Place the barrier bar (2) in position as shown.
► Line up the holes.
► Insert the screws (7) in the holes and screw
them into the barrier bar (2) as far as stop.
► Go to "Securing the Loop Handle".
6.3 Securing the Loop Handle
6.2 Mounting the Loop Handle without Barrier Bar
The loop handle can be adjusted to suit the
height and reach of the operator and the applica‐
tion by changing distance (A).
Recommendation: distance (A): about 20 cm
(8 in)
► Slide the handle to the required position.
► Line up the loop handle (4).
► Place the clamp (3) in the loop handle (4) and
position them both against the drive tube (5).
► Position the clamp (6) against the drive tube.
► Line up the holes.
► Fit washers (8) on the screws (7) and insert
the screws in the holes. Fit the square nuts (1)
and screw them down as far as stop.
► Go to "Securing the Loop Handle".
► Tighten down the screws until the loop handle
can no longer be rotated on the drive tube. If
no barrier bar is fitted – lock the nuts if neces‐
sary.
The sleeve (9) (not fitted on all models) must be
between the loop handle and the control handle.
7 Adjusting the Throttle
Cable
7.1 Loop Handle
A properly adjusted throttle cable is the precondi‐
tion for correct operation in the starting throttle,
idle and full throttle positions.
Adjust the throttle cable only when the machine
is completely and properly assembled.
16 0458-250-0121-F
Page 17
002BA163 KN
2
1
002BA161 KN
002BA655 KN
1
002BA529 KN
8 Fitting the Carrying Ring English
8 Fitting the Carrying Ring
8.1 Polymer Version
► Use a suitable tool to push the slide to the end
of the slot (see illustration).
► Press down the trigger lockout (1) and
squeeze the throttle trigger (2) (full throttle
position) – this sets the throttle cable correctly.
7.2 Bike Handle
It may be necessary to correct the adjustment of
the throttle cable after assembling the machine
or after a prolonged period of operation.
For position of carrying ring see "Main Parts".
► Push the carrying ring (1) over the drive tube.
► Insert the M5 nut in the hex recess in the car‐
rying ring.
► Fit the M5x14 screw.
► Line up the carrying ring.
► Tighten down the screw firmly.
Adjust the throttle cable only when the machine
is completely and properly assembled.
► Set the throttle trigger to the full throttle posi‐
tion.
► Carefully rotate the screw in the throttle trigger
in the direction of the arrow until you feel initial
resistance. Then rotate it another half turn in
the same direction.
0458-250-0121-F 17
Page 18
002BA636 KN
2
1
3
3
002BA637 KN
1.
2.
002BA646 KN
002BA638 KN
English 9 Mounting the deflector
9 Mounting the deflector
9.1 Mounting the Deflector
9.2 Fitting the Skirt and Blade
WARNING
Risk of injury from thrown objects and contact
with the cutting attachment. These parts must be
fitted to the deflector (1) when you use a mowing
head.
9.3 Fitting the Skirt
► Slide the lower guide slot of the skirt onto the
deflector – it must snap into position.
9.4 Removing the Skirt
1 Deflector for mowing attachments
2 Deflector for mowing heads
Deflectors (1 and 2) are both mounted to the
gearbox in the same way.
► Place the deflector on the gearbox flange.
► Insert the screws (3) and tighten them down
firmly.
► Insert the stop pin into the hole in the skirt and
use it to push the skirt to the left.
► Pull the skirt off the deflector.
9.5 Mounting the Blade
18 0458-250-0121-F
► Slide the line limiting blade into the guide on
the skirt.
► Insert the screw and tighten it down firmly.
Page 19
7
002BA639 KN
6
002BA104 KN
2
002BA164 KN
1
3
4
5
2
002BA266 KN
10 Mounting the Cutting Attachment English
9.6 Mounting the Limit Stop
WARNING
Risk of injury from thrown objects and contact
with the cutting attachment. Always fit the limit
stop (6) when you use a circular saw blade.
► Position the limit stop (6) on the gearbox
flange.
► Insert the screws (7) and tighten them down
firmly.
10 Mounting the Cutting
Attachment
10.1 Placing power tool on the ground
Depending on the cutting attachment, it may be
necessary to use the nut (3), rider plate (4) and
thrust washer (5).
These parts are included in a kit supplied with
the machine and are also available as special
accessories.
10.2.2 Removing the transport lock
► Pull the hose (1) off the shaft (2).
10.2.3 Machine supplied without mounting
hardware
► Shut off the engine.
► Lay your power tool on its back so that the cut‐
ting attachment mounting face is pointing up.
10.2 Mounting Hardware for Cutting
The mounting hardware supplied depends on the
cutting attachment that comes as original equip‐
ment with the new machine.
10.2.1 Machine supplied with mounting hard‐
Mowing heads and metal cutting attachments
may be mounted.
0458-250-0121-F 19
Attachments
ware
Only mowing heads may be used which mount
directly to the shaft (2).
Page 20
6
7
2
002BA330 KN
6
3
4
2
271BA057 KN
1
5
1
002BA385 KN
English 10 Mounting the Cutting Attachment
10.3 Blocking the Shaft
► Take the thrust washer (3) off the shaft (4). Do
not remove the thrust plate (5).
10.5 Mounting the Cutting Attach‐
ment
WARNING
Use a deflector that matches the cutting attach‐
ment – see "Mounting the Deflector".
10.6 Fitting the mowing head with
The output shaft (2) must be blocked with the
stop pin (6) or screwdriver (6) to mount or
remove cutting attachments. These parts come
standard with the machine or are available as
special accessories.
► Insert the stop pin (6) or screwdriver (6) in the
hole (7) in the gearbox as far as stop – and
apply slight pressure.
► Rotate shaft, nut or cutting attachment until
the stop pin slips into position and blocks the
shaft.
Keep the supplement sheet for the mowing head
in a safe place.
screw mounting
10.4 Removing the Mounting Hard‐
ware
► Block the shaft.
► Use the combination wrench (1) to loosen and
remove the nut (2) clockwise (left-hand
thread).
► Fit the thrust plate
► Turn the mowing head anticlockwise on the
shaft (1) as far as it will go
► Retain the shaft
► Tighten the mowing head
NOTICE
Remove the tool that was used to block the
shaft.
10.7 Removing the Mowing Head
► Retain the shaft
► Turn the mowing head clockwise
20 0458-250-0121-F
Page 21
3
1
4
6
7
5
681BA042 KN
2
10
8
9
11
12
13
14
681BA161 KN
10 Mounting the Cutting Attachment English
10.8 Mounting Metal Cutting Attach‐
ments
Keep the leaflet and packaging of the metal cut‐
ting attachment in a safe place.
WARNING
Wear protective gloves to reduce the risk of
direct contact with the sharp cutting edges.
Mount only one metal cutting attachment.
Check direction of rotation of cutting attachment
WARNING
Direction of rotation is indicated by an arrow on
the inside of the deflector.
► Place the cutting attachment (8) on the thrust
plate (9).
WARNING
Collar (see arrow) must engage the cutting
attachment's mounting hole.
Cutting attachments 2, 4 and 5 may be mounted
either way round – they must be turned over reg‐
ularly to help avoid one-sided wear.
The cutting edges of cutting attachments 1, 3, 6
and 7 must point clockwise.
Securing the cutting attachment
► Fit the thrust washer (10) – convex side must
face up.
► Fit the rider plate (11).
► Block the shaft (12).
► Use the combination wrench (14) to screw the
mounting nut (13) on to the output shaft coun‐
terclockwise and tighten it down firmly.
0458-250-0121-F 21
Page 22
English 11 Fuel
WARNING
If the mounting nut has become too loose, fit a
new one.
NOTICE
Remove the tool used to block the shaft.
10.9 Removing the Metal Cutting Attachment
WARNING
Wear protective gloves to reduce the risk of
direct contact with the sharp cutting edges.
► Block the shaft.
► Unscrew the mounting nut clockwise.
► Remove cutting attachment and its mounting
hardware from the gearbox – but do not
remove the thrust plate (9).
11 Fuel
The engine requires a mixture of gasoline and
engine oil.
WARNING
Avoid direct skin contact with fuel and breathing
in of gasoline fumes.
11.1 STIHL MotoMix
STIHL recommends using STIHL MotoMix. This
pre-blended fuel is free of benzene and lead, is
distinguished by a high octane rating, and
always provides the proper mixing ratio.
STIHL MotoMix uses STIHL HP Ultra two-stroke
engine oil for optimum engine life.
MotoMix is not available in all markets.
11.2 Mixing fuel
NOTICE
Unsuitable fuels or a mixing ratio that deviates
from the specification can lead to severe engine
damage. The engine, seals, fuel lines and fuel
tank may be damaged if low-quality gasoline or
engine oil is used.
Gasoline with an alcohol component exceeding
10% can cause impaired engine performance in
engines with manually adjustable carburetors
and thus should not be used in these engines.
Engines with M-Tronic deliver full engine per‐
formance using gasoline with an alcohol compo‐
nent of up to 27% (E27).
11.2.2 Engine oil
If you mix the fuel yourself, use only STIHL twostroke engine oil or another high-performance
engine oil classified as JASO FB, JASO FC,
JASO FD, ISO-L-EGB, ISO-L-EGC or ISO-LEGD.
STIHL specifies STIHL HP Ultra two-stroke
engine oil or an equivalent high-performance
engine oil in order to maintain emission limits
over the machine’s service life.
11.2.3 Mixing ratio
with STIHL two-stroke engine oil 1:50; 1:50 =
1 part oil + 50 parts gasoline
11.2.4 Examples
Quantity of gaso‐
line
Liters Liters (ml)
1 0.02 (20)
5 0.10 (100)
10 0.20 (200)
15 0.30 (300)
20 0.40 (400)
25 0.50 (500)
► Pour oil into an approved safety fuel canister
first, then add gasoline and mix thoroughly
STIHL two-stroke
engine oil 1:50
11.3 Storing fuel mixture
Store in approved safety fuel canisters only in a
dry, cool and secure place protected against light
and sunlight.
Fuel mixture deteriorates with age – mix only as
much as needed for a few weeks. Do not store
fuel mixture for longer than 30 days. The fuel
mixture can become unusable more quickly if
exposed to light, sunlight or low or high tempera‐
tures.
STIHL MotoMix however can be stored for up to
5 years without any problems.
► Shake the canister containing the fuel mixture
thoroughly before refueling
11.2.1 Gasoline
Use only high-quality gasoline with an octane rat‐
ing of at least 90 ROC – leaded or unleaded.
22 0458-250-0121-F
Page 23
256BA060 KN
1
002BA441 KN
2
12 Fueling English
WARNING
Pressure may have built up in the canister –
open it carefully.
► The fuel tank and the canister in which fuel
mixture is stored should be cleaned thoroughly
from time to time
Residual fuel and the liquid used for cleaning
must be disposed of in accordance with regula‐
tions and without harming the environment!
12 Fueling
► Closing the Tank Cap
WARNING
After fueling, tighten down the filler cap as
securely as possible by hand.
13 Fitting the Harness
The type and style of the harness/shoulder strap
depend on the market.
The use of the shoulder strap is described in the
chapter on "Approved Combinations of Cutting
Attachment, Deflector, Handle and Harness".
13.1 Shoulder Strap
12.1 Preparations
► Before fueling, clean the filler cap and the area
around it to ensure that no dirt falls into the
tank.
► Position the machine so that the tank cap
faces up.
► Put on the shoulder strap (1).
► Adjust the length of the strap so that the cara‐
biner (2) is about a hand’s width below your
right hip.
► Balance the machine – see "Balancing the
Machine".
12.2 Filling Up with Fuel
Take care not to spill fuel while fueling and do
not overfill the tank. STIHL recommends you use
the STIHL filler nozzle for fuel (special acces‐
sory).
► Open the tank cap.
► Fill up with fuel.
0458-250-0121-F 23
Page 24
3
002BA228 KN
2
1
1
002BA660 KN
2
1
1
2
2
English 13 Fitting the Harness
13.2 Full Harness
13.3 Attaching Machine to Harness
► Put on the harness (1) and close the locking
plate (3).
► Adjust the length of the strap – with the
machine attached, the carabiner (2) must be
about a hand's width below your right hip.
► Balance the machine – see "Balancing the
Machine".
The type and style of the harness and carabiner
(spring hook) depend on the market.
► Attach the carabiner (1) to the carrying ring (2)
on the drive tube.
24 0458-250-0121-F
Page 25
002BA661 KN
2
1
1
1
2
2
002BA662 KN
1
2
002BA388 KN
14 Balancing the Machine English
13.4 Disconnecting Machine from Harness
► Loosen the screw (1).
► Slide the carrying ring (2) along the drive tube.
► Press down the bar on the carabiner (1) and
pull the carrying ring (2) out of the carabiner.
13.5 Throwing Off the Machine
► Tighten the screw moderately.
► Allow the unit to hang freely.
► Check the position obtained.
Balanced positions
WARNING
The machine must be quickly thrown off in the
event of imminent danger. Practice removing and
putting down the machine as you would in an
emergency. To avoid damage, do not throw the
unit to the ground when practicing.
Practice quickly detaching the power tool from
the carabiner as described under "Disconnecting
Machine from Harness".
If you are using a shoulder strap: Practice slip‐
ping the strap off your shoulder.
If you are using a full harness: Practice quickly
opening the locking plate and slipping the har‐
ness straps off your shoulders.
14 Balancing the Machine
Mowing tools such as mowing heads, grass cut‐
ting blades and brush knives
► should just touch the ground.
14.1 Balancing the Machine
The unit is balanced differently depending on the
cutting attachment used.
Proceed as follows until the conditions specified
under "Floating positions" have been met:
0458-250-0121-F 25
Page 26
002BA389 KN
START
3
STOP
5 6
4
7
002BA668 KN
1
2
3
STOP
2
5
6
4
7
002BA181 KN
START
STOP-
1
English 15 Starting / Stopping the Engine
15.1.2 Control handle on drive tube
Circular saw blades
► should "hover" about 20 cm (8 in) above the
ground.
When the correct floating position has been
reached:
► Tighten down the screw on the carrying ring
firmly.
15 Starting / Stopping the
Engine
15.1 Controls
15.1.1 Control handle on handlebar
1 Throttle trigger lockout
2 Throttle trigger
3 Slide control
15.1.3 Positions of slide control
4 STOP-0 – engine off – ignition is switched off
5
F – normal run position – the engine is running
or can start
6 START – ignition is switched on – the engine
can start
15.1.4 Symbol on slide control
7
h – stop symbol and arrow. To stop the
engine, push the slide control in the direction
of the arrow on the stop symbol (h) to
STOP-0.
15.2 Starting
► Press down the trigger lockout lever and
squeeze the throttle trigger
► and hold them in that position.
► Move the slide control to START and hold it
there.
► Now release the throttle trigger, slide control
and trigger lockout lever in that order. This is
the starting throttle position.
1 Throttle trigger lockout
2 Throttle trigger
3 Slide control
26 0458-250-0121-F
Page 27
250BA018 KN
9
8
002BA038 KN
002BA040 KN
002BA072 KN
15 Starting / Stopping the Engine English
NOTICE
Do not stand or kneel on the drive tube.
► Set the choke knob (8) to:
if the engine is cold
g
for warm start – also use this position if the
e
engine has been running but is still cold.
► Press the manual fuel pump bulb (9) at least
five times – even if the bulb is filled with fuel.
15.2.1 Cranking
► Hold the starter grip with your right hand.
► Pull the starter grip slowly until you feel it
engage and then give it a brisk strong pull.
NOTICE
Do not pull out the starter rope all the way – it
might otherwise break.
► Do not let the starter grip snap back. Guide it
slowly back into the housing so that the starter
rope can rewind properly.
► Continue cranking.
15.2.2 When engine begins to fire
►
Turn the choke knob to e.
► Continue cranking until the engine runs.
15.2.3 As soon as the engine runs
► Blip the throttle trigger
control moves to the normal run position F –
and the engine settles down to idle speed.
immediately. The slide
WARNING
Make sure the carburetor is correctly adjusted.
The cutting attachment must not rotate when the
engine is idling.
► Place the unit on the ground: It must rest
securely on the engine support and the deflec‐
tor.
► If fitted: Remove the transport guard from the
cutting attachment.
To reduce the risk of accidents, check that the
cutting attachment is not touching the ground of
any other obstacles.
► Make sure you have a firm footing, either
standing, stooping or kneeling.
► Hold the unit firmly on the ground with your left
hand and press down – do not touch the throt‐
tle trigger, lockout lever or slide control.
0458-250-0121-F 27
Your machine is now ready for operation.
15.3 Stopping the Engine
► Push the slide control in the direction of the
arrow on the stop symbol (h) to STOP-0.
15.4 At very low outside tempera‐
tures
As soon as the engine runs:
► Blip the throttle trigger to disengage the
ing throttle position. The slide control moves to
the normal run position F – and the engine set‐
tles down to idle speed.
start‐
Page 28
681BA268 KN
681BA269 KN
681BA270 KN
681BA272 KN
English 16 Transporting the Unit
► Open the throttle slightly.
► Warm up the engine for a short period.
16.2 230 mm Grass Cutting Blades
15.5 If the engine does not start
15.5.1 Choke knob
If you did not turn the choke knob to e quickly
enough after the engine began to fire, the com‐
bustion chamber is flooded.
►
Turn the choke knob to e.
► Select the starting throttle position.
► Start the engine by pulling the starter rope
briskly – 10 to 20 pulls may be necessary.
If the engine still does not start
► Push the slide control in the direction of the
arrow on the stop symbol (h) to STOP-0.
► Remove the spark plug – see "Spark Plug".
► Dry the spark plug.
► Open the throttle wide.
► Crank the engine several times with the starter
to clear the combustion chamber.
► Refit the spark plug – see "Spark Plug".
► Move the slide control to START.
►
Set the choke knob to e – even if the engine
is cold.
► Start the engine.
15.5.2 Throttle Cable Adjustment
► Check adjustment of throttle cable – see chap‐
ter on "Adjusting the Throttle Cable".
15.5.3 Fuel tank run until completely dry
Recommendation: Carry out the following steps
irrespective of the engine's operating condition
before the tank was run dry.
► After refueling, press the manual fuel pump
bulb at least five times – even if the bulb is fil‐
led with fuel.
►
Turn the choke knob to g.
► Go to section on "Starting" and re-start the
engine as described for a cold engine.
16 Transporting the Unit
16.1 Using Transport Guard
The type of transport guard depends on the
metal cutting attachment supplied with the
machine. Transport guards are available as spe‐
cial accessories.
28 0458-250-0121-F
Page 29
681BA268 KN
681BA269 KN
681BA271 KN
681BA272 KN
681BA301 KN
681BA275 KN
1.
2.
681BA305 KN
16 Transporting the Unit English
16.3 250 mm Brush Knives
16.4 Grass Cutting Blades up to 260 mm
► Disconnect wire rod from the transport guard.
► Swing wire rod outwards.
► Fit the transport guard on the cutting attach‐
ment from below.
0458-250-0121-F 29
Page 30
2.
681BA311 KN
681BA302 KN
681BA275 KN
1.
2.
681BA276 KN
681BA277 KN
2.
English 17 Operating Instructions
► Swing wire rod into position.
► Hook wire rod to the transport guard.
16.5 Circular Saw Blades
► Swing wire rod outwards.
► Fit transport guard on saw blade from below,
making sure the limit stop is properly seated in
the recess.
► Disconnect wire rod from the transport guard.
► Swing wire rod into position.
► Hook wire rod to the transport guard.
17 Operating Instructions
17.1 During break-in period
A factory-new machine should not be run at high
revs (full throttle off load) for the first three tank
fillings. This avoids unnecessary high loads dur‐
ing the break-in period. As all moving parts have
to bed in during the break-in period, the frictional
30 0458-250-0121-F
resistances in the engine are greater during this
period. The engine develops its maximum power
after about 5 to 15 tank fillings.
Page 31
250BA071 KN
255BA006 KN
H
L
255BA007 KN
LA
18 Air filter English
17.2 During Operation
After a long period of full throttle operation, allow
the engine to run for a short while at idle speed
so that engine heat can be dissipated by the flow
of cooling air. This protects engine-mounted
components (ignition, carburetor) from thermal
overload.
17.3 After Finishing Work
Storing for a short period: Wait for the engine to
cool down. Empty the fuel tank and keep the
machine in a dry place, well away from sources
of ignition, until you need it again. For longer outof-service periods – see "Storing the Machine".
18 Air filter
18.1 If there is a noticeable loss of engine power
19 Adjusting the Carburetor
19.1 General Information
The carburetor comes from the factory with a
standard setting.
This setting provides an optimum fuel-air mixture
under most operating conditions.
19.2 Preparations
► Shut off the engine.
► Mount the cutting attachment.
► Check the air filter and clean or replace if nec‐
essary.
► Check that the throttle cable is properly adjus‐
ted – readjust if necessary – see chapter on
"Adjusting the Throttle Cable".
19.3 Standard Setting
High speed screw (H) = 1 1/2
–
Low speed screw (L) = 1
–
► Turn the high speed screw (H) carefully clock‐
wise until it is against its seat, then turn it back
2 full turns.
► Turn the low speed screw (L) carefully clock‐
wise as far as stop, then turn it back 1 turn
19.4 Adjusting Idle Speed
► Carry out standard setting.
► Start and warm up the engine.
►
Turn the choke knob to g.
► Press in the tab (1) and remove the filter
cover (2).
► Clean away loose dirt from around the filter (3)
and inside the filter cover.
► Remove and check the filter element – replace
it if is dirty or damaged.
► Install the filter element in the filter cover.
► Refit the filter cover.
0458-250-0121-F 31
Page 32
250BA054 KN
000BA039 KN
A
English 20 Spark Plug
19.4.1 Engine stops while idling
► Turn the idle speed screw (LA) clockwise until
the engine runs smoothly – the cutting attach‐
ment must not rotate.
19.4.2 Cutting attachment rotates when
engine is idling
► Turn the idle speed screw (LA) counterclock‐
wise until the cutting attachment stops moving
and then turn the screw another 1/2 to 1 full
turn in the same direction.
WARNING
If the cutting attachment continues to rotate
when the engine is idling, have your machine
checked and repaired by your servicing dealer.
19.4.3 Erratic idling behavior, poor accelera‐
tion (even though setting of LA screw
is correct).
Idle setting is too lean
► Turn the low speed screw (L) counterclock‐
wise, no more than 1/2 turn, until the engine
runs and accelerates smoothly.
19.4.4 Erratic idling behavior
Idle setting is too rich
► Turn the low speed screw (L) clockwise, no
more than 1/2 turn, until the engine runs and
accelerates smoothly.
It is usually necessary to change the setting of
the idle speed screw (LA) after every correction
to the low speed screw (L).
19.5 Fine Tuning for Operation at
High Altitude
A slight correction of the setting may be neces‐
sary if the engine does not run satisfactorily:
► Carry out standard setting.
► Warm up the engine.
► Turn high speed screw (H) slightly clockwise
(leaner) – no more than a 3/4 turn.
NOTICE
After returning from high altitude, reset the car‐
buretor to the standard setting.
If the setting is too lean there is a risk of engine
damage due to insufficient lubrication and over‐
heating.
20 Spark Plug
► If the engine is down on power, difficult to start
or runs poorly at idle speed, first check the
spark plug.
► Fit a new spark plug after about 100 operating
hours – or sooner if the electrodes are badly
eroded. Install only suppressed spark plugs of
the type approved by STIHL – see "Specifica‐
tions".
20.1 Removing the Spark Plug
► Turn off the engine.
► Pull off the spark plug boot (1).
► Unscrew the spark plug.
20.2 Checking the Spark Plug
► Clean dirty spark plug.
► Check electrode gap (A) and readjust if neces‐
sary – see "Specifications".
► Rectify the problems which have caused foul‐
ing of the spark plug.
Possible causes are:
Too much oil in fuel mix.
–
32 0458-250-0121-F
Page 33
1
000BA045 KN
2
002BA446 KN
1
0000-GXX-1156-A0
1
0000-GXX-1155-A0
1
0000-GXX-0536-A0
21 Engine Running Behavior English
Dirty air filter.
–
Unfavorable running conditions.
–
and throttle cable are properly adjusted, the
cause may be the muffler.
Have the muffler checked by a servicing dealer
for contamination (carbonization).
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer.
22 Lubricating the Gearbox
22.1 Gearbox without Screw Plug
WARNING
Arcing may occur if the adapter nut (1) is loose
or missing. Working in an easily combustible or
explosive atmosphere may cause a fire or an
explosion. This can result result in serious inju‐
ries or damage to property.
► Use resistor type spark plugs with a properly
tightened adapter nut.
20.3 Installing the Spark Plug
► If the gearbox has no screw plug: gearbox is
maintenance-free and requires no re-lubrica‐
tion.
22.2 Gearbox with Screw Plug
► If the gearbox has a screw plug (1): Check
grease level after every 25 hours of operation
and re-lubricate if necessary.
► Screw the spark plug (2) into the cylinder and
fit the boot (1) (press it down firmly).
21 Engine Running Behavior
If engine running behavior is unsatisfactory even
though the air filter is clean and the carburetor
0458-250-0121-F 33
► Remove the screw plug (1).
Page 34
1
1
1
1
256BA075 KN
3
2
4
256BA032 KN
6
5
256BA033 KN
256BA034 KN
English 23 Replacing the Starter Rope and Rewind Spring
► If no grease can be seen on the inside of the
screw plug (1): Screw the tube (2) of STIHL
gear lubricant (special accessory) into the filler
hole.
► Squeeze no more than 5 g (1/5 oz) grease into
the gearbox.
NOTICE
Do not completely fill the gearbox with grease.
► Unscrew the tube (2).
► Insert the screw plug (1) and tighten it down
firmly.
WARNING
The rewind spring may pop out and uncoil during
this operation – take care to avoid the risk of
injury.
23 Replacing the Starter Rope
and Rewind Spring
23.1 Removing the Fan Housing
► Take out the screws (1).
► Remove the fan housing.
23.2 Replacing the Starter Rope
► Pry the cap (5) out of the grip.
► Remove the remaining rope from the rotor and
starter grip.
► Tie a simple overhand knot in the new rope
and then thread it through the top of the grip
and the rope bushing (6).
► Refit the cap in the grip.
► Remove the spring clip (2).
► Carefully remove the rope rotor with
washer (3) and pawl (4).
34 0458-250-0121-F
► Thread the rope through the rotor and secure
it with a simple overhand knot.
► Coat the rope rotor bearing bore with non-res‐
inous oil.
► Slip the rotor over the starter post – turn it
back and forth to engage the anchor loop of
the rewind spring.
Page 35
3
2
4
256BA032 KN
427BA016 KN
7
7
271BA053 KN
24 Storing the Machine English
WARNING
The bits of the spring may still be under tension
and could fly apart when you remove the rope
rotor and spring housing. To reduce the risk of
injury, Wear a face shield and work gloves.
► Fit the pawl (4).
► Fit the washer (3).
► Push the spring clip (2) into position – it must
point counterclockwise as shown and engage
the pawl's peg.
23.3 Tension the rewind spring.
► Take out the screws (7).
► Remove the spring housing and pieces of
spring.
► Lubricate the new, ready-to-fit replacement
spring in the new spring housing with a few
drops of resin-free oil.
► Place the replacement spring with spring
housing in position – bottom plate facing up.
If the spring pops out and uncoils, refit it in the
clockwise direction, starting outside and working
► Make a loop in the unwound starter rope and
use it to turn the rope rotor six full revolutions
counterclockwise.
► Hold the rope rotor steady.
► Pull out and straighten the twisted rope.
► Release the rope rotor.
► Slowly release the starter rope so that it winds
onto the rotor.
The starter grip must sit firmly in the rope bush‐
ing. If the grip droops to one side: Add one more
turn on the rope rotor to increase spring tension.
NOTICE
When the starter rope is fully extended it must
still be possible to rotate the rotor another one
and a half turns. If this is not the case, the spring
is overtensioned and could break.
► Take one turn of the rope off the rotor.
► Install the fan housing.
23.4 Replacing a Broken Rewind
Spring
► Remove the rope rotor as described in
"Replacing the Starter Rope".
0458-250-0121-F 35
inwards.
► Fit the screws.
► Refit the rope rotor as described in "Replacing
the Starter Rope".
► Tension the rewind spring.
► Install the fan housing.
24 Storing the Machine
If out of use for periods of about 30 days or lon‐
ger
► Drain and clean the fuel tank in a well-ventila‐
ted area.
► Dispose of fuel properly in accordance with
local environmental requirements.
► If a manual fuel pump is fitted: Press the man‐
ual fuel pump at least 5 times.
► Start the engine and run it at idling speed until
it stops
► Remove, clean and inspect the cutting attach‐
ment. Treat metal cutting attachments with
protective oil.
► Thoroughly clean the machine
► Cleaning the Air Filter
► Store the machine in a dry and safe place, out
of the reach of children and other unauthor‐
ized users
Page 36
2
1
002BA083 KN
2
1
2
2
1
1
002BA104 KN
English 25 Sharpening Metal Cutting Blades
25 Sharpening Metal Cutting
Blades
► Use a sharpening file (see "Special Accesso‐
ries") to sharpen dull cutting attachments. In
case of more serious wear or nicks:
Resharpen with a grinder or have the work
done by a dealer – STIHL recommends a
STIHL servicing dealer.
► Sharpen frequently, take away as little metal
as possible – two or three strokes of the file
are usually enough.
► Resharpen the teeth (1) uniformly – do not
alter the contour of the parent blade (2) in any
way.
See cutting attachment packaging for additional
sharpening instructions. Keep the packaging for
future reference.
25.1 Balancing
► After resharpening about 5 times, check the
cutting attachment for out-of-balance on a
STIHL balancer – see “Special Accessories” –
or have it checked by a dealer and re-bal‐
anced as necessary – STIHL recommends a
STIHL servicing dealer.
26 Maintaining the Mowing
Head
26.1 Placing power tool on the
ground
► Shut off the engine.
► Lay your power tool on its back so that the cut‐
ting attachment mounting face is pointing up.
26.2 Replacing Nylon Line
Always check the mowing head for signs of wear
before replacing the nylon line.
WARNING
If there are signs of serious wear, replace the
complete mowing head.
The nylon mowing line is referred to as "nylon
line" or "line" in the following.
The mowing head is supplied with illustrated
instructions for replacing the nylon line. Keep the
instructions for the mowing head in a safe place.
► If necessary, remove the mowing head.
26.3 Adjusting Nylon Line
STIHL SuperCut
Fresh line is advanced automatically if the
remaining line is at least 6 cm (2 1/2 in) long.
The blade on the deflector trims overlong lines to
the correct length.
STIHL AutoCut
► With the engine running, hold the rotating
mowing head above the grass surface.
► Tap it on the ground once – fresh line is
advanced and the blade on the deflector trims
it to the right length.
Fresh line is advanced every time the mowing
head is tapped on the ground. For this reason
observe the mowing head's cutting performance
during operation. If the mowing head is tapped
36 0458-250-0121-F
Page 37
250BA072 KN
27 Inspection and Maintenance by User English
on the ground too often, the line limiting blade
will unnecessarily cut off unused lengths of nylon
line.
Line feed operates only if both lines are still at
least 2.5 cm (1 in) long.
STIHL TrimCut
WARNING
To reduce the risk of injury, always shut off the
engine before adjusting the nylon line by hand.
► Pull the spool up – rotate it about 1/6 turn
counterclockwise until it engages – and allow it
to spring back.
► Pull ends of the lines outward.
Repeat the above procedure as necessary until
both lines reach the limiter blade on the deflec‐
tor.
Rotating the spool from one stop to the next
advances about 4 cm (1 1/2 in) of fresh line.
26.4 Replacing Nylon Line
STIHL PolyCut
Precut lengths of nylon line can be fitted to the
PolyCut in place of the cutting blades.
STIHL DuroCut, STIHL PolyCut
WARNING
To reduce the risk of injury, always shut off the
engine before installing the blades.
► Remove the mowing head.
► Replace blades as shown in the illustrated
instructions.
► Mount the mowing head on the machine.
27 Inspection and Mainte‐
nance by User
27.1 Changing the Fuel Pickup Body
WARNING
To reduce the risk of injury, always shut off the
engine before refilling the mowing head.
► Fit precut lengths of nylon line in the mowing
head as described in the instructions supplied.
26.5 Replacing Cutting Blades
26.5.1 STIHL PolyCut
Always check the mowing head for signs of wear
before installing new cutting blades.
WARNING
If there are signs of serious wear, replace the
complete mowing head.
The thermoplastic cutting blades are referred to
as "blades" in the following.
The mowing head is supplied with illustrated
instructions for replacing the blades. Keep the
instructions for the mowing head in a safe place.
0458-250-0121-F 37
Change the fuel pickup body every year:
► Drain the fuel tank.
► Use a hook to pull the fuel pickup body out of
the tank and take it off the hose.
► Push the new pickup body into the hose.
► Place the pickup body in the tank.
28 Inspections and Mainte‐
nance by Dealer
28.1 Maintenance Work
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer.
Page 38
250BA066 KN
English 29 Maintenance and Care
28.2 Antivibration Element
A vibration-absorbing rubber element is installed
between the powerhead and the drive tube.
Have it checked if there are signs of wear or a
noticeable increase in vibration levels.
29 Maintenance and Care
The following intervals apply for normal operating
conditions. The specified intervals must be short‐
ened accordingly when working for longer than nor‐
mal or under difficult cutting conditions (extensive
dust, etc.).
Weekly
Before starting work
Whenever tank is refilled
Monthly
If faulty
Annually
If damaged
As required
Complete machine Visual inspection (condi‐
Control handle Function test X X
Air filter Visual inspection X X
Manual fuel pump (if
present)
Fuel pickup body in fuel
tank
Fuel tank Clean X X X
Carburetor Check idle adjustment,
Spark plug Set electrode gap X
Intake port for cooling air Visual inspection X
tion, leaks)
Clean X
Replace any damaged
parts
Clean X X
replace X
check X
Have repaired by a spe‐
cialist dealer
check X
replace X X X
cutting attachment must
not turn
Adjust idle speed X
Replace after every 100
hours of operation
Clean X
1)
At the end of work and/or daily
X X
X X
X
X X
38 0458-250-0121-F
Page 39
30 Minimize Wear and Avoid Damage English
The following intervals apply for normal operating
conditions. The specified intervals must be short‐
ened accordingly when working for longer than nor‐
mal or under difficult cutting conditions (extensive
dust, etc.).
Weekly
Before starting work
Whenever tank is refilled
Monthly
If faulty
Annually
If damaged
As required
All accessible screws,
nuts and bolts (not
adjusting screws)
Anti-vibration elements
Cutting attachment Visual inspection X X
Metal cutting attachment sharpen X X
Gearbox lubrication (with
screw plug)
Safety information label replace X
1)
STIHL recommends STIHL dealers
2)
see chapter "Inspection and Maintenance by Dealer", section "Antivibration Elements"
Tighten X
2)
Check
Have replaced by serv‐
icing dealer
replace X
Check for secure fit X X
check X X X
top up X
1)
30 Minimize Wear and Avoid
Damage
Observing the instructions in this manual helps
reduce the risk of unnecessary wear and dam‐
age to the power tool.
The power tool must be operated, maintained
and stored with the due care and attention
described in this owner's manual.
The user is responsible for all damage caused by
non-observance of the safety precautions, oper‐
ating and maintenance instructions in this man‐
ual. This includes in particular:
Alterations or modifications to the product not
–
approved by STIHL.
Using tools or accessories which are neither
–
approved or suitable for the product or are of a
poor quality.
Using the product for purposes for which it
–
was not designed.
Using the product for sports or competitive
–
events.
Consequential damage caused by continuing
–
to use the product with defective components.
At the end of work and/or daily
X X X
X
30.1 Maintenance Work
All the operations described in the "Maintenance
Chart" must be performed on a regular basis. If
these maintenance operations cannot be per‐
formed by the owner, they should be performed
by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
If these maintenance operations are not carried
out as specified, the user assumes responsibility
for any damage that may occur. Among other
parts, this includes:
Damage to the engine due to neglect or defi‐
–
cient maintenance (e.g. air and fuel filters),
incorrect carburetor adjustment or inadequate
cleaning of cooling air inlets (intake ports, cyl‐
inder fins).
Corrosion and other consequential damage
–
resulting from improper storage.
0458-250-0121-F 39
Page 40
9
9
7
8
250BA049
17
11
15
18
19
8
7
16
13
14
#
10
12
11
6
1
2
3
4
5
5
5
8
1
2
6
4
7
2
3
1
1
9
1
002BA644 KN
4
English 31 Main Parts
Damage to the machine resulting from the use
–
of poor quality replacement parts.
30.2 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 attachments (all types)
–
Mounting hardware for cutting attachments
–
13 Manual fuel pump
14 Choke knob
15 Air filter cover
16 Fuel tank
17 Machine support
18 Loop handle
19 Barrier bar (country specific)
# Serial number
(rider plate, nut, etc.)
Deflectors for cutting attachments
–
Clutch
–
Filters (air, fuel)
–
Rewind starter
–
Spark plug
–
Antivibration elements
–
31 Main Parts
1 Drive tube
2 Mowing head
3 Deflector for mowing heads only
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
40 0458-250-0121-F
4 Line limiting blade
5 Deflector for all mowing attachments
6 Skirt for mowing heads
7 Metal mowing attachment
8 Circular saw blade
9 Limit stop for circular saw blades only
32 Specifications
32.1 Engine
STIHL single cylinder two-stroke engine
32.1.1 FS 120
Displacement:
30.8 cc
Page 41
32 Specifications English
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
Max. output shaft speed
9,150 rpm
(cutting attachment):
32.1.2 FS 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
Max. output shaft speed
9,150 rpm
(cutting attachment):
32.2 Ignition System
Electronic magneto ignition
Spark plug (resistor type): NGK BPMR 7 A,
Bosch WSR 6 F
Electrode gap: 0.5 mm
32.3 Fuel System
All position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
640 cc (0.64 l)
32.4 Weight
Dry, without cutting attachment and deflector
FS 120: 6.3 kg
FS 120 R: 6.0 kg
FS 250: 6.3 kg
32.5 Overall length
without cutting attachment 1765 mm
32.6 Features
R Loop handle
32.7 Sound and Vibration Levels
For further details on compliance with Vibration
Directive 2002/44/EC see
www.stihl.com/vib
32.7.1 Sound pressure level L
22868
with mowing head
FS 120: 98 dB(A)
FS 250: 102 dB(A)
with metal mowing tool
FS 120: 98 dB(A)
peq
to ISO
32.7.2 Sound power level Lw to ISO 22868
with mowing head
FS 120: 110 dB(A)
FS 250: 112 dB(A)
with metal mowing tool
FS 120: 110 dB(A)
FS 250: 112 dB(A)
32.7.3 Vibration level a
to ISO 22867
hv,eq
with mowing head Handle, left Handle,
FS 120:
FS 120 R:
FS 250:
with metal mowing
tool
FS 120:
FS 120 R:
FS 250:
2
6.3 m/s
2
8.0 m/s
2
5.7 m/s
Handle, left Handle,
2
4.9 m/s
2
9.5 m/s
2
5.3 m/s
5.0 m/s
9.0 m/s
4.3 m/s
right
4.2 m/s
10.5
2
m/s
5.4 m/s
2
2
2
2
2
right
The K‑factor in accordance with Directive
2006/42/EC is 2.0 dB(A) for the sound pressure
level and sound power level; the K‑factor in
accordance with Directive 2006/42/EC is
2.0 m/s2 for the vibration level.
32.8 REACH
REACH is an EC regulation and stands for the
Registration, Evaluation, Authorization and
Restriction of Chemical substances.
For information on compliance with the REACH
regulation (EC) No. 1907/2006 see
www.stihl.com/reach
32.9 Exhaust Emissions
The CO2 value measured in the EU type appro‐
val procedure is specified at
www.stihl.com/co2
in the product-specific technical data.
The measured CO2 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 User Manual. The oper‐
ating license shall be void if the engine is modi‐
fied in any way.
FS 250: 100 dB(A)
0458-250-0121-F 41
Page 42
000BA073 KN
English 33 Maintenance and Repairs
33 Maintenance and Repairs
Users of this machine may only carry out the
maintenance and service work described in this
user manual. All other repairs must be carried
out by a servicing dealer.
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer. STIHL dealers are
regularly given the opportunity to attend training
courses and are supplied with the necessary
technical information.
When repairing the machine, only use replace‐
ment parts which have been approved by STIHL
for this power tool or are technically identical.
Only use high-quality replacement parts in order
to avoid the risk of accidents and damage to the
machine.
STIHL recommends the use of original STIHL
replacement parts.
Original STIHL parts can be identified by the
STIHL part number, the { logo and the
STIHL parts symbol K (the symbol may appear
alone on small parts).
34 Disposal
Contact the local authorities or your STIHL serv‐
icing dealer for information on disposal.
Improper disposal can be harmful to health and
pollute the environment.
declare under our sole responsibility that
Designation: Brushcutter
Make: STIHL
Series: FS 120
Serial identification number: 4134
Displacement
FS 120:
FS 250:
conforms to the relevant provisions of Directives
2011/65/EU, 2006/42/EC, 2014/30/EU and
2000/14/EC and has been developed and manu‐
factured in compliance with the following stand‐
ards in the versions valid on the date of produc‐
tion:
EN ISO 11806-1, EN 55012, EN 61000‑6‑1
The measured and the guaranteed sound power
level have been determined in accordance with
Directive 2000/14/EC, Annex V, and standard
ISO 10884.
Measured sound power level
FS 120: 110 dB(A)
FS 250: 112 dB(A)
Guaranteed sound power level
FS 120: 112 dB(A)
FS 250: 114 dB(A)
Technical documents deposited at:
ANDREAS STIHL AG & Co. KG
Produktzulassung
The year of manufacture and serial number are
applied to the product.
Done at Waiblingen, 03.02.2020
ANDREAS STIHL AG & Co. KG
pp
FS 250
30.8 cm
40.2 cm
3
3
► Take STIHL products including packaging to a
suitable collection point for recycling in accord‐
ance with local regulations.
► Do not dispose with domestic waste.
Dr. Jürgen Hoffmann
Director Product Certification & Regulatory
Affairs
35 EC Declaration of Con‐
formity
ANDREAS STIHL AG & Co. KG
Badstr. 115
D-71336 Waiblingen
Germany
42 0458-250-0121-F
Page 43
35 EC Declaration of Conformity English
0458-250-0121-F 43
Page 44
www.stihl.com
*04582500121F*
0458-250-0121-F
*04582500121F*
0458-250-0121-F
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