Stihl Ms 250 C Manual

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STIHL MS 250
WARNING To reduce the risk of 
kickback injury use STIHL reduced kickback bar 
and STIHL low kickback chain as specified in 
this manual or other available low kickback 
components.
ADVERTENCIA Para reducir el 
riesgo de lesionarse como resultado de un 
culatazo, utilice la barra y la cadena de 
contragolpe reducido de la forma especificada 
en este manual o de otros componentes 
reductores de contragolpe.
Read Instruction Manual thoroughly before 
use and follow all safety precautions –...

Instruction Manual
1 - 58
Manual de instrucciones
59 - 122 

Original Instruction Manual Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled. © ANDREAS STIHL AG & Co. KG, 2017
0458-208-8621-B. VA2.F17. 
0000001880_019_GB
MS 250
English
1
{This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process 
with electronic systems.
Contents
Allow only persons who fully understand 
this manual to operate your chain saw.
To receive maximum performance and...

MS 250
English
2 This Instruction Manual refers to a 
STIHL chain saw, also called a machine 
in this Instruction Manual.
Pictograms
The meanings of the pictograms 
attached to or embossed on the 
machine are explained in this manual.
Depending on the model concerned, the 
following pictograms may be on your 
machine.
Symbols in Text
Many operating and safety instructions 
are supported by illustrations.
The individual steps or procedures 
described in the manual may be marked 
in different ways:
NA...

MS 250
English
3
WARNING
The use of this chain saw may be 
hazardous. The saw chain has many 
sharp cutters. If the cutters contact your 
flesh, they will cut you, even if the chain 
is not moving. 
WARNING
Reactive forces, including kickback, can 
be dangerous. Pay special attention to 
the section on reactive forces.
Have your STIHL dealer show you how 
to operate your chain saw. All safety 
precautions that are generally observed 
when working with an axe or a hand saw 
also apply to the operation of...

MS 250
English
4
WARNING
Prolonged use of a chain saw (or other 
power tools) exposing the operator to 
vibrations may produce whitefinger 
disease (Raynaud's phenomenon) or 
carpal tunnel syndrome.
These conditions reduce the hand's 
ability to feel and regulate temperature, 
produce numbness and burning 
sensations and may cause nerve and 
circulation damage and tissue necrosis.
All factors which contribute to white-
finger disease are not known, but cold 
weather, smoking and diseases or...

MS 250
English
5 Be particularly alert and cautious when 
wearing hearing protection because 
your ability to hear warnings (shouts, 
alarms, etc.) is restricted.
THE CHAIN SAW
For illustrations and definitions of the 
chain saw parts see the chapter on 
"Main Parts."
WARNING
Never modify this chain saw in any way. 
Only attachments supplied by STIHL or 
expressly approved by STIHL for use 
with the specific STIHL model are 
authorized. Although certain 
unauthorized attachments are useable 
with...

MS 250
English
6 Fuel
Your STIHL chain saw uses an oil- 
gasoline mixture for fuel (see the 
chapter on "Fuel" of your instruction 
manual).
WARNING
Fueling Instructions
WARNING
Fuel your chain saw in well-ventilated 
areas, outdoors. Always shut off the 
engine and allow it to cool before 
refueling. Gasoline vapor pressure may 
build up inside the fuel tank depending 
on the fuel used, the weather conditions 
and the tank venting system.
In order to reduce the risk of burns and 
other personal...

MS 250
English
7 (approx. 1/4 turn). The positioning mark 
on the cap should now line up with the 
"closed" mark on the tank.
Misaligned, damaged or broken cap
NIf the cap does not drop fully into the 
opening when the positioning marks 
line up and/or if the cap does not 
tighten properly when twisted, the 
base of the cap may be prematurely 
rotated (in relation to the top) to the 
closed position. Such misalignment 
can result from handling, cleaning 
or an improper attempt at 
tightening.NTo...

MS 250
English
8 For proper assembly of the bar and saw 
chain follow the procedure described in 
the chapter "Mounting the Bar and 
Chain" of your instruction manual. 
STIHL Oilomatic saw chain, guide bar 
and sprocket must match each other in 
gauge and pitch. Before replacing any 
bar and chain, see the chapter entitled 
"Specifications" in the instruction 
manual and the chapter "Reactive 
Forces including Kickback".
Since longer bars add weight and may 
be more difficult to...