Contents
Guide to Using this Manual
Safety Precautions and Working
Techniques
Cutting Attachment
Mounting the Bar and Chain
Tensioning the Chain
Checking Chain Tension
Fuel
Fueling
Chain Lubricant
Filling Chain Oil Tank
Checking Chain Lubrication
Chain Brake
Winter Operation
Starting / Stopping the Engine
Operating Instructions
Taking Care of the Guide Bar
Air Filter System
Cleaning the Air Filter
Engine Management
Adjusting the Carburetor
Spark Plug
Engine Running Behavior
Storing the Machine
Checking and Replacing the Chain
Sprocket
Maintaining and Sharpening the
Saw Chain
Maintenance and Care
Main Parts
Specifications
Ordering Spare Parts
MS 250
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Maintenance and Repairs
Disposal
3
Limited Warranty
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STIHL Incorporated Federal
28
Emission Control Warranty
Statement
29
Trademarks
29
30
31
34
34
35
35
36
37
41
42
42
43
43
44
45
46
46
47
48
52
54
56
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This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Allow only persons who fully understand
57
this manual to operate your chain saw.
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To receive maximum performance and
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satisfaction from your STIHL chain saw,
it is important that you read, understand
and follow the safety precautions and
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the operating and maintenance
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instructions in chapter "Safety
Precautions and Working Techniques"
before using your chain saw. For further
information you can go to
www.stihlusa.com.
Contact your STIHL dealer or the STIHL
distributor for your area if you do not
understand any of the instructions in this
manual.
WARNING
Because a chain saw is a high-speed
wood-cutting tool, some special safety
precautions must be observed as with
any other power saw to reduce the risk
of personal injury. Careless or improper
use may cause serious or even fatal
injury.
English
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