Stihl MS 271 User Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2011 0458-574-8621-A. M3-2.B11.PM. 0000003104_002_GB
MS 271, MS 291, MS 291 C
English
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Contents
Allow only persons who fully understand
this manual to operate your chain saw.
To receive maximum performance and
satisfaction from your STIHL chain saw,
it is important that you read, understand
and follow the safety precautions and
the operating and maintenance
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.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 3
Cutting Attachment 24
Mounting the Bar and Chain (side
chain tensioner) 24
Mounting the Bar and Chain (quick
chain tensioner) 25
Tensioning the Saw Chain (side
chain tensioner) 27
Tensioning the Saw Chain (quick
chain tensioner) 27
Checking Chain Tension 28
Fuel 28
Fueling 29
Chain Lubricant 31
Filling Chain Oil Tank 31
Checking Chain Lubrication 32
Chain Brake 32
Winter Operation 33
Starting / Stopping the Engine 34
Operating Instructions 37
Taking Care of the Guide Bar 38
Shroud 39
Air Filter System 39
Cleaning the Air Filter 40
Engine Management 40
Adjusting the Carburetor 41
Spark Arresting Screen in Muffler 42
Spark Plug 42
Replacing the Starter Rope and
Rewind Spring 43
Storing the Machine 46
Checking and Replacing the Chain
Sprocket 46
Maintaining and Sharpening the
Saw Chain 47
Maintenance and Care 51
Main Parts 53
Specifications 55
Special Accessories 56
Ordering Spare Parts 57
Maintenance and Repairs 57
STIHL Incorporated Federal
Emission Control Warranty
Statement 57
Trademarks 59
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.

Stihl MS 271 Specifications

General

Motor type	2-stroke motor
Chain gauge	1.6 mm
Chain pitch	3/8 \
Blade length	400 mm
Automatic oiling	Yes
Oil tank capacity	0.24 L
Fuel tank capacity	0.5 L
Engine displacement	55.5 cm³
Engine power	3.8 hp
Power source	Gasoline

Weight and Dimensions

Weight	5600 g