Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020 0458-574-8221-C. VB2.K20. 0000006604_007_GB
MS 271, MS 271 C, MS 291, MS 291 C
English
1
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
It has been built using modern
production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction 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
Guide to Using this Manual 2
Safety Precautions 3
Reactive Forces 8
Working Techniques 9
Cutting Attachment 18
Mounting the Bar and Chain (side
chain tensioner) 19
Mounting the Bar and Chain (quick
chain tensioner) 20
Tensioning the Saw Chain (side
chain tensioner) 22
Tensioning the Saw Chain (quick
chain tensioner) 22
Shroud 22
Checking Chain Tension 23
Fuel 23
Fueling 24
Chain Lubricant 26
Filling Chain Oil Tank 26
Starting / Stopping the Engine 27
Taking Care of the Guide Bar 31
Checking Chain Lubrication 32
Chain Brake 32
Key to Symbols 34
Winter Operation 35
Operating Instructions 35
Air Filter System 36
Cleaning the Air Filter 37
Engine Management 38
Adjusting the Carburetor 38
Spark Arresting Screen in Muffler 39
Spark Plug 39
Storing the Machine 40
Checking and Replacing the Chain
Sprocket 41
Maintaining and Sharpening the
Saw Chain 42
Maintenance and Care 46
Main Parts 48
Specifications 50
Ordering Spare Parts 51
Maintenance and Repairs 51
Disposal 52
STIHL Limited Emission Control
Warranty Statement 52
CSA Standard 54