Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2017
0458-468-8621-A. VA3.M17.
0000007504_006_GB
KM 91 R
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
the manuals of the KombiEngine and the
KombiTool to operate this power tool
combination.
To receive maximum performance and
satisfaction from your STIHL power tool,
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 power tool. 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 the
two manuals.
WARNING
Because this KombiEngine is the engine
for a high-speed power tool, some
special safety precautions must be
observed to reduce the risk of personal
injury. Careless or improper use may
cause serious or even fatal injury.
KombiSystem 2
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 3
Approved KombiTools 9
Mounting the Loop Handle 10
Adjusting the Throttle Cable 11
Fuel 11
Fueling 12
Starting / Stopping the Engine 13
Operating Instructions 15
Replacing the Air Filter 15
Engine Management 16
Adjusting the Carburetor 16
Spark Arresting Screen in Muffler 16
Spark Plug 17
Storing the Machine 18
Maintenance and Care 19
Main Parts 21
Specifications 22
Maintenance and Repairs 23
Disposal 23
Limited Warranty 24
STIHL Incorporated Federal
Emission Control Warranty
Statement 24
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 26
Trademarks 28