Stihl Fs 80 R Owners Manual

50 English / USAFS 80, FS 80 R, FS 85, FS 85 R
Definitions
1. Fuel PumpProvides additional fuel feed for a 
cold start.
2. Choke Lever Eases engine starting by enriching 
mixture.
3. Carburetor Adjusting Screws For tuning the carburetor.
4. Starter Grip The grip of the pull starter, which is 
the device to start the engine.
5. Fuel Filler Cap For closing the fuel tank.
6. Fuel Tank  For fuel and oil mixture.
7. Muffler (with spark arresting screen)
Reduces exhaust noises and 
diverts exhaust gases away...

51
FS 80, FS 80 R, FS 85, FS 85 R English / USA
Definitions
1. Mowing head
The cutting attachment, i. e. mowing 
head, for different purposes 
(special accessory).
2. Deflector The deflector is designed to reduce 
the risk of injury from foreign objects 
flung backwards toward the 
operator by the cutting tool and from 
contact with the cutting tool.
3. Line limiting blade Metal blade at the deflector in order 
to keep the line of the mowing head 
at the proper length.
4. Deflector with skirt The...

52 English / USAFS 80, FS 80 R, FS 85, FS 85 R
Ignition System 
Fuel System Rewind Starter 
Weight 
1)Version with loop handle2)Version with bike handle Contact your STIHL dealer for 
information regarding special 
accessories that may be available for 
your product.
Max. speed of 
output shaft (cutting 
tool mounting) 7,500 rpm
Type: Electronic magneto ignition
Spark plug 
(suppressed): Bosch WSR 6 F,
NGK BPMR 7 A
or Champion 
RCJ 6Y
Electrode gap: 0.02 in (0.5 mm)
Spark plug thread: M 14 x 1.25; 0.37...

53
FS 80, FS 80 R, FS 85, FS 85 R English / USA
Users of this unit should carry out only 
the maintenance operations described 
in this manual. Other repair work may be 
performed only by authorized STIHL 
service shops.
Warranty claims following repairs can be 
accepted only if the repair has been 
performed by an authorized STIHL 
servicing dealer using original STIHL 
replacement parts.
Original STlHL parts can be identified by 
the STlHL part number, the 
STIHl 
logo and, in some cases, by the STlHL...

54 English / USAFS 80, FS 80 R, FS 85, FS 85 R
Your Warranty Rights and 
Obligations 
The U.S. Environmental Protection 
Agency (EPA) and STIHL Incorporated 
are pleased to explain the Emission 
Control System Warranty on your equip-
ment type engine. In the U.S. new 1997 
and later model year small off-road 
equipment engines must be designed, 
built and equipped, at the time of sale, to 
meet the U.S. EPA regulations for small 
non road engines. The equipment 
engine must be free from defects in...

55
FS 80, FS 80 R, FS 85, FS 85 R English / USA
If any emission related part on your 
engine is defective, the part will be 
replaced by STIHL Incorporated at no 
cost to the owner. Any warranted part 
which is not scheduled for replacement 
as required maintenance, or which is 
scheduled only for regular inspection to 
the effect of repair or replace as 
necessary will be warranted for the 
warranty period. Any warranted part 
which is scheduled for replacement as 
required maintenance will be...

56 English / USAFS 80, FS 80 R, FS 85, FS 85 R
Your Warranty Rights and 
Obligations
The California Air Resources Board 
(CARB) and STIHL Incorporated are 
pleased to explain the emissions control 
systems warranty on your 2007 and 
later small off-road equipment engine. 
In California, new equipment that uses 
small off-road-engines must be 
designed, built, and equipped to meet 
the States stringent anti-smog 
standards.  STIHL Incorporated must 
warrant the emissions control system on 
your small...

57
FS 80, FS 80 R, FS 85, FS 85 R English / USA
Defects Warranty Period
The warranty periods will begin on the 
date the utility equipment engine is 
purchased by the initial purchaser. If any 
emission related part on your engine is 
defective, the part will be replaced by 
STIHL Incorporated at no cost to the 
owner. 
Add on or modified parts that are not 
exempted by CARB may not be used. 
The use of any non exempted add on or 
modified parts will be grounds for 
disallowing a warranty claim. STIHL...

58 English / USAFS 80, FS 80 R, FS 85, FS 85 R
Emission Warranty Parts List
Air filter, Carburetor, Purger, Choke 
(Cold Start Enrichment System), Control 
Linkages, Intake Manifold, Magneto or 
Electronic Ignition System (Ignition 
Module), Spark Plug, Catalytic 
Converter (if applicable), Fuel Tank, Fuel 
Cap, Fuel Line, Fuel Line Fittings, 
Clamps, Fasteners
Where to make a claim for 
Warranty Service
Bring the STIHL product to any 
authorized STIHL servicing dealer and 
present the signed STIHL...

59
FS 80, FS 80 R, FS 85, FS 85 R English / USA
STIHL Magnum™ / Stihl-Magnum™
STIHL MiniBoss™
STIHL MotoPlus 4™
STIHL Multi-Cut HomeScaper Series™
Stihl Outfitters™
STIHL PICCO™
STIHL PolyCut™
STIHL PowerSweep™
STIHL Precision Series™
STIHL Protech™
STIHL RAPID™
STIHL SuperCut™
STIHL Territory™
TapAction™
TrimCut™
This listing of trademarks is subject to 
change.
Any unauthorized use of these 
trademarks without the express written 
consent of 
ANDREAS STIHL AG & Co. KG, 
Waiblingen is strictly...