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Stihl 85 Manual

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    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 from 
    operator.
    8. Throttle Trigger Controls the speed of the engine.
    9. Slide Control For starting throttle, run and stop. 
    Keeps the throttle partially open 
    during starting, switches the 
    engine’s ignition off to stop the 
    engine. 10. Throttle Trigger Interlock 
    Must be depressed before the 
    throttle trigger can be activated.
    11. Bike Handle  For easy control of the machine with 
    both hands during cutting work.
    12. Handle Support  Connects the drive tube and bike 
    handle.
    13. Throttle Cable Retainer Secures the throttle cable to the 
    drive tube.
    14. Clamp (carrying ring) Connects the brushcutter to the 
    harness.
    15. Spark Plug Boot Connects the spark plug to the 
    ignition lead.
    16. Air Filter Cover Encloses and protects the air filter. 
    17. Machine Support  For resting machine on the ground.
    18. Barrier Bar  
    Helps maintain clearance between 
    cutting tool and feet and legs of 
    operator.
    19. Loop Handle  For easy control of machine during 
    cutting work.
    20. Drive Tube  Encloses and protects drive shaft 
    between engine and gearhead. 1 
    Mowing head
    2  Deflector 
    (for mowing heads only)
    3  Line limiting blade
    4  Deflector with skirt 
    (for all cutting tools)
    5  Skirt
    6  Metal mowing tool
    002BA114 KN
    1
    3
    4 5
    3
    6 4
    1 2 
    						
    							
    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 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. Is not 
    designed to contain fragmented 
    metal blades.
    5. Skirt The skirt at the bottom of the 
    deflector must be adjusted as 
    described in the chapters on 
    mounting the various cutting tools.
    6. Metal mowing tool The cutting attachment, i. e. blade, 
    made from metal for different 
    purposes (special accessory). 7 
    Circular Saw Blade
    8  Limit Stop (for circular saw blade 
    only)
    Definitions
    7. Circular Saw Blade 
    Cutting tool made of metal for 
    cutting wood.
    8. Limit Stop  Is designed to position the 
    brushcutter steady against the 
    wood in order to reduce the risk of 
    injury from loss of control from 
    reactive forces such as thrust out.
    Engine
    EPA:
    The Emission Compliance Period 
    referred to on the Emissions 
    Compliance Label indicates the number 
    of operating hours for which the engine 
    has been shown to meet Federal 
    emission requirements. 
    Category A = 300 hours, B = 125 hours, 
    C = 50 hours
    CARB:
    The Emission Compliance Period used 
    on the CARB Air Index Label indicates 
    the terms:
    Extended = 300 hours 
    Intermediate = 125 hours 
    Moderate = 50 hours
    002BA186 KN
    8
    7
    Single cylinder two-stroke engine
    Displacement: 1.55 cu.in 
    (25.4cm3)
    Bore: 1.34 in (34 mm)
    Stroke: 1.10 in (28 mm)
    Power according to 
    ISO 8893: 1.3 bhp  (0.95 kW)
    Idle speed: 2,800 rpm
    Engine cutoff speed 
    (nominal): 10,500 rpm
    Specifications 
    						
    							
    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 in (9.5 mm) 
    long 
    Carburetor: All position diaphragm 
    carburetor with integral fuel pump
    Air filter: Foam and felt  elements
    Fuel tank capacity: 0.93 US.pt (0.44 l)
    Fuel mix: See “Fuel” Starter rope: 
    0.11 in (2.7 mm) dia. x 
    35.8 in (910 mm) long
    without cutting tool and deflector
    FS 80 R 
    1)  10.8 lb (4.9 kg)
    FS 80 2)  11.5 lb (5.2 kg)
    FS 85 R 1)  11.0 lb (5.0 kg)
    FS 85 2)  11.7 lb (5.3 kg)
    FS 85 RX 1)  10.6 lb (4.8 kg)
    Special Accessories 
    						
    							
    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 
    parts symbol  (. This symbol may 
    appear alone on small parts.
    Maintenance and Repairs  
    						
    							
    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 
    materials and workmanship which 
    cause it to fail to conform with U.S. EPA 
    standards for the first two years of 
    engine use from the date of sale to the 
    ultimate purchaser.
    STIHL Incorporated must warrant the 
    emission control system on your small 
    off-road engine for the period of time 
    listed below provided there has been no 
    abuse, neglect or improper maintenance 
    of your small off-road equipment engine.
    Your emission control system includes 
    parts such as the carburetor and the 
    ignition system. Also included may be 
    hoses, and connectors and other 
    emission related assemblies.
    Where a warrantable condition exists, 
    STIHL Incorporated will repair your 
    small off-road equipment engine at no 
    cost to you, including diagnosis (if the 
    diagnostic work is performed at an 
    authorized dealer), parts, and labor.
    Manufacturers Warranty 
    Coverage:
    In the U.S., 1997 and later model year 
    small off-road equipment engines are 
    warranted for two years. If any emission-
    related part on your engine is defective, 
    the part will be repaired or replaced by 
    STIHL Incorporated free of charge.
    Owners Warranty 
    Responsibilities:
    As the small off-road equipment engine 
    owner, you are responsible for the 
    performance of the required mainte-
    nance listed in your owners manual. 
    STIHL Incorporated recommends that 
    you retain all receipts covering 
    maintenance on your small off-road 
    equipment engine, but STIHL 
    Incorporated cannot deny warranty 
    solely for the lack of receipts or for your 
    failure to ensure the performance of all 
    scheduled maintenance.
    Any replacement part or service that is 
    equivalent in performance and durability 
    may be used in non-warranty 
    maintenance or repairs, and shall not 
    reduce the warranty obligations of the 
    engine manufacturer.
    As the small off-road equipment engine 
    owner, you should be aware, however, 
    that STIHL Incorporated may deny you 
    warranty coverage if your small off-road 
    equipment engine or a part has failed 
    due to abuse, neglect, improper mainte-
    nance or unapproved modifications.You are responsible for presenting your 
    small off-road equipment engine to a 
    STIHL service center as soon as a 
    problem exists. The warranty repairs will 
    be completed in a reasonable amount of 
    time, not to exceed 30 days.
    If you have any questions regarding your 
    warranty rights and responsibilities, 
    please contact a STIHL customer 
    service representative at 1-800-467-
    8445 or you can write to 
    STIHL Inc.,
    536 Viking Drive, P.O. Box 2015,
    Virginia Beach, VA 23450-2015.
    Coverage by STIHL Incorporated
    STIHL Incorporated warrants to the 
    ultimate purchaser and each subse-
    quent purchaser that your small off-road 
    equipment engine will be designed, built 
    and equipped, at the time of sale, to 
    meet all applicable regulations. STIHL 
    Incorporated also warrants to the initial 
    purchaser and each subsequent 
    purchaser that your engine is free from 
    defects in materials and workmanship 
    which cause the engine to fail to conform 
    with applicable regulations for a period 
    of two years.
    Warranty Period
    The warranty period will begin on the 
    date the utility equipment engine is 
    purchased by the initial purchaser and 
    you have signed and sent back the 
    warranty card to STIHL.
    Not for California: 
    STIHL Incorporated Federal Emission Control Warranty 
    Statement 
    						
    							
    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 warranted 
    for the period of time up to the first 
    scheduled replacement point for that 
    part.
    Diagnosis
    You, as the owner, shall not be charged 
    for diagnostic labor which leads to the 
    determination that a warranted part is 
    defective. However, if you claim 
    warranty for a component and the 
    machine is tested as non-defective, 
    STIHL Incorporated will charge you for 
    the cost of the emission test. Mechanical 
    diagnostic work will be performed at an 
    authorized STIHL servicing dealer. 
    Emission test may be performed either 
    at STIHL Incorporated or at any 
    independent test laboratory. 
    Warranty Work
    STIHL Incorporated shall remedy 
    warranty defects at any authorized 
    STIHL servicing dealer or warranty 
    station. Any such work shall be free of 
    charge to the owner if it is determined 
    that a warranted part is defective. Any manufacturer-approved or 
    equivalent replacement part may be 
    used for any warranty maintenance or 
    repairs on emission-related parts and 
    must be provided without charge to the 
    owner. STIHL Incorporated is liable for 
    damages to other engine components 
    caused by the failure of a warranted part 
    still under warranty.
    The following list specifically defines the 
    emission-related warranted parts: 
    Carburetor
    Choke (Cold start enrichment system)
    Intake manifold
    Air filter 
    Spark plug
    Magneto or electronic ignition system 
    (ignition module)
    Catalytic converter (if applicable)
    Fasteners
    Where to make a claim for 
    Warranty Service 
    Bring the product to any authorized 
    STIHL servicing dealer and present the 
    signed warranty card. 
    Maintenance Requirements
    The maintenance instructions in this 
    manual are based on the application of 
    the recommended 2-stroke fuel-oil 
    mixture (see also instruction Fuel). 
    Deviations from this recommendation 
    regarding quality and mixing ratio of fuel 
    and oil may require shorter maintenance 
    intervals.
    Limitations
    This Emission Control Systems 
    Warranty shall not cover any of the 
    following:
    :
    repair or replacement required 
    because of misuse, neglect or lack 
    of required maintenance, 
    : repairs improperly performed or 
    replacements not conforming to 
    STIHL Incorporated specifications 
    that adversely affect performance 
    and/or durability, and alterations or 
    modifications not recommended or 
    approved in writing by STIHL 
    Incorporated, 
    and
    : replacement of parts and other 
    services and adjustments 
    necessary for required maintenance 
    at and after the first scheduled 
    replacement point. 
    						
    							
    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 off-road  engine for the period 
    listed below provided there has been no 
    abuse, neglect or improper maintenance 
    of your small off-road engine.
    Your emissions control system may 
    include parts such as: 
    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 a warrantable condition exists, 
    STIHL Incorporated will repair your 
    small off-road  equipment  engine at no 
    cost to you including diagnosis, parts 
    and labor.
    Manufacturer’s Warranty 
    Coverage
    :
    This emissions control system is 
    warranted for two years in California. If 
    any emissions-related part on your 
    equipment is defective, the part will be 
    repaired or replaced by STIHL 
    Incorporated free of charge.
    Owner’s Warranty 
    Responsabilities
    :
    As the small off-road equipment engine 
    owner, you are responsible for 
    performance of the required 
    maintenance listed in your instruction 
    manual. STIHL Incorporated 
    recommends that you retain all receipts 
    covering maintenance on your small off-
    road equipment engine, but STIHL 
    Incorporated cannot deny warranty 
    solely for the lack of receipts or your 
    failure to ensure the performance of all 
    scheduled maintenance.
    As the small off-road equipment engine 
    owner, you should however be aware 
    that STIHL Incorporated may deny you 
    warranty coverage if your small off-road 
    equipment engine or a part has failed 
    due to abuse, neglect, or improper 
    maintenance or unapproved 
    modifications. You are responsible for presenting your 
    small off-road equipment engine to a 
    STIHL servicing dealer as soon as the 
    problem exists. The warranty repairs 
    should be completed in a reasonable 
    amount of time, not to exceed 30 days. If 
    you have any questions regarding your 
    warranty rights and responsibilities, 
    please contact a STIHL customer 
    service representative at 1-800-467-
    8445 or you can write to
    STIHL Inc., 536 Viking Drive,
    P.O. Box 2015,
    Virginia Beach, VA 23450-2015.
    Coverage by STIHL Incorporated
    STIHL Incorporated warrants to the 
    ultimate purchaser and each 
    subsequent purchaser that your small 
    off-road equipment engine is designed, 
    built and equipped, at the time of sale, to 
    meet all applicable emission 
    regulations. 
    STIHL Incorporated also warrants to the 
    initial purchaser and each subsequent 
    purchaser that your engine is free from 
    defects in materials and workmanship 
    which cause the engine to fail to conform 
    to applicable emission regulations for a 
    period of two years.
    For California only: 
    STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty 
    Statement 
    						
    							
    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 
    Incorporated will not be liable to warrant 
    failures of warranted parts caused by the 
    use of a non exempted add on or 
    modified part.
    The warranty on emissions-related parts 
    will be interpreted as follows:
    1. Any warranted part that is not 
    scheduled for replacement as required 
    maintenance in the written instructions 
    required in the Emission Warranty Parts 
    List (see below) must be warranted for 
    the warranty period defined in 
    Subsection COVERAGE BY STIHL 
    INCORPORATED, see above.  If any 
    such part fails during the period of 
    warranty coverage, it must be repaired 
    or replaced by the manufacturer 
    according to Subsection (4) below.  Any 
    such part repaired or replaced under the 
    warranty must be warranted for the 
    remaining warranty period.  
    2. Any warranted part that is 
    scheduled only for regular inspection in 
    the written instructions required by the 
    Emission Warranty Parts List (see 
    below) must be warranted for the 
    warranty period defined in Subsection 
    COVERAGE BY STIHL 
    INCORPORATED, see above. A 
    statement in such written instructions to 
    the effect of repair or replace as 
    necessary will not reduce the period of 
    warranty coverage. Any such part 
    repaired or replaced under warranty 
    must be warranted for the remaining 
    warranty period.
    3. Any warranted part that is 
    scheduled for replacement as required 
    maintenance in the written instructions 
    required by the Emission Warranty Parts 
    List (see below) must be warranted for 
    the period of time prior to the first 
    scheduled replacement point for that 
    part.  If the part fails prior to the first 
    scheduled replacement, the part must 
    be repaired or replaced by the engine 
    manufacturer according to Subsection 
    (4) below.  Any such part repaired or 
    replaced under warranty must be 
    warranted for the remainder of the 
    period prior to the first scheduled 
    replacement point for the part.
    4. Repair or replacement of any 
    warranted part under the warranty must 
    be performed at a warranty station at no 
    charge to the owner.5. Notwithstanding the provisions of 
    Subsection (4) above, warranty services 
    or repairs will be provided at all 
    manufacturer distribution centers that 
    are authorized to service the subject 
    engines.
    6. The owner must not be charged for 
    diagnostic labor that leads to the 
    determination that a warranted part is in 
    fact defective, provided that such 
    diagnostic work is performed at a 
    warranty station. 
    Warranty Work 
    STIHL Incorporated shall remedy 
    warranty defects at any authorized 
    STIHL servicing dealer or warranty 
    station. Any such work shall be free of 
    charge to the owner if it is determined 
    that a warranted part is defective. Any 
    manufacturer approved or equivalent 
    replacement part may be used for any 
    warranty maintenance or repairs on 
    emission related parts and must be 
    provided without charge to the owner. 
    STIHL Incorporated is liable for 
    damages to other engine components 
    caused by the failure of a warranted part 
    still under warranty.  
    						
    							
    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 product 
    registration card, or the print-out of the 
    electronic product registration.
    Limitations
    The repair or replacement of any 
    warranted part otherwise eligible for 
    warranty coverage  may be excluded 
    from such warranty coverage if STIHL 
    Incorporated demonstrates that the 
    STIHL product has been abused, 
    neglected, or improperly maintained, 
    and that such abuse, neglect, or 
    improper maintenance was the direct 
    cause of the need for repair or 
    replacement of the part. That 
    notwithstanding, any adjustment of a 
    component that has a factory installed, 
    and properly operating, adjustment 
    limiting device is still eligible for warranty 
    coverage.  
    STIHL Registered Trademarks
    STIHL®
    q
    (
    The color combination orange-grey 
    (U.S. Registrations #2,821,860; 
    #3,010,057; and #3,010,058)
    4-MIX
    ®
    AUTOCUT®
    EASYSTART®
    OILOMATIC®
    STIHL Cutquik®
    STIHL DUROMATIC®
    STIHL Farm Boss®
    STIHL Quickstop®
    STIHL ROLLOMATIC®
    STIHL WOOD BOSS®
    TIMBERSPORTS®
    YARD BOSS®
    Some of STIHL’s Common Law 
    Trademarks
    BioPlus™
    Easy2Start™
    EasySpool™
    ElastoStart™
    Ematic™ / Stihl-E-Matic™
    FixCut™
    HT Plus™
    IntelliCarb™
    Master Control Lever™
    Micro™
    Pro Mark™
    Quad Power™
    Quiet Line™
    STIHL Arctic™
    STIHL Compact™
    STIHL HomeScaper Series™
    STIHL Interchangeable Attachment 
    Series™
    Trademarks 
    						
    							
    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 prohibited. 
    						
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