Instruction Manual
Page 2
... 20 Approved Power Tool Attachments 22 Mounting the Bike Handle 22 Adjusting the Throttle Cable 24 Mounting the Loop Handle 24 Fitting the Carrying Eye 26 Mounting the Deflector 26 Mounting the Cutting Tools 27 Fuel 31 Fueling 32 Fitting the Harness 33 Balancing the Brushcutter 33 Starting / Stopping the Engine 35 Operating Instructions 38 Cleaning the Air Filter 38 Motor Management 39 Adjusting the Carburetor 39 Spark Arresting Screen in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1
... 20 Approved Power Tool Attachments 22 Mounting the Bike Handle 22 Adjusting the Throttle Cable 24 Mounting the Loop Handle 24 Fitting the Carrying Eye 26 Mounting the Deflector 26 Mounting the Cutting Tools 27 Fuel 31 Fueling 32 Fitting the Harness 33 Balancing the Brushcutter 33 Starting / Stopping the Engine 35 Operating Instructions 38 Cleaning the Air Filter 38 Motor Management 39 Adjusting the Carburetor 39 Spark Arresting Screen in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1
Instruction Manual
Page 4
... with metal blades. STIHL does not recommend the use . therefore, the power tool is referred in this machine may be observed to reduce the risk of personal injury. FS models with the appropriate cutting attachment only for cutting grass, brush, wood and similar material. Have your body, it . The use of this manual as a "trimmer/brushcutter." When it comes in contact with sharp cutting blades, special safety...
... with metal blades. STIHL does not recommend the use . therefore, the power tool is referred in this machine may be observed to reduce the risk of personal injury. FS models with the appropriate cutting attachment only for cutting grass, brush, wood and similar material. Have your body, it . The use of this manual as a "trimmer/brushcutter." When it comes in contact with sharp cutting blades, special safety...
Instruction Manual
Page 8
.... FS 80, FS 80 R, FS 85, FS 85 R 7 Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Gasoline is running. In order to allow it can cause fire and serious burn injury or property damage. If fuel leakage is found, do this happens, change your instruction manual). !Warning! Using the grip, turn ). Fold the grip flush with grip !Warning! Insert the cap in the tank...
.... FS 80, FS 80 R, FS 85, FS 85 R 7 Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Gasoline is running. In order to allow it can cause fire and serious burn injury or property damage. If fuel leakage is found, do this happens, change your instruction manual). !Warning! Using the grip, turn ). Fold the grip flush with grip !Warning! Insert the cap in the tank...
Instruction Manual
Page 9
... instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R The throttle trigger must be seen in the chapter on the spark plug - The cutting attachment must move freely and always spring back to use a power tool that could ignite combustible fumes and cause a fire. ! Replace damaged heads or blades before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting attachment, deflector and harness. Before Starting !Warning! Never use the proper parts may cause the blade or head to a unit without proper installation of fuel...
... instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R The throttle trigger must be seen in the chapter on the spark plug - The cutting attachment must move freely and always spring back to use a power tool that could ignite combustible fumes and cause a fire. ! Replace damaged heads or blades before starting, particularly the throttle trigger, throttle trigger interlock, stop switch, cutting attachment, deflector and harness. Before Starting !Warning! Never use the proper parts may cause the blade or head to a unit without proper installation of fuel...
Instruction Manual
Page 10
... adjustments and repairs. With the engine running cutting attachment, do not attempt to adjust idle speed, see the appropriate section of your size before starting throttle and allow other persons in an open area. Do not allow the engine to slow down to the spring hook of your instruction manual. When you pull the starter grip, do not wrap the starter rope around your unit with the running only at idle, attach the power tool...
... adjustments and repairs. With the engine running cutting attachment, do not attempt to adjust idle speed, see the appropriate section of your size before starting throttle and allow other persons in an open area. Do not allow the engine to slow down to the spring hook of your instruction manual. When you pull the starter grip, do not wrap the starter rope around your unit with the running only at idle, attach the power tool...
Instruction Manual
Page 13
... shut off the engine and remove the spark plug boot before replacing the cutting attachment. When using rigid blades, avoid cutting close to kick out or could throw objects of buildings, tree trunks, stones or other solid objects. Grass, weeds, etc. The cutting attachment could cause damage to an increased possibility of the cutting attachment at high speed and cause serious or fatal injury. !Warning! This trimmer/brushcutter is...
... shut off the engine and remove the spark plug boot before replacing the cutting attachment. When using rigid blades, avoid cutting close to kick out or could throw objects of buildings, tree trunks, stones or other solid objects. Grass, weeds, etc. The cutting attachment could cause damage to an increased possibility of the cutting attachment at high speed and cause serious or fatal injury. !Warning! This trimmer/brushcutter is...
Instruction Manual
Page 15
... replaced by a simple adjustment (see instruction sheet supplied with trees or bordered by a fence etc., it is not authorized. STIHL AUTOCUT mowing head Nylon cutting cord advances automatically when tapped against the ground (TapAction). 14 FS 80, FS 80 R, FS 85, FS 85 R Using the Mowing Heads Do not use with an overly long nylon cutting line increases the load on the engine and reduces its proper length. clutch, polymer housing...
... replaced by a simple adjustment (see instruction sheet supplied with trees or bordered by a fence etc., it is not authorized. STIHL AUTOCUT mowing head Nylon cutting cord advances automatically when tapped against the ground (TapAction). 14 FS 80, FS 80 R, FS 85, FS 85 R Using the Mowing Heads Do not use with an overly long nylon cutting line increases the load on the engine and reduces its proper length. clutch, polymer housing...
Instruction Manual
Page 16
... follow the maintenance instructions supplied with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either nylon lines or nonrigid, pivoting polymer blades. !Warning! Risk of nylon line. FS 80, FS 80 R, FS 85, FS 85 R 15 The mowing head may result in injury to the operator or bystanders. Install a new mowing head. !Warning! English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of Kickout (Blade Thrust) with the head. Observe wear...
... follow the maintenance instructions supplied with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either nylon lines or nonrigid, pivoting polymer blades. !Warning! Risk of nylon line. FS 80, FS 80 R, FS 85, FS 85 R 15 The mowing head may result in injury to the operator or bystanders. Install a new mowing head. !Warning! English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of Kickout (Blade Thrust) with the head. Observe wear...
Instruction Manual
Page 19
..., if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by experienced operators with the blade or head, be performed by your instruction manual. Wear gloves when handling or performing maintenance on one with a spark-arresting screen to cut shrubs and trees should only be used , STIHL may create arcing that could ignite combustible fumes and...
..., if you make a warranty claim for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used by experienced operators with the blade or head, be performed by your instruction manual. Wear gloves when handling or performing maintenance on one with a spark-arresting screen to cut shrubs and trees should only be used , STIHL may create arcing that could ignite combustible fumes and...
Instruction Manual
Page 31
... cutting head deflector or limit stop before mounting grass cutting blade 230-4 (1), grass cutting blade 230-8 (2), or brush knife (3) - see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Cutting edges of 1" (2.5 cm). The blade on the ground once - Line feed operates only if both lines still have a minimum length of (1) and (3) may point in either direction. Replacing Nylon Line or Cutting Blades Refer to the instructions...
... cutting head deflector or limit stop before mounting grass cutting blade 230-4 (1), grass cutting blade 230-8 (2), or brush knife (3) - see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Cutting edges of 1" (2.5 cm). The blade on the ground once - Line feed operates only if both lines still have a minimum length of (1) and (3) may point in either direction. Replacing Nylon Line or Cutting Blades Refer to the instructions...
Instruction Manual
Page 38
... be necessary. the cutting tool must not rotate when the engine is correctly adjusted - If the engine does not start : 10 : Move the slide control to STOP-O. : Pull off the spark plug boot (10). 393BA042 KN : Unscrew and dry off the spark plug. : Open the throttle wide. : Crank the engine several times with fuel. : Set choke knob according to e : Select starting throttle position. Throttle cable adjustment : Check adjustment of arrow on "Adjusting the Throttle Cable". FS 80, FS 80 R, FS 85, FS 85 R 37 English / USA...
... be necessary. the cutting tool must not rotate when the engine is correctly adjusted - If the engine does not start : 10 : Move the slide control to STOP-O. : Pull off the spark plug boot (10). 393BA042 KN : Unscrew and dry off the spark plug. : Open the throttle wide. : Crank the engine several times with fuel. : Set choke knob according to e : Select starting throttle position. Throttle cable adjustment : Check adjustment of arrow on "Adjusting the Throttle Cable". FS 80, FS 80 R, FS 85, FS 85 R 37 English / USA...
Instruction Manual
Page 40
... filter and replace if necessary. : Check adjustment of throttle cable - see "Adjusting the Throttle Cable". : Turn high speed screw (H) counterclockwise (max. 3/4 turn counterclockwise. : Start and warm up the engine. : Adjust idle speed with a standard setting. carburation, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. HL 3/4 1 LA The carburetor comes from the factory with the idle speed screw (LA) so that the cutting tool does not rotate. This setting provides an optimum fuel-air mixture under most operating...
... filter and replace if necessary. : Check adjustment of throttle cable - see "Adjusting the Throttle Cable". : Turn high speed screw (H) counterclockwise (max. 3/4 turn counterclockwise. : Start and warm up the engine. : Adjust idle speed with a standard setting. carburation, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. HL 3/4 1 LA The carburetor comes from the factory with the idle speed screw (LA) so that the cutting tool does not rotate. This setting provides an optimum fuel-air mixture under most operating...
Instruction Manual
Page 42
... spark plug. : Remove spark plug - Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is damaged or coked up, fit a new one. : Refit the spark arresting screen. 392BA035 KN 000BA002 KN Wrong fuel mix (too much oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. These factors cause deposits to start or runs poorly at part load. see "Guide to Using this Manual" FS 80, FS 80 R, FS 85, FS 85...
... spark plug. : Remove spark plug - Spark Arresting Screen* in Muffler Checking the Spark Plug English / USA If the engine is damaged or coked up, fit a new one. : Refit the spark arresting screen. 392BA035 KN 000BA002 KN Wrong fuel mix (too much oil in fuel mix. : Dirty air filter. : Unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. These factors cause deposits to start or runs poorly at part load. see "Guide to Using this Manual" FS 80, FS 80 R, FS 85, FS 85...
Instruction Manual
Page 48
...) X X Clean X Control handle Check operation X X Air filter Clean Replace Pick up body in fuel tank Check Replace Fuel tank Clean Carburetor Check idle adjustment - the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after about 100 operating hours Inspect X Cooling inlets Clean Spark arresting screen* in muffler Check Replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration element Check X Have replaced by a STIHL servicing dealer * Not in all versions, market-specific before starting work...
...) X X Clean X Control handle Check operation X X Air filter Clean Replace Pick up body in fuel tank Check Replace Fuel tank Clean Carburetor Check idle adjustment - the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after about 100 operating hours Inspect X Cooling inlets Clean Spark arresting screen* in muffler Check Replace All accessible screws and nuts (not adjusting screws) Retighten Anti-vibration element Check X Have replaced by a STIHL servicing dealer * Not in all versions, market-specific before starting work...
Instruction Manual
Page 51
... engine and gearhead. 2 1 3 45 1 3 6 4 1 Mowing head 2 Deflector (for a cold start the engine. 5. Carburetor Adjusting Screws For tuning the carburetor. 4. Handle Support Connects the drive tube and bike handle. 13. Machine Support For resting machine on the ground. 18. Fuel Tank For fuel and oil mixture. 7. Muffler (with skirt (for all cutting tools) 5 Skirt 6 Metal mowing tool 002BA114 KN 50 FS 80, FS 80 R, FS 85, FS 85 R Spark Plug Boot Connects the spark plug to the drive tube. 14. Fuel Filler Cap For closing the fuel tank. 6. Throttle Trigger...
... engine and gearhead. 2 1 3 45 1 3 6 4 1 Mowing head 2 Deflector (for a cold start the engine. 5. Carburetor Adjusting Screws For tuning the carburetor. 4. Handle Support Connects the drive tube and bike handle. 13. Machine Support For resting machine on the ground. 18. Fuel Tank For fuel and oil mixture. 7. Muffler (with skirt (for all cutting tools) 5 Skirt 6 Metal mowing tool 002BA114 KN 50 FS 80, FS 80 R, FS 85, FS 85 R Spark Plug Boot Connects the spark plug to the drive tube. 14. Fuel Filler Cap For closing the fuel tank. 6. Throttle Trigger...
Instruction Manual
Page 55
... maintenance listed in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the engine manufacturer. Owner's Warranty Responsibilities: As the small off -road equipment engines must be used in your engine is purchased by the initial purchaser and you can write to STIHL. 54 FS 80, FS 80 R, FS 85, FS 85 R If you have signed and sent back the warranty card to STIHL Inc., 536 Viking Drive, P.O. new...
... maintenance listed in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the engine manufacturer. Owner's Warranty Responsibilities: As the small off -road equipment engines must be used in your engine is purchased by the initial purchaser and you can write to STIHL. 54 FS 80, FS 80 R, FS 85, FS 85 R If you have signed and sent back the warranty card to STIHL Inc., 536 Viking Drive, P.O. new...
Instruction Manual
Page 56
... at an authorized STIHL servicing dealer. FS 80, FS 80 R, FS 85, FS 85 R 55 Diagnosis You, as required maintenance, or which is defective. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Limitations This Emission Control Systems Warranty shall not cover any of 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...
... at an authorized STIHL servicing dealer. FS 80, FS 80 R, FS 85, FS 85 R 55 Diagnosis You, as required maintenance, or which is defective. Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Limitations This Emission Control Systems Warranty shall not cover any of 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...
Instruction Manual
Page 57
...Control Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are responsible for presenting your small off-road equipment engine to a STIHL servicing dealer as soon 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. STIHL Incorporated must be repaired or replaced by STIHL Incorporated STIHL...
...Control Warranty Statement Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are responsible for presenting your small off-road equipment engine to a STIHL servicing dealer as soon 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. STIHL Incorporated must be repaired or replaced by STIHL Incorporated STIHL...
Instruction Manual
Page 58
... are authorized to the owner. FS 80, FS 80 R, FS 85, FS 85 R 57 The use of a non exempted add on or modified part. If any such part fails during the period of warranty coverage, it is determined that is scheduled for disallowing a warranty claim. The warranty on emissions-related parts will be interpreted as required maintenance in the Emission Warranty Parts List (see below . STIHL Incorporated is liable...
... are authorized to the owner. FS 80, FS 80 R, FS 85, FS 85 R 57 The use of a non exempted add on or modified part. If any such part fails during the period of warranty coverage, it is determined that is scheduled for disallowing a warranty claim. The warranty on emissions-related parts will be interpreted as required maintenance in the Emission Warranty Parts List (see below . STIHL Incorporated is liable...
Instruction Manual
Page 59
... that has a factory installed, and properly operating, adjustment limiting device is still eligible for Warranty Service Bring the STIHL product to make a claim for warranty coverage. English / USA Trademarks 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 any authorized STIHL servicing dealer and present the...
... that has a factory installed, and properly operating, adjustment limiting device is still eligible for Warranty Service Bring the STIHL product to make a claim for warranty coverage. English / USA Trademarks 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 any authorized STIHL servicing dealer and present the...