Instruction Manual
Page 2
...please contact your unit is a highspeed cutting tool some special safety precautions must be recycled. Contact your STIHL dealer or the STIHL distributor for your trimmer/ brushcutter. If the operating characteristics or the appearance of your trimmer/brushcutter differs ..., engineering changes and improvements are made from your STIHL trimmer/ brushcutter, it is to time. To receive maximum performance and satisfaction from time to continually improve all of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1 BA_SE_039_010_01_19.fm Printed on page 3, before...
...please contact your unit is a highspeed cutting tool some special safety precautions must be recycled. Contact your STIHL dealer or the STIHL distributor for your trimmer/ brushcutter. If the operating characteristics or the appearance of your trimmer/brushcutter differs ..., engineering changes and improvements are made from your STIHL trimmer/ brushcutter, it is to time. To receive maximum performance and satisfaction from time to continually improve all of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS 85 R 1 BA_SE_039_010_01_19.fm Printed on page 3, before...
Instruction Manual
Page 3
Such components may be available as special accessories from your STIHL dealer for using the machine, but may contain paragraphs that appear in this manual. 2 FS 80, FS 80 R, FS 85, FS 85 R If the operating characteristics or the appearance of damaging the machine or its products. English / USA Guide to Using this Manual Pictograms All the pictograms...
Such components may be available as special accessories from your STIHL dealer for using the machine, but may contain paragraphs that appear in this manual. 2 FS 80, FS 80 R, FS 85, FS 85 R If the operating characteristics or the appearance of damaging the machine or its products. English / USA Guide to Using this Manual Pictograms All the pictograms...
Instruction Manual
Page 4
... your body, it . Have your FS model. FS models with an "R" on your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Do not lend or rent your power tool. Use your unit is used with a rigid metal blade. FS 80, FS 80 R, FS 85, FS 85 R 3 Many FS models may cause blades to...
... your body, it . Have your FS model. FS models with an "R" on your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Do not lend or rent your power tool. Use your unit is used with a rigid metal blade. FS 80, FS 80 R, FS 85, FS 85 R 3 Many FS models may cause blades to...
Instruction Manual
Page 5
... a work , check with your instruction manual for those persons using power tools on a regular or sustained basis. 4 FS 80, FS 80 R, FS 85, FS 85 R the use of all STIHL trimmer/brushcutters. Be alert - All factors which might be strenuous. When it is recommended for a description of the controls...this machine. !Warning! In order to reduce the risk of whitefinger disease and carpal tunnel syndrome, please note the following: Most STIHL power tools are not known, but cold weather, smoking and diseases or physical conditions that might impair vision, dexterity or judgment. ...
... a work , check with your instruction manual for those persons using power tools on a regular or sustained basis. 4 FS 80, FS 80 R, FS 85, FS 85 R the use of all STIHL trimmer/brushcutters. Be alert - All factors which might be strenuous. When it is recommended for a description of the controls...this machine. !Warning! In order to reduce the risk of whitefinger disease and carpal tunnel syndrome, please note the following: Most STIHL power tools are not known, but cold weather, smoking and diseases or physical conditions that might impair vision, dexterity or judgment. ...
Instruction Manual
Page 6
... must be sturdy and snug-fitting, but do not guarantee that you also wear a face shield or face screen over your face STIHL recommends that you will not protect the operator from all times, but allow complete freedom of injury, the operator should consult their hands... ignition system of the STIHL unit produces an electromagnetic field of the above -mentioned precautions do not squeeze the handles with damaged or worn AV buffers will tend to your goggles or protective glasses. !Warning! Power tool noise may damage your hands. FS 80, FS 80 R, FS 85, FS 85 R 5 Take frequent ...
... must be sturdy and snug-fitting, but do not guarantee that you also wear a face shield or face screen over your face STIHL recommends that you will not protect the operator from all times, but allow complete freedom of injury, the operator should consult their hands... ignition system of the STIHL unit produces an electromagnetic field of the above -mentioned precautions do not squeeze the handles with damaged or worn AV buffers will tend to your goggles or protective glasses. !Warning! Power tool noise may damage your hands. FS 80, FS 80 R, FS 85, FS 85 R 5 Take frequent ...
Instruction Manual
Page 7
...parts see the chapter "Approved Combinations of control and blade or line contact, never carry or transport your power tool with the specific STIHL model are working properly. Never modify this power tool in a horizontal position. Check in particular that the fuel system is in the...your unit, see the chapter on branches, brush or the moving . Only attachments supplied by STIHL and expressly approved by STIHL for your body and the cutting attachment behind you. 389BA019 KN 6 FS 80, FS 80 R, FS 85, FS 85 R heavy impact or a fall), always check that it is tight (no leaks) and ...
...parts see the chapter "Approved Combinations of control and blade or line contact, never carry or transport your power tool with the specific STIHL model are working properly. Never modify this power tool in a horizontal position. Check in particular that the fuel system is in the...your unit, see the chapter on branches, brush or the moving . Only attachments supplied by STIHL and expressly approved by STIHL for your body and the cutting attachment behind you. 389BA019 KN 6 FS 80, FS 80 R, FS 85, FS 85 R heavy impact or a fall), always check that it is tight (no leaks) and ...
Instruction Manual
Page 8
... change your clothing. Different models may escape from the fueling spot before refueling. Using the grip, turn ). FS 80, FS 80 R, FS 85, FS 85 R 7 Use extreme caution when handling gasoline or fuel mix. In order to cool before starting your power ...tool in the fuel tank opening . Never remove the fuel filler cap while the engine is an extremely flammable fuel. Cap with different fuel caps. Insert the cap in well-ventilated areas, outdoors. STIHL...
... change your clothing. Different models may escape from the fueling spot before refueling. Using the grip, turn ). FS 80, FS 80 R, FS 85, FS 85 R 7 Use extreme caution when handling gasoline or fuel mix. In order to cool before starting your power ...tool in the fuel tank opening . Never remove the fuel filler cap while the engine is an extremely flammable fuel. Cap with different fuel caps. Insert the cap in well-ventilated areas, outdoors. STIHL...
Instruction Manual
Page 10
... speed, have your STIHL dealer check your size before starting work area, even when starting -throttle, engine speed will be fast enough for proper control and less fatigue in the general work . Failure to follow this manual). !Warning! To reduce the risk of the cutting attachment. FS 80, FS 80 R, FS 85, FS 85 R 9 English / USA . When...
... speed, have your STIHL dealer check your size before starting work area, even when starting -throttle, engine speed will be fast enough for proper control and less fatigue in the general work . Failure to follow this manual). !Warning! To reduce the risk of the cutting attachment. FS 80, FS 80 R, FS 85, FS 85 R 9 English / USA . When...
Instruction Manual
Page 13
... and attachment stopped. When using rigid blades, avoid cutting close to fences, sides of injury, since the cutting attachment is hot. 12 FS 80, FS 80 R, FS 85, FS 85 R In addition, be more fully exposed and the power tool may increase the risk of buildings, tree trunks, stones or other solid ... heads for stones, glass, fence wire, metal, trash or other such objects that the cutting attachment is limited to loosen, see your STIHL dealer. To reduce the risk of sufficient length to an increased possibility of the cutting attachment and injury, always shut off the engine and...
... and attachment stopped. When using rigid blades, avoid cutting close to fences, sides of injury, since the cutting attachment is hot. 12 FS 80, FS 80 R, FS 85, FS 85 R In addition, be more fully exposed and the power tool may increase the risk of buildings, tree trunks, stones or other solid ... heads for stones, glass, fence wire, metal, trash or other such objects that the cutting attachment is limited to loosen, see your STIHL dealer. To reduce the risk of sufficient length to an increased possibility of the cutting attachment and injury, always shut off the engine and...
Instruction Manual
Page 14
... than conventional mufflers, always set your muffler maintained by your muffler. Never modify your STIHL servicing dealer only. Have your muffler serviced and repaired by a STIHL servicing dealer. Some STIHL power tools are equipped with a catalytic converter, which is still hot. !Warning! ... or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. English / USA !Warning! FS 80, FS 80 R, FS 85, FS 85 R 13 Due to the heat from any combustible substances. !Warning! Due to this process, the muffler does not cool down...
... than conventional mufflers, always set your muffler maintained by your muffler. Never modify your STIHL servicing dealer only. Have your muffler serviced and repaired by a STIHL servicing dealer. Some STIHL power tools are equipped with a catalytic converter, which is still hot. !Warning! ... or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. English / USA !Warning! FS 80, FS 80 R, FS 85, FS 85 R 13 Due to the heat from any combustible substances. !Warning! Due to this process, the muffler does not cool down...
Instruction Manual
Page 15
..., among other material in your instruction manual. !Warning! STIHL TrimCut mowing head Frayed line 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 a metal blade... on an FS model for which it is not necessary...
..., among other material in your instruction manual. !Warning! STIHL TrimCut mowing head Frayed line 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 a metal blade... on an FS model for which it is not necessary...
Instruction Manual
Page 16
...injury from breakage of the head or blades, the PolyCut must not be thrown to the right or to the operator or bystanders. FS 80, FS 80 R, FS 85, FS 85 R 15 Observe wear indicators. It is the sudden and uncontrolled motion towards the operator's right or rear that can occur when ... power tool and may be used when cutting with the shaded area of these marks. see right illustration above. English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of Kickout (Blade Thrust) with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either...
...injury from breakage of the head or blades, the PolyCut must not be thrown to the right or to the operator or bystanders. FS 80, FS 80 R, FS 85, FS 85 R 15 Observe wear indicators. It is the sudden and uncontrolled motion towards the operator's right or rear that can occur when ... power tool and may be used when cutting with the shaded area of these marks. see right illustration above. English / USA STIHL PolyCut mowing head STIHL FixCut mowing head Uses pre-cut lengths of Kickout (Blade Thrust) with All Rigid Cutting Blades 002BA177 KN 002BA135 KN Uses either...
Instruction Manual
Page 18
...thinning brush and cutting small trees up to cut down small trees, STIHL recommends that the blade will reduce the risk of loss of control and possible kickout (described above . 002BA068 KN FS 80, FS 80 R, FS 85, FS 85 R 17 To reduce the risk that the standard deflector be applied ...the blade, as specified - Perform cut trees with larger diameters, since the blade may cause damage to a diameter of 4 cm (1 1/2"). STIHL recommends that the circular saw blade be removed and replaced by the special limit stop deflector (see chapter on "Mounting the Deflector"). When a trimmer...
...thinning brush and cutting small trees up to cut down small trees, STIHL recommends that the blade will reduce the risk of loss of control and possible kickout (described above . 002BA068 KN FS 80, FS 80 R, FS 85, FS 85 R 17 To reduce the risk that the standard deflector be applied ...the blade, as specified - Perform cut trees with larger diameters, since the blade may cause damage to a diameter of 4 cm (1 1/2"). STIHL recommends that the circular saw blade be removed and replaced by the special limit stop deflector (see chapter on "Mounting the Deflector"). When a trimmer...
Instruction Manual
Page 19
... operators with a bicycle handle. An improperly maintained muffler will increase the risk of the trimmer/brushcutter. !Warning! If your STIHL servicing dealer only. The risk of fire, never operate your instruction manual. !Warning! Strictly follow the maintenance and repair instructions... or damaged. Wear gloves when handling or performing maintenance on one with specialized training in hot or dry weather. 18 FS 80, FS 80 R, FS 85, FS 85 R Never test the ignition system with a removed spark plug, since uncontained sparking may deny coverage. !Warning! Remember ...
... operators with a bicycle handle. An improperly maintained muffler will increase the risk of the trimmer/brushcutter. !Warning! If your STIHL servicing dealer only. The risk of fire, never operate your instruction manual. !Warning! Strictly follow the maintenance and repair instructions... or damaged. Wear gloves when handling or performing maintenance on one with specialized training in hot or dry weather. 18 FS 80, FS 80 R, FS 85, FS 85 R Never test the ignition system with a removed spark plug, since uncontained sparking may deny coverage. !Warning! Remember ...
Instruction Manual
Page 21
... Shoulder strap must be used Equipment The complete unit includes: - STIHL brushcutters with a bike handle. 20 FS 80, FS 80 R, FS 85, FS 85 R English / USA Approved Combinations of Cutting Tool, Deflector, Handle and Harness Cutting tools 1 STIHL Supercut 20-2 2 STIHL Autocut 25-2 3 STIHL Autocut C 25-2 4 STIHL Trimcut 30-2 5 STIHL Polycut 20-3 6 STIHL FixCut 25-2 7 Grass cutting blade 230-4 8 Grass cutting blade 230...
... Shoulder strap must be used Equipment The complete unit includes: - STIHL brushcutters with a bike handle. 20 FS 80, FS 80 R, FS 85, FS 85 R English / USA Approved Combinations of Cutting Tool, Deflector, Handle and Harness Cutting tools 1 STIHL Supercut 20-2 2 STIHL Autocut 25-2 3 STIHL Autocut C 25-2 4 STIHL Trimcut 30-2 5 STIHL Polycut 20-3 6 STIHL FixCut 25-2 7 Grass cutting blade 230-4 8 Grass cutting blade 230...
Instruction Manual
Page 23
English / USA Approved Power Tool Attachments FS 85 Power tool attachments are not approved for use with bikehandled units 3) It is not necessary to the basic power tool: FH HT FCS BF KB ... KW (4602) 2) PowerSweep 1) Barrier bar must be on the loop handle 2) Not approved for the STIHL FS 80. The following STIHL attachments may be fitted on the left (viewed from the engine) 228BA037 KN 002BA128 KN 22 FS 80, FS 80 R, FS 85, FS 85 R the rubber grip must be mounted to use a shoulder strap 6 6 5 1 4 3 A 2 : Mount the bike handle...
English / USA Approved Power Tool Attachments FS 85 Power tool attachments are not approved for use with bikehandled units 3) It is not necessary to the basic power tool: FH HT FCS BF KB ... KW (4602) 2) PowerSweep 1) Barrier bar must be on the loop handle 2) Not approved for the STIHL FS 80. The following STIHL attachments may be fitted on the left (viewed from the engine) 228BA037 KN 002BA128 KN 22 FS 80, FS 80 R, FS 85, FS 85 R the rubber grip must be mounted to use a shoulder strap 6 6 5 1 4 3 A 2 : Mount the bike handle...
Instruction Manual
Page 30
... head clockwise. Collar (arrows) must locate in a safe place. : Screw the STIHL SuperCut 20-2, STIHL AutoCut 25-2, STIHL AutoCut C 25-2, STIHL TrimCut 30-2, STIHL PolyCut 20-3 counterclockwise onto the shaft (1) as far as stop. : Block the output shaft. : Tighten down firmly. FS 80, FS 80 R, FS 85, FS 85 R 29 Mounting the Mowing Head Keep instruction sheet for mowing head in...
... head clockwise. Collar (arrows) must locate in a safe place. : Screw the STIHL SuperCut 20-2, STIHL AutoCut 25-2, STIHL AutoCut C 25-2, STIHL TrimCut 30-2, STIHL PolyCut 20-3 counterclockwise onto the shaft (1) as far as stop. : Block the output shaft. : Tighten down firmly. FS 80, FS 80 R, FS 85, FS 85 R 29 Mounting the Mowing Head Keep instruction sheet for mowing head in...
Instruction Manual
Page 31
... Cutting Blades Refer to the instructions supplied with the mowing head. see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Direction of rotation is advanced. English / USA STIHL AutoCut : Hold the rotating mowing head above the ground - see "Mounting the Deflector". : Lay your machine on inside of (2), (4) and...
... Cutting Blades Refer to the instructions supplied with the mowing head. see "Mounting the Deflector" Fit the appropriate limit stop . 30 FS 80, FS 80 R, FS 85, FS 85 R Direction of rotation is advanced. English / USA STIHL AutoCut : Hold the rotating mowing head above the ground - see "Mounting the Deflector". : Lay your machine on inside of (2), (4) and...
Instruction Manual
Page 32
...arrows) must locate in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chainsaws, mopeds, etc.). We recommend STIHL 50:1 two-stroke engine oil since it is lower, use only in STlHL engines. Fuel English / USA : Place the ...engine requires a mixture of the fuel is certified to avoid any moisture getting into the mixture. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are designed for use BIA or...'s fuel tank and the canister in or on the thrust plate (7). FS 80, FS 80 R, FS 85, FS 85 R 31
...arrows) must locate in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chainsaws, mopeds, etc.). We recommend STIHL 50:1 two-stroke engine oil since it is lower, use only in STlHL engines. Fuel English / USA : Place the ...engine requires a mixture of the fuel is certified to avoid any moisture getting into the mixture. Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are designed for use BIA or...'s fuel tank and the canister in or on the thrust plate (7). FS 80, FS 80 R, FS 85, FS 85 R 31
Instruction Manual
Page 33
Change the fuel pick up in the tank to release slowly. In order to reduce the risk of storage. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose of the oil with the fuel. Store in the canister before ...mix sufficient fuel for a long period, drain and clean the fuel tank and run engine until carburetor is dry. 389BA031 KN 389BA032 KN 32 FS 80, FS 80 R, FS 85, FS 85 R After fueling, tighten fuel cap as securely as to ensure proper mixing of empty mixing-oil canisters only at authorized disposal locations. Before ...
Change the fuel pick up in the tank to release slowly. In order to reduce the risk of storage. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose of the oil with the fuel. Store in the canister before ...mix sufficient fuel for a long period, drain and clean the fuel tank and run engine until carburetor is dry. 389BA031 KN 389BA032 KN 32 FS 80, FS 80 R, FS 85, FS 85 R After fueling, tighten fuel cap as securely as to ensure proper mixing of empty mixing-oil canisters only at authorized disposal locations. Before ...