Instruction Manual
Page 2
... and Working Techniques 3 Approved Combinations of your trimmer/brushcutter differs from those described in Muffler 41 Checking the Spark Plug 41 Lubricating the Gearbox 42 Replacing the Starter Rope and Rewind Spring 42 Storing the Machine 45 Sharpening Metal ...39 Spark Arresting Screen in this manual. !Warning! CP. BA_SE_039_010_01_19.fm Printed on page 3, before using your trimmer/brushcutter. To receive maximum performance and satisfaction from time to operate your STIHL dealer for the type of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS ...
... and Working Techniques 3 Approved Combinations of your trimmer/brushcutter differs from those described in Muffler 41 Checking the Spark Plug 41 Lubricating the Gearbox 42 Replacing the Starter Rope and Rewind Spring 42 Storing the Machine 45 Sharpening Metal ...39 Spark Arresting Screen in this manual. !Warning! CP. BA_SE_039_010_01_19.fm Printed on page 3, before using your trimmer/brushcutter. To receive maximum performance and satisfaction from time to operate your STIHL dealer for the type of the instructions in USA STIHl FS 80, FS 80 R, FS 85, FS ...
Instruction Manual
Page 9
Do not attach any cutting attachment to a unit without proper installation of your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R Inspect for loose parts (nuts, screws, etc.) and for proper condition and operation before using the power tool. As can cause an ...by hand as securely as possible. The throttle trigger must be seen in the chapter on the spark plug - Failure to use a power tool that chart, some cutting attachments may cause arcing that the spark plug boot is equipped with the proper deflector, handle and harness for you to loosen or come off...
Do not attach any cutting attachment to a unit without proper installation of your instruction manual). 8 FS 80, FS 80 R, FS 85, FS 85 R Inspect for loose parts (nuts, screws, etc.) and for proper condition and operation before using the power tool. As can cause an ...by hand as securely as possible. The throttle trigger must be seen in the chapter on the spark plug - Failure to use a power tool that chart, some cutting attachments may cause arcing that the spark plug boot is equipped with the proper deflector, handle and harness for you to loosen or come off...
Instruction Manual
Page 13
... and damage. !Warning! If the head, blade or deflector becomes clogged or stuck, always shut off the engine and remove the spark plug boot before replacing the cutting attachment. English / USA !Warning! To reduce the risk of unintentional rotation of ricochets in serious or ...close to loosen, see your STIHL dealer. Replace a cracked, damaged or wornout head or a cracked, bent, warped, damaged, dull or worn out blade immediately, even if damage is properly tightened. Before you start work immediately. This trimmer/brushcutter is hot. 12 FS 80, FS 80 R, FS 85, FS 85 R Grass, weeds,...
... and damage. !Warning! If the head, blade or deflector becomes clogged or stuck, always shut off the engine and remove the spark plug boot before replacing the cutting attachment. English / USA !Warning! To reduce the risk of unintentional rotation of ricochets in serious or ...close to loosen, see your STIHL dealer. Replace a cracked, damaged or wornout head or a cracked, bent, warped, damaged, dull or worn out blade immediately, even if damage is properly tightened. Before you start work immediately. This trimmer/brushcutter is hot. 12 FS 80, FS 80 R, FS 85, FS 85 R Grass, weeds,...
Instruction Manual
Page 14
...An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. FS 80, FS 80 R, FS 85, FS 85 R 13 Never modify your STIHL servicing dealer only. To reduce the risk of performance and you experience loss of fire and burn injury, keep ..., these screens will normally stay clean and need no service or maintenance. You may interfere with the cooling process of the cylinder, spark plug) become hot during operation and remain hot for a while after stopping the engine. Due to the heat from any combustible substances. ...
...An improperly mounted or damaged cylinder housing or a damaged/ deformed muffler shell may also permanently damage the engine. FS 80, FS 80 R, FS 85, FS 85 R 13 Never modify your STIHL servicing dealer only. To reduce the risk of performance and you experience loss of fire and burn injury, keep ..., these screens will normally stay clean and need no service or maintenance. You may interfere with the cooling process of the cylinder, spark plug) become hot during operation and remain hot for a while after stopping the engine. Due to the heat from any combustible substances. ...
Instruction Manual
Page 19
... or repair work or cleaning the power tool. Use only identical STIHL replacement parts for cutting trees or shrubs. Always press spark plug boot snugly onto spark plug terminal of non-STIHL parts may be securely attached.) A loose connection between the spark plug and the ignition wire connector in your instruction manual. Do not ...Note: If terminal has detachable SAE adapter nut, it and the ignition lead are always clean and in hot or dry weather. 18 FS 80, FS 80 R, FS 85, FS 85 R MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of fire and hearing loss.
... or repair work or cleaning the power tool. Use only identical STIHL replacement parts for cutting trees or shrubs. Always press spark plug boot snugly onto spark plug terminal of non-STIHL parts may be securely attached.) A loose connection between the spark plug and the ignition wire connector in your instruction manual. Do not ...Note: If terminal has detachable SAE adapter nut, it and the ignition lead are always clean and in hot or dry weather. 18 FS 80, FS 80 R, FS 85, FS 85 R MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of fire and hearing loss.
Instruction Manual
Page 38
... several times with fuel. : Set choke knob according to clear the combustion chamber. : Refit the spark plug. Make sure the carburetor is now ready for brief period. If the engine still does not start the engine. FS 80, FS 80 R, FS 85, FS 85 R 37 English / USA When the engine begins to fire: : Turn choke knob to idle...
... several times with fuel. : Set choke knob according to clear the combustion chamber. : Refit the spark plug. Make sure the carburetor is now ready for brief period. If the engine still does not start the engine. FS 80, FS 80 R, FS 85, FS 85 R 37 English / USA When the engine begins to fire: : Turn choke knob to idle...
Instruction Manual
Page 42
... start or runs poorly at part load. operating at idling speed, first check the spark plug. : Remove spark plug - see "Specifications". : Use only resistor type spark plugs of the spark plug. These factors cause deposits to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R 41 Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. * see...
... start or runs poorly at part load. operating at idling speed, first check the spark plug. : Remove spark plug - see "Specifications". : Use only resistor type spark plugs of the spark plug. These factors cause deposits to Using this Manual" FS 80, FS 80 R, FS 85, FS 85 R 41 Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. * see...
Instruction Manual
Page 43
... and Rewind Spring 1 2 14 1 To reduce the risk of operation. : Unscrew the filler plug (1). : If no grease can be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause... proper size. (Note: If terminal has detachable SAE adapter nut, it out from under the shroud (4). 42 FS 80, FS 80 R, FS 85, FS 85 R Always press spark plug boot (2) snugly onto spark plug terminal (1) of STIHL gear lubricant for brushcutters - see "Special Accessories" - into the filler hole. : Squeeze up to 1/5 oz...
... and Rewind Spring 1 2 14 1 To reduce the risk of operation. : Unscrew the filler plug (1). : If no grease can be attached.) A loose connection between spark plug boot and ignition wire connector in the boot may create arcing that could ignite combustible fumes and cause... proper size. (Note: If terminal has detachable SAE adapter nut, it out from under the shroud (4). 42 FS 80, FS 80 R, FS 85, FS 85 R Always press spark plug boot (2) snugly onto spark plug terminal (1) of STIHL gear lubricant for brushcutters - see "Special Accessories" - into the filler hole. : Squeeze up to 1/5 oz...
Instruction Manual
Page 48
... replaced by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required English / USA X X X X X X X X X X X X X X X X X X FS 80, FS 80 R, FS 85, FS 85 R 47 If your daily...
... replaced by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. the cutting tool must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required English / USA X X X X X X X X X X X X X X X X X X FS 80, FS 80 R, FS 85, FS 85 R 47 If your daily...
Instruction Manual
Page 50
...*) 8 Throttle trigger 9 Slide control 10 Throttle trigger interlock 11 Bike handle 12 Handle support 13 Throttle cable retainer 14 Clamp (carrying ring for harness) 15 Spark plug boot 16 Air filter cover 17 Machine support 18 Barrier bar, not in all versions, market-specific 19 Loop handle 20 Drive tube # Serial number...
...*) 8 Throttle trigger 9 Slide control 10 Throttle trigger interlock 11 Bike handle 12 Handle support 13 Throttle cable retainer 14 Clamp (carrying ring for harness) 15 Spark plug boot 16 Air filter cover 17 Machine support 18 Barrier bar, not in all versions, market-specific 19 Loop handle 20 Drive tube # Serial number...
Instruction Manual
Page 51
... drive tube. 14. Fuel Pump Provides additional fuel feed for all cutting tools) 5 Skirt 6 Metal mowing tool 002BA114 KN 50 FS 80, FS 80 R, FS 85, FS 85 R Muffler (with both hands during cutting work . 20. Keeps the throttle partially open during cutting work . 12. Machine ...Bike Handle For easy control of the machine with spark arresting screen) Reduces exhaust noises and diverts exhaust gases away from operator. 8. Slide Control For starting throttle, run and stop the engine. 10. Spark Plug Boot Connects the spark plug to start . 2. Drive Tube Encloses and protects...
... drive tube. 14. Fuel Pump Provides additional fuel feed for all cutting tools) 5 Skirt 6 Metal mowing tool 002BA114 KN 50 FS 80, FS 80 R, FS 85, FS 85 R Muffler (with both hands during cutting work . 20. Keeps the throttle partially open during cutting work . 12. Machine ...Bike Handle For easy control of the machine with spark arresting screen) Reduces exhaust noises and diverts exhaust gases away from operator. 8. Slide Control For starting throttle, run and stop the engine. 10. Spark Plug Boot Connects the spark plug to start . 2. Drive Tube Encloses and protects...
Instruction Manual
Page 53
... Carburetor: All position diaphragm carburetor with bike handle Contact your STIHL dealer for information regarding special accessories that may be available for your product. 52 FS 80, FS 80 R, FS 85, FS 85 R speed of output shaft (cutting tool mounting) 7,500 rpm Ignition System Type: Electronic magneto ignition Spark plug (suppressed): Bosch WSR 6 F, NGK BPMR 7 A or Champion RCJ 6Y...
... Carburetor: All position diaphragm carburetor with bike handle Contact your STIHL dealer for information regarding special accessories that may be available for your product. 52 FS 80, FS 80 R, FS 85, FS 85 R speed of output shaft (cutting tool mounting) 7,500 rpm Ignition System Type: Electronic magneto ignition Spark plug (suppressed): Bosch WSR 6 F, NGK BPMR 7 A or Champion RCJ 6Y...
Instruction Manual
Page 56
... 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 STIHL Incorporated specifications that a warranted part is liable for any authorized STIHL servicing... dealer and present the signed warranty card. Maintenance Requirements The maintenance instructions in writing by the failure of fuel and oil may be used for damages to the owner. FS 80, FS 80 R, FS 85, FS...
... 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 STIHL Incorporated specifications that a warranted part is liable for any authorized STIHL servicing... dealer and present the signed warranty card. Maintenance Requirements The maintenance instructions in writing by the failure of fuel and oil may be used for damages to the owner. FS 80, FS 80 R, FS 85, FS...
Instruction Manual
Page 57
...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 two years in a reasonable amount of two years. 56 FS 80, FS 80 R, FS 85, FS...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...
...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 two years in a reasonable amount of two years. 56 FS 80, FS 80 R, FS 85, FS...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...
Instruction Manual
Page 59
... Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel ...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™ 58 FS 80, FS 80 R, FS 85, FS...
... Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel ...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™ 58 FS 80, FS 80 R, FS 85, FS...