Product Instruction Manual
Page 2
... Fitting the Harness 32 Balancing the Brushcutter 33 Starting / Stopping the Engine ........ 34 Operating Instructions 37 Cleaning the Air Filter 37 Motor Management 38 Adjusting the Carburetor 38 Checking the Spark Plug 40 Engine Running Behavior 41 Lubricating the Gearbox...in this manual, please contact your STIHL dealer for the type of the instructions in this manual to operate your trimmer/ brushcutter. To receive maximum performance and satisfaction from those described in USA STIHl FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 1 BA_SE_049_008_01_20.fm Printed on ...
... Fitting the Harness 32 Balancing the Brushcutter 33 Starting / Stopping the Engine ........ 34 Operating Instructions 37 Cleaning the Air Filter 37 Motor Management 38 Adjusting the Carburetor 38 Checking the Spark Plug 40 Engine Running Behavior 41 Lubricating the Gearbox...in this manual, please contact your STIHL dealer for the type of the instructions in this manual to operate your trimmer/ brushcutter. To receive maximum performance and satisfaction from those described in USA STIHl FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 1 BA_SE_049_008_01_20.fm Printed on ...
Product Instruction Manual
Page 38
... protects enginemounted components (ignition, carburetor) from inside the cover and around the filter (3). 250BA022 KN FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 37 Tank run until dry : After refueling, press the fuel pump bulb at regular intervals and retighten as necessary. 1 3 2 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. During...
... protects enginemounted components (ignition, carburetor) from inside the cover and around the filter (3). 250BA022 KN FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 37 Tank run until dry : After refueling, press the fuel pump bulb at regular intervals and retighten as necessary. 1 3 2 Dirty air filters reduce engine power, increase fuel consumption and make starting more difficult. During...
Product Instruction Manual
Page 39
... provide an optimum fuel-air mixture under most operating conditions. With this carburetor it - English / USA Motor Management Adjusting the Carburetor : Remove the filter element and inspect it is designed to adjust the engine idle speed within fine limits. 38 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R do not clean. : Install filter element in the cover...
... provide an optimum fuel-air mixture under most operating conditions. With this carburetor it - English / USA Motor Management Adjusting the Carburetor : Remove the filter element and inspect it is designed to adjust the engine idle speed within fine limits. 38 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R do not clean. : Install filter element in the cover...
Product Instruction Manual
Page 40
...) slowly clockwise until it is properly adjusted - FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 39 readjust if necessary - the cutting tool must not rotate. and: At high altitude : Turn high speed screw (H) clock- English / USA Standard Setting : Shut off the engine. : Mount the cutting tool. : Check the air filter and replace if necessary. : Check that...
...) slowly clockwise until it is properly adjusted - FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 39 readjust if necessary - the cutting tool must not rotate. and: At high altitude : Turn high speed screw (H) clock- English / USA Standard Setting : Shut off the engine. : Mount the cutting tool. : Check the air filter and replace if necessary. : Check that...
Product Instruction Manual
Page 41
.... Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 40 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Wrong fuel mix (too much oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. see "Specifications". : Use only resistor type spark plugs of spark plug: : Too much engine...
.... Fit a new spark plug after approx. 100 operating hours or earlier if the electrodes are badly eroded. 40 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Wrong fuel mix (too much oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. see "Specifications". : Use only resistor type spark plugs of spark plug: : Too much engine...
Product Instruction Manual
Page 42
...STIHL dealers. see "Special Accessories" - 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 muffler. into the filler hole. : Squeeze up to 1/5 oz (5 g) grease into the gear housing. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250... even though the air filter is clean and the carburetor and throttle cable are properly adjusted, the cause may be in the boot may create arcing that maintenance and repair work be carried out only by STIHL. Always press spark...
...STIHL dealers. see "Special Accessories" - 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 muffler. into the filler hole. : Squeeze up to 1/5 oz (5 g) grease into the gear housing. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250... even though the air filter is clean and the carburetor and throttle cable are properly adjusted, the cause may be in the boot may create arcing that maintenance and repair work be carried out only by STIHL. Always press spark...
Product Instruction Manual
Page 45
... of the reach of children and other unauthorized persons. : Use a file (special accessory) to the cylinder fins and air filter. : Store the machine in a dry, high or locked location - To avoid out-of-balance : After resharpening about...Sharpening Metal Cutting Tools For periods of about 5 times, have work done by STIHL dealer. : Resharpen frequently, take away as little material as necessary. 1 2 1 1 2 2 : Resharpen the cutters (1) uniformly - See cutting tool packaging for additional sharpening instructions. 002BA042 KN 44 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R
... of the reach of children and other unauthorized persons. : Use a file (special accessory) to the cylinder fins and air filter. : Store the machine in a dry, high or locked location - To avoid out-of-balance : After resharpening about...Sharpening Metal Cutting Tools For periods of about 5 times, have work done by STIHL dealer. : Resharpen frequently, take away as little material as necessary. 1 2 1 1 2 2 : Resharpen the cutters (1) uniformly - See cutting tool packaging for additional sharpening instructions. 002BA042 KN 44 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R
Product Instruction Manual
Page 46
... 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 X X FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 45 If your daily working time is longer than normal or cutting conditions are difficult (very dusty work or daily after about 100... servicing dealer1) Retighten Check X Have replaced by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling ...
... 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 X X FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 45 If your daily working time is longer than normal or cutting conditions are difficult (very dusty work or daily after about 100... servicing dealer1) Retighten Check X Have replaced by servicing dealer1) 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling ...
Product Instruction Manual
Page 48
Parts and Controls English / USA 1= Fuel Filler Cap 2= Carburetor adjusting screws 3= Starter Grip 4= Spark Plug Boot 5= Muffler (with spark arresting screen*) 6= Bike Handle 7= Throttle Trigger 8= Slide Control 9= Throttle Trigger Interlock 10= Throttle Cable Retainer 11= Carrying Ring 12= Fuel Pump 13= Rotary Choke Knob 14= Air Filter Cover 15= Fuel Tank 16= Machine Support 17= Handle Support 18= Wing Screw 19= Loop Handle 20= Barrier Bar # Serial number FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R * see "Guide to Using this Manual" 47
Parts and Controls English / USA 1= Fuel Filler Cap 2= Carburetor adjusting screws 3= Starter Grip 4= Spark Plug Boot 5= Muffler (with spark arresting screen*) 6= Bike Handle 7= Throttle Trigger 8= Slide Control 9= Throttle Trigger Interlock 10= Throttle Cable Retainer 11= Carrying Ring 12= Fuel Pump 13= Rotary Choke Knob 14= Air Filter Cover 15= Fuel Tank 16= Machine Support 17= Handle Support 18= Wing Screw 19= Loop Handle 20= Barrier Bar # Serial number FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R * see "Guide to Using this Manual" 47
Product Instruction Manual
Page 49
Throttle Trigger Controls the speed of operator. 48 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Air Filter Cover Encloses and protects the air filter. 15. Handle Support Connects the drive tube and bike handle. 18. Wing Screw Secures handlebar in the selected position. 19. Loop Handle For easy control ...
Throttle Trigger Controls the speed of operator. 48 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Air Filter Cover Encloses and protects the air filter. 15. Handle Support Connects the drive tube and bike handle. 18. Wing Screw Secures handlebar in the selected position. 19. Loop Handle For easy control ...
Product Instruction Manual
Page 51
with integral fuel pump Air filter: Paper filter element Fuel tank capacity: 21.6 fl.oz (0.64 L) Fuel mix: See "Fuel" Rewind Starter Starter rope: Ø 0.11 in (3,0mm), 33.5 in ( 850 mm) long 50 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Category: A = 300 hours, B = 125 hours, ...Fuel System Carburetor: All position diaphragm carburetor with bike handle - output shaft speed (cutting tool) - English / USA Specifications Engine Model FS 120 FS 200 FS 250 Single cylinder two-stroke engine Displacement: 1.88 cu.in (30.8 cm3) 2.22 cu.in (36.3 cm3) 2.45 cu.in (...
with integral fuel pump Air filter: Paper filter element Fuel tank capacity: 21.6 fl.oz (0.64 L) Fuel mix: See "Fuel" Rewind Starter Starter rope: Ø 0.11 in (3,0mm), 33.5 in ( 850 mm) long 50 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Category: A = 300 hours, B = 125 hours, ...Fuel System Carburetor: All position diaphragm carburetor with bike handle - output shaft speed (cutting tool) - English / USA Specifications Engine Model FS 120 FS 200 FS 250 Single cylinder two-stroke engine Displacement: 1.88 cu.in (30.8 cm3) 2.22 cu.in (36.3 cm3) 2.45 cu.in (...
Product Instruction Manual
Page 54
...application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 53 Any warranted part which is scheduled for replacement as non-defective, STIHL Incorporated will charge you claim warranty for a component and the machine is ...enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Where to the effect of "repair or replace as the owner, shall not be charged for the warranty period. STIHL Incorporated is liable for...
...application of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 53 Any warranted part which is scheduled for replacement as non-defective, STIHL Incorporated will charge you claim warranty for a component and the machine is ...enrichment system) Intake manifold Air filter Spark plug Magneto or electronic ignition system (ignition module) Catalytic converter (if applicable) Fasteners Where to the effect of "repair or replace as the owner, shall not be charged for the warranty period. STIHL Incorporated is liable for...
Product Instruction Manual
Page 56
..." will be warranted for any authorized STIHL servicing dealer or warranty station. STIHL Incorporated is defective, the part will be replaced by the failure of a warranted part still under warranty. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 55 Any warranted part which leads...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 converter (if applicable) Fasteners Where to make a claim...
..." will be warranted for any authorized STIHL servicing dealer or warranty station. STIHL Incorporated is defective, the part will be replaced by the failure of a warranted part still under warranty. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 55 Any warranted part which leads...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 converter (if applicable) Fasteners Where to make a claim...
Parts List
Page 17
... Gasket Sealing ring Tôle calorifuge Joint Anneau de joint (09.2003) Grommet (09.2003) Douille Filter housing ) 15 Hexagon nut M5 Air filter Filter cover Choke knob Fuel pump Hose 2.2x5.4x68 (D) Hose 2.2x5.4 mm x 1 m (A,B) Set ...air Couvercle de filtre Bouton de réglage Pompe à carburant Tuyau 2,2x5,4x68 (D) Tuyau 2,2x5,4 mm x 1 m (A,B) Jeu de joints ) 8 (19.98) Carburetor C1QS35B (C) Grommet (19.98) Carburateur C1QS35B (C) Douille (1) FS 120, (2) FS 120 R, (3) FS 200, (4) FS 200 R, (5) FS 250, (6) FS 250 R FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250...
... Gasket Sealing ring Tôle calorifuge Joint Anneau de joint (09.2003) Grommet (09.2003) Douille Filter housing ) 15 Hexagon nut M5 Air filter Filter cover Choke knob Fuel pump Hose 2.2x5.4x68 (D) Hose 2.2x5.4 mm x 1 m (A,B) Set ...air Couvercle de filtre Bouton de réglage Pompe à carburant Tuyau 2,2x5,4x68 (D) Tuyau 2,2x5,4 mm x 1 m (A,B) Jeu de joints ) 8 (19.98) Carburetor C1QS35B (C) Grommet (19.98) Carburateur C1QS35B (C) Douille (1) FS 120, (2) FS 120 R, (3) FS 200, (4) FS 200 R, (5) FS 250, (6) FS 250 R FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250...