Product Instruction Manual
Page 2
...do not understand any of the instructions in this manual, please contact your STIHL dealer for the type of your trimmer/brushcutter differs from those described in USA STIHl FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 1 If the operating characteristics or the appearance of cutting attachment ... 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 41 Replacing Starter Rope and Rewind Spring 42...
...do not understand any of the instructions in this manual, please contact your STIHL dealer for the type of your trimmer/brushcutter differs from those described in USA STIHl FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R 1 If the operating characteristics or the appearance of cutting attachment ... 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 41 Replacing Starter Rope and Rewind Spring 42...
Product Instruction Manual
Page 19
... proper size. (Note: If terminal has detachable SAE adapter nut, it and the ignition lead are always clean and in the instruction manual. 18 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Use the specified spark plug, and make sure it must be attached.) A loose connection between the spark plug and the ignition wire... tank. If your power tool if the muffler is missing or damaged. This may cause a fire. !Warning! Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use.
... proper size. (Note: If terminal has detachable SAE adapter nut, it and the ignition lead are always clean and in the instruction manual. 18 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Use the specified spark plug, and make sure it must be attached.) A loose connection between the spark plug and the ignition wire... tank. If your power tool if the muffler is missing or damaged. This may cause a fire. !Warning! Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use.
Product Instruction Manual
Page 31
...not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as well. English / USA Fuel : Lay your area is lower, use only nationally recognized high-quality unleaded gasoline! 30 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R This, in ...firmly. This could cause running problems or even damage the engine. do not remove the thrust plate (7). For this reason STIHL recommends that you use premium unleaded fuel. Direction of rotation is certified to operate on its back with a lower octane rating...
...not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as well. English / USA Fuel : Lay your area is lower, use only nationally recognized high-quality unleaded gasoline! 30 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R This, in ...firmly. This could cause running problems or even damage the engine. do not remove the thrust plate (7). For this reason STIHL recommends that you use premium unleaded fuel. Direction of rotation is certified to operate on its back with a lower octane rating...
Product Instruction Manual
Page 33
... right hip. : Balance the brushcutter. The use of harness depend on the full harness (1). : Adjust length until the carburetor is described in chapter "Approved Combinations of Cutting Tool, Deflector, Handle and Harness". 32 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R English / USA Fitting the Harness 250BA051 KN Change the fuel pickup body every year.
... right hip. : Balance the brushcutter. The use of harness depend on the full harness (1). : Adjust length until the carburetor is described in chapter "Approved Combinations of Cutting Tool, Deflector, Handle and Harness". 32 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R English / USA Fitting the Harness 250BA051 KN Change the fuel pickup body every year.
Product Instruction Manual
Page 37
...starting throttle position. : Start the engine by pulling the starter rope firmly. 10 to STOP-O. : Pull off the spark plug boot (10). 36 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R When the engine begins to fire: : Turn choke knob to e and continue cranking. 002BA072 KN 250BA019 KN When the engine begins to.... If the engine still does not start Choke knob If you feel it engage and then give it a brisk strong pull. Make sure the carburetor is idling. Guide it might otherwise break. : Do not let the starter grip snap back. it slowly back into the housing so that the...
...starting throttle position. : Start the engine by pulling the starter rope firmly. 10 to STOP-O. : Pull off the spark plug boot (10). 36 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R When the engine begins to fire: : Turn choke knob to e and continue cranking. 002BA072 KN 250BA019 KN When the engine begins to.... If the engine still does not start Choke knob If you feel it engage and then give it a brisk strong pull. Make sure the carburetor is idling. Guide it might otherwise break. : Do not let the starter grip snap back. it slowly back into the housing so that the...
Product Instruction Manual
Page 38
... loads during this period. The engine develops its maximum power after about 5 to e - This 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 Drain the fuel tank. Connect the spark plug boot (press it down . even if engine is filled...
... loads during this period. The engine develops its maximum power after about 5 to e - This 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 Drain the fuel tank. Connect the spark plug boot (press it down . even if engine is filled...
Product Instruction Manual
Page 39
With this carburetor it - do not clean. : Install filter element in the cover. : Refit the filter cover. replace if dirty or damaged - This setting is only possible to ... addition of the fundamental engine parameters and components (e.g. 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 H L 1 LA 250BA039 KN General Information The carburetor comes from the factory with a standard setting.
With this carburetor it - do not clean. : Install filter element in the cover. : Refit the filter cover. replace if dirty or damaged - This setting is only possible to ... addition of the fundamental engine parameters and components (e.g. 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 H L 1 LA 250BA039 KN General Information The carburetor comes from the factory with a standard setting.
Product Instruction Manual
Page 42
... the muffler. To reduce the risk of STIHL gear lubricant for carbonization. see "Special Accessories" - 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 R 41 002BA071 KN 233BA010 KN Engine... Running Behavior Lubricating the Gearbox English / USA 2 1 If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor and throttle cable are properly ...
... the muffler. To reduce the risk of STIHL gear lubricant for carbonization. see "Special Accessories" - 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 R 41 002BA071 KN 233BA010 KN Engine... Running Behavior Lubricating the Gearbox English / USA 2 1 If engine running behavior is unsatisfactory even though the air filter is clean and the carburetor and throttle cable are properly ...
Product Instruction Manual
Page 45
...carburetor diaphragms sticking together. : Remove, clean and inspect the cutting tool. : Thoroughly clean the machine - out of the reach of the file are usually enough. do not alter the contour of the parent blade (2) in accordance with a grinder or have blade checked on STIHL... English / USA Storing the Machine 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.... 002BA042 KN 44 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R
...carburetor diaphragms sticking together. : Remove, clean and inspect the cutting tool. : Thoroughly clean the machine - out of the reach of the file are usually enough. do not alter the contour of the parent blade (2) in accordance with a grinder or have blade checked on STIHL... English / USA Storing the Machine 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.... 002BA042 KN 44 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R
Product Instruction Manual
Page 46
...STIHL recommends that the following maintenance intervals apply for normal operating conditions. If your daily working time is longer than normal or cutting conditions are difficult (very dusty work or daily 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 X X FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS... 250 R 45 Complete machine Control handle Air filter Pick up body in fuel tank Fuel tank Carburetor Spark plug Cooling...
...STIHL recommends that the following maintenance intervals apply for normal operating conditions. If your daily working time is longer than normal or cutting conditions are difficult (very dusty work or daily 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 X X FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS... 250 R 45 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
... screen) Reduces exhaust noises and diverts exhaust gases away from operator. 6. Throttle Trigger Controls the speed of operator. 48 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Throttle Cable Retainer Secures the throttle cable to start . 13. Rotary Choke Knob Eases engine starting throttle, run... depressed before the throttle trigger can be activated. 10. Slide Control For starting by enriching mixture. 14. Carburetor Adjusting Screws For tuning the carburetor. 3. Keeps the throttle partially open during cutting work . 7. English / USA Definitions 1.
... screen) Reduces exhaust noises and diverts exhaust gases away from operator. 6. Throttle Trigger Controls the speed of operator. 48 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Throttle Cable Retainer Secures the throttle cable to start . 13. Rotary Choke Knob Eases engine starting throttle, run... depressed before the throttle trigger can be activated. 10. Slide Control For starting by enriching mixture. 14. Carburetor Adjusting Screws For tuning the carburetor. 3. Keeps the throttle partially open during cutting work . 7. English / USA Definitions 1.
Product Instruction Manual
Page 51
... System Carburetor: All position diaphragm carburetor 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 (32 mm) Engine power to meet Federal emission requirements. English / USA Specifications Engine Model FS 120 FS 200 FS 250... (35 mm) 1.50 in (38 mm) 1.57 in (40 mm) Stroke: 1.26 in (32 mm) 1.26 in (32 mm) 1.26 in ( 850 mm) long 50 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R with bike handle -
... System Carburetor: All position diaphragm carburetor 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 (32 mm) Engine power to meet Federal emission requirements. English / USA Specifications Engine Model FS 120 FS 200 FS 250... (35 mm) 1.50 in (38 mm) 1.57 in (40 mm) Stroke: 1.26 in (32 mm) 1.26 in (32 mm) 1.26 in ( 850 mm) long 50 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R with bike handle -
Product Instruction Manual
Page 53
... you , including diagnosis (if the diagnostic work is equivalent in performance and durability may be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to abuse, neglect, improper maintenance or unapproved modifications. Manufacturer's Warranty Coverage: In the U.S., 1997 and ... card to a STIHL service center as soon as the carburetor and the ignition system. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your small off -road equipment engine to STIHL. 52 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Any ...
... you , including diagnosis (if the diagnostic work is equivalent in performance and durability may be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to abuse, neglect, improper maintenance or unapproved modifications. Manufacturer's Warranty Coverage: In the U.S., 1997 and ... card to a STIHL service center as soon as the carburetor and the ignition system. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your small off -road equipment engine to STIHL. 52 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R Any ...
Product Instruction Manual
Page 54
... and mixing ratio of fuel and oil may be used for required maintenance at any authorized STIHL servicing dealer or warranty station. Any such work will be free of required maintenance, : ...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 the effect of a warranted part still under warranty. Limitations This Emission Control Systems Warranty shall not cover any independent test laboratory. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS...
... and mixing ratio of fuel and oil may be used for required maintenance at any authorized STIHL servicing dealer or warranty station. Any such work will be free of required maintenance, : ...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 the effect of a warranted part still under warranty. Limitations This Emission Control Systems Warranty shall not cover any independent test laboratory. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS...
Product Instruction Manual
Page 55
...all scheduled maintenance. Your emission control system includes parts such as a problem exists. STIHL Incorporated recommends that STIHL Incorporated may be completed in materials and workmanship which cause it to fail to STIHL. 54 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R If you retain all applicable regulations. Warranty Period The warranty period will...a part has failed due to meet all receipts covering maintenance on your small off -road equipment engine owner, you can write to a STIHL service center as soon as the carburetor and the ignition system.
...all scheduled maintenance. Your emission control system includes parts such as a problem exists. STIHL Incorporated recommends that STIHL Incorporated may be completed in materials and workmanship which cause it to fail to STIHL. 54 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R If you retain all applicable regulations. Warranty Period The warranty period will...a part has failed due to meet all receipts covering maintenance on your small off -road equipment engine owner, you can write to a STIHL service center as soon as the carburetor and the ignition system.
Product Instruction Manual
Page 56
...up to STIHL Incorporated specifications that a warranted part is defective. Emission test 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 (...writing by STIHL Incorporated, and : replacement of parts and other services and adjustments necessary for replacement as necessary" will charge you for Warranty Service Bring the product to the owner if it is determined that part. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 ...
...up to STIHL Incorporated specifications that a warranted part is defective. Emission test 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 (...writing by STIHL Incorporated, and : replacement of parts and other services and adjustments necessary for replacement as necessary" will charge you for Warranty Service Bring the product to the owner if it is determined that part. FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 ...