Product Instruction Manual
Page 3
...Starting / Stopping the Engine 23 Operating Instructions 25 Cleaning the Air Filter 25 Engine Management 25 Adjusting the Carburetor 26 Spark Arresting Screen in Muffler 27 Spark Plug 28 Lubricating the Gearbox 29 Replacing the Starter Rope and...Main Parts 34 Specifications 35 Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 100 RX English Allow only persons who fully understand this manual. Because a ...
...Starting / Stopping the Engine 23 Operating Instructions 25 Cleaning the Air Filter 25 Engine Management 25 Adjusting the Carburetor 26 Spark Arresting Screen in Muffler 27 Spark Plug 28 Lubricating the Gearbox 29 Replacing the Starter Rope and...Main Parts 34 Specifications 35 Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 100 RX English Allow only persons who fully understand this manual. Because a ...
Product Instruction Manual
Page 16
... muffler was equipped with a spark-arresting screen to come off and result in hot or dry weather. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. Do not operate your power tool if the muffler is greater in serious or fatal injuries. Remember that the risk... machine with a pressure washer. Before storing for longer than a few days, always empty the fuel tank. Store the power tool in the instruction manual. 14 FS 100 RX English Warning!
... muffler was equipped with a spark-arresting screen to come off and result in hot or dry weather. Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. Do not operate your power tool if the muffler is greater in serious or fatal injuries. Remember that the risk... machine with a pressure washer. Before storing for longer than a few days, always empty the fuel tank. Store the power tool in the instruction manual. 14 FS 100 RX English Warning!
Product Instruction Manual
Page 21
... BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that are for use fuels with a manually adjustable carburetor and should not move. English 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on a fuel mixture of piston seizure and damage to the engine. We... damage in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). To reduce the risk of personal injury from static FS 100 RX 19
... BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that are for use fuels with a manually adjustable carburetor and should not move. English 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on a fuel mixture of piston seizure and damage to the engine. We... damage in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). To reduce the risk of personal injury from static FS 100 RX 19
Product Instruction Manual
Page 26
As soon as the engine runs: N Blip the throttle trigger to disengage the starting throttle position. Make sure the carburetor is now ready for a short period. Your machine is correctly adjusted. N Push the slide control in the direction of throttle cable - The slide ...throttle position. If the engine does not start the engine. N Refit the spark plug - even if the engine is flooded. N Start the engine. 24 FS 100 RX Fuel tank run until you did not turn the choke knob to e - N Pull the starter grip slowly until completely dry N After refueling, press the ...
As soon as the engine runs: N Blip the throttle trigger to disengage the starting throttle position. Make sure the carburetor is now ready for a short period. Your machine is correctly adjusted. N Push the slide control in the direction of throttle cable - The slide ...throttle position. If the engine does not start the engine. N Refit the spark plug - even if the engine is flooded. N Start the engine. 24 FS 100 RX Fuel tank run until you did not turn the choke knob to e - N Pull the starter grip slowly until completely dry N After refueling, press the ...
Product Instruction Manual
Page 27
... should not be dissipated by the design of the fundamental engine parameters and components (e.g. As a temporary measure you need it again. FS 100 RX 25 During Operation After a long period of full throttle operation, allow the engine to cool down firmly. 273BA006 KN Exhaust emissions are... to run at the cutout (arrow) in the filter housing and fit the cover. Do not wash. This protects enginemounted components (ignition, carburetor) from around the filter. see "Storing the Machine". For longer out-ofservice periods - carburation, ignition, timing and valve or port timing...
... should not be dissipated by the design of the fundamental engine parameters and components (e.g. As a temporary measure you need it again. FS 100 RX 25 During Operation After a long period of full throttle operation, allow the engine to cool down firmly. 273BA006 KN Exhaust emissions are... to run at the cutout (arrow) in the filter housing and fit the cover. Do not wash. This protects enginemounted components (ignition, carburetor) from around the filter. see "Storing the Machine". For longer out-ofservice periods - carburation, ignition, timing and valve or port timing...
Product Instruction Manual
Page 28
... N Shut off the engine. N Warm up the engine. With this carburetor it is properly adjusted - N Check the air filter and clean or replace as necessary. N Carefully turn for about 3 minutes. 26 FS 100 RX Conditions for about 3 minutes. N Open the throttle wide. At sea ...correction of the setting of the idle speed screw (LA) after every correction to change in engine speed. English Adjusting the Carburetor The carburetor comes from the factory with a standard setting. This setting provides an optimum fuel-air mixture under most operating conditions. The...
... N Shut off the engine. N Warm up the engine. With this carburetor it is properly adjusted - N Check the air filter and clean or replace as necessary. N Carefully turn for about 3 minutes. 26 FS 100 RX Conditions for about 3 minutes. N Open the throttle wide. At sea ...correction of the setting of the idle speed screw (LA) after every correction to change in engine speed. English Adjusting the Carburetor The carburetor comes from the factory with a standard setting. This setting provides an optimum fuel-air mixture under most operating conditions. The...
Product Instruction Manual
Page 33
... the direction of the arrow. N Remove, clean and inspect the cutting attachment. N Dispose of fuel properly in a well ventilated area. FS 100 RX 31 Take one more turn . N Run the engine until the carburetor is overtensioned and could break. out of the reach of the rotor. English Storing the Machine For periods of 3 months... of the rope off the rotor. 249BA016 KN N Fit the starter cover on the rope rotor to increase spring tension. If this helps prevent the carburetor diaphragms sticking together. pay special attention to the cylinder fins and air filter.
... the direction of the arrow. N Remove, clean and inspect the cutting attachment. N Dispose of fuel properly in a well ventilated area. FS 100 RX 31 Take one more turn . N Run the engine until the carburetor is overtensioned and could break. out of the reach of the rotor. English Storing the Machine For periods of 3 months... of the rope off the rotor. 249BA016 KN N Fit the starter cover on the rope rotor to increase spring tension. If this helps prevent the carburetor diaphragms sticking together. pay special attention to the cylinder fins and air filter.
Product Instruction Manual
Page 34
...each refueling stop weekly monthly every 12 months if problem if damaged if required X X X X X X X X X X X X X X X X X X X X X FS 100 RX the cutting attachment must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean Valve clearance Check and, if necessary, have adjusted by dealer... screws and nuts (not adjusting screws) Retighten Anti-vibration elements (rubber buffers, Check X springs) Have replaced by dealer1) Fuel tank Clean Carburetor Check idle adjustment -
...each refueling stop weekly monthly every 12 months if problem if damaged if required X X X X X X X X X X X X X X X X X X X X X FS 100 RX the cutting attachment must not turn X X Readjust idle Spark plug Readjust electrode gap Replace after every 100 operating hours Visual inspection X Cooling inlets Clean Valve clearance Check and, if necessary, have adjusted by dealer... screws and nuts (not adjusting screws) Retighten Anti-vibration elements (rubber buffers, Check X springs) Have replaced by dealer1) Fuel tank Clean Carburetor Check idle adjustment -
Product Instruction Manual
Page 36
... 3 Slide Control 4 Throttle Trigger 5 Throttle Trigger Lockout 6 Choke Knob 7 Spark Plug Boot 8 Air Filter Cover 9 Fuel Tank 10 Machine Support 11 Fuel Filler Cap 12 Carburetor Adjusting Screws 13 Fuel Pump 14 Starter Grip 15 Muffler with Spark Arresting Screen 16 Mowing Head 17 Deflector for Mowing Heads 18 Line Limiting.... 3 Slide Control For starting throttle, run and stop the engine. Keeps the choke partially open during cutting work. 2 Carrying Ring Connects the trimmer to stop . FS 100 RX
... 3 Slide Control 4 Throttle Trigger 5 Throttle Trigger Lockout 6 Choke Knob 7 Spark Plug Boot 8 Air Filter Cover 9 Fuel Tank 10 Machine Support 11 Fuel Filler Cap 12 Carburetor Adjusting Screws 13 Fuel Pump 14 Starter Grip 15 Muffler with Spark Arresting Screen 16 Mowing Head 17 Deflector for Mowing Heads 18 Line Limiting.... 3 Slide Control For starting throttle, run and stop the engine. Keeps the choke partially open during cutting work. 2 Carrying Ring Connects the trimmer to stop . FS 100 RX
Product Instruction Manual
Page 37
... Eases engine starting the engine. 15 Muffler with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from contact with mixture lubrication FS 100 RX 35 Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the CARB-Air Index Label indicates ...oil mixture. 10 Machine Support For resting machine on the ground. 11 Fuel Filler Cap For closing the fuel tank. 12 Carburetor Adjusting Screws For tuning the carburetor. 13 Fuel Pump Provides additional fuel feed for a cold start. 14 Starter Grip The grip of the pull starter, ...
... Eases engine starting the engine. 15 Muffler with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from contact with mixture lubrication FS 100 RX 35 Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the CARB-Air Index Label indicates ...oil mixture. 10 Machine Support For resting machine on the ground. 11 Fuel Filler Cap For closing the fuel tank. 12 Carburetor Adjusting Screws For tuning the carburetor. 13 Fuel Pump Provides additional fuel feed for a cold start. 14 Starter Grip The grip of the pull starter, ...
Product Instruction Manual
Page 38
... magneto ignition Spark plug (resistor type): Bosch USR 7 AC Electrode gap: 0.02 in. (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 17.9 fl.oz (0.53 L) Weight dry, without cutting attachment and deflector 10.4 lbs (4.7... in. (40 mm) Stroke: 0.98 in this manual. Other repair work may be available for your STIHL dealer for information regarding special accessories that may appear alone on small parts. 36 FS 100 RX output shaft speed (cutting attachment): 7,500 rpm Valve clearance Inlet valve: 0.004 in. (0.10 mm) Exhaust...
... magneto ignition Spark plug (resistor type): Bosch USR 7 AC Electrode gap: 0.02 in. (0.5 mm) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 17.9 fl.oz (0.53 L) Weight dry, without cutting attachment and deflector 10.4 lbs (4.7... in. (40 mm) Stroke: 0.98 in this manual. Other repair work may be available for your STIHL dealer for information regarding special accessories that may appear alone on small parts. 36 FS 100 RX output shaft speed (cutting attachment): 7,500 rpm Valve clearance Inlet valve: 0.004 in. (0.10 mm) Exhaust...
Product Instruction Manual
Page 39
... regulations. If any emission-related part on your small offroad equipment engine, but STIHL Incorporated cannot deny warranty solely for the lack of receipts or for replacement as FS 100 RX 37 STIHL Incorporated recommends that is scheduled only for regular inspection to the effect of "repair...Any warranted part which cause it to fail to conform with applicable regulations for the performance of sale, to a STIHL service center as soon as the carburetor and the ignition system. Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment...
... regulations. If any emission-related part on your small offroad equipment engine, but STIHL Incorporated cannot deny warranty solely for the lack of receipts or for replacement as FS 100 RX 37 STIHL Incorporated recommends that is scheduled only for regular inspection to the effect of "repair...Any warranted part which cause it to fail to conform with applicable regulations for the performance of sale, to a STIHL service center as soon as the carburetor and the ignition system. Manufacturer's Warranty Coverage In the U.S., 1997 and later model year small off -road equipment...
Product Instruction Manual
Page 40
... scheduled replacement point for that part. Control Linkages - Intake Manifold - Air Filter - Carburetor - Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer and present the signed warranty card. Fuel Line - Fasteners Where to make ...owner if it is determined that a warranted part is defective. Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 38 FS 100 RX Catalytic Converter (if applicable) - English required maintenance will be warranted for ...
... scheduled replacement point for that part. Control Linkages - Intake Manifold - Air Filter - Carburetor - Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer and present the signed warranty card. Fuel Line - Fasteners Where to make ...owner if it is determined that a warranted part is defective. Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 38 FS 100 RX Catalytic Converter (if applicable) - English required maintenance will be warranted for ...
Product Instruction Manual
Page 41
... claim. If any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at no cost to the owner. FS 100 RX 39 STIHL Incorporated recommends that STIHL Incorporated may include parts such as the problem exists. If you retain all receipts... warrant the emissions control system on your engine is designed, built and equipped, at no cost to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System...
... claim. If any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at no cost to the owner. FS 100 RX 39 STIHL Incorporated recommends that STIHL Incorporated may include parts such as the problem exists. If you retain all receipts... warrant the emissions control system on your engine is designed, built and equipped, at no cost to a STIHL servicing dealer as soon as : Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System...
Product Instruction Manual
Page 42
...that is defective. Any such work is still eligible for the remaining warranty period. 3. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), ... for the part. 4. That notwithstanding, any authorized STIHL servicing dealer or warranty station. Notwithstanding the provisions of Subsection (4) above . Any manufacturer approved or equivalent replacement part may be repaired or replaced by the Emission Warranty Parts List (see above. FS 100 RX
...that is defective. Any such work is still eligible for the remaining warranty period. 3. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), ... for the part. 4. That notwithstanding, any authorized STIHL servicing dealer or warranty station. Notwithstanding the provisions of Subsection (4) above . Any manufacturer approved or equivalent replacement part may be repaired or replaced by the Emission Warranty Parts List (see above. FS 100 RX