Instruction Manual
Page 3
.... Guide to Using this Manual 2 Safety Precautions and Working Techniques 3 Using the Unit 13 Approved Power Tool Attachments 15 Approved Cutting Attachments 15 Mounting the Loop Handle 16 Adjusting the Throttle Cable 16 Fuel 17 Fueling 18 Starting / Stopping the Engine 20 Operating Instructions 22 Replacing the Air Filter 22 Engine Management 22 Adjusting the Carburetor 23 Spark Arresting Screen in this manual to www.stihlusa.com. Contents English Original Instruction Manual Printed on chlorine-free paper Printing inks contain vegetable oils...
.... Guide to Using this Manual 2 Safety Precautions and Working Techniques 3 Using the Unit 13 Approved Power Tool Attachments 15 Approved Cutting Attachments 15 Mounting the Loop Handle 16 Adjusting the Throttle Cable 16 Fuel 17 Fueling 18 Starting / Stopping the Engine 20 Operating Instructions 22 Replacing the Air Filter 22 Engine Management 22 Adjusting the Carburetor 23 Spark Arresting Screen in this manual to www.stihlusa.com. Contents English Original Instruction Manual Printed on chlorine-free paper Printing inks contain vegetable oils...
Instruction Manual
Page 4
... injury. For example: N Remove the screw (1) N Pull the spark arresting screen (2) upwards out of the muffler In addition to operate manual fuel pump Filler hole for gear lubricant Air intake summer mode Air intake winter mode Handle heating Symbols in this manual, please contact your STIHL dealer or the STIHL distributor for your area for gasoline and engine oil mixture Press to operate decompression valve Manual fuel pump Press to the operating instructions, this manual may contain paragraphs...
... injury. For example: N Remove the screw (1) N Pull the spark arresting screen (2) upwards out of the muffler In addition to operate manual fuel pump Filler hole for gear lubricant Air intake summer mode Air intake winter mode Handle heating Symbols in this manual, please contact your STIHL dealer or the STIHL distributor for your area for gasoline and engine oil mixture Press to operate decompression valve Manual fuel pump Press to the operating instructions, this manual may contain paragraphs...
Instruction Manual
Page 7
... that the controls and safety devices are useable with STIHL power tools, their use with nonslip soles. Steel-toed safety boots are authorized. WARNING Never modify this instruction manual). Wear sturdy boots with the specific STIHL model are recommended. Wear an approved safety hard hat to reduce the risk of injury to protect your STIHL servicing dealer. Do not continue operating this tool is...
... that the controls and safety devices are useable with STIHL power tools, their use with nonslip soles. Steel-toed safety boots are authorized. WARNING Never modify this instruction manual). Wear sturdy boots with the specific STIHL model are recommended. Wear an approved safety hard hat to reduce the risk of injury to protect your STIHL servicing dealer. Do not continue operating this tool is...
Instruction Manual
Page 8
... rise for use in all directions. Use extreme caution when handling gasoline or fuel mix. Do not smoke or bring any spilled fuel before starting to pressurize more . The engine is air cooled. If you need to refuel before completing a job, turn off any fire or flame near the fuel or the power tool. Fuel Spraying or "Geysering" WARNING Removing the cap on the ground before removing the fuel cap. 6 FB 131 Some...
... rise for use in all directions. Use extreme caution when handling gasoline or fuel mix. Do not smoke or bring any spilled fuel before starting to pressurize more . The engine is air cooled. If you need to refuel before completing a job, turn off any fire or flame near the fuel or the power tool. Fuel Spraying or "Geysering" WARNING Removing the cap on the ground before removing the fuel cap. 6 FB 131 Some...
Instruction Manual
Page 9
... improperly tightened fuel filler cap to the open position. While maintaining steady, downward pressure, slowly turn the cap approximately 1/2 turn the cap further until it approximately 1/2 turn counterclockwise. Turn the cap to loosen or come off , cooling air is no longer under pressure. - Vapor Lock WARNING Vapor lock occurs when fuel in fuel spraying. FB 131 7 If any residual pressure by turning it to fuel spraying. English Installing the Threaded Fuel Filler Cap WARNING Unit...
... improperly tightened fuel filler cap to the open position. While maintaining steady, downward pressure, slowly turn the cap approximately 1/2 turn the cap further until it approximately 1/2 turn counterclockwise. Turn the cap to loosen or come off , cooling air is no longer under pressure. - Vapor Lock WARNING Vapor lock occurs when fuel in fuel spraying. FB 131 7 If any residual pressure by turning it to fuel spraying. English Installing the Threaded Fuel Filler Cap WARNING Unit...
Instruction Manual
Page 10
... spring back to start the power tool. WARNING Check fuel system for leaks, especially the visible parts, e.g., filler cap, hose connections, manual fuel pump (only for cracked, bent, warped or damaged blades. Have the power tool repaired by a STIHL servicing dealer before using it is particularly important to suit your unit is already filled with a manual fuel pump). For specific starting instructions, see chapter "Working Techniques".) For proper control and less fatigue during operation, adjust the loop handle...
... spring back to start the power tool. WARNING Check fuel system for leaks, especially the visible parts, e.g., filler cap, hose connections, manual fuel pump (only for cracked, bent, warped or damaged blades. Have the power tool repaired by a STIHL servicing dealer before using it is particularly important to suit your unit is already filled with a manual fuel pump). For specific starting instructions, see chapter "Working Techniques".) For proper control and less fatigue during operation, adjust the loop handle...
Instruction Manual
Page 11
... During Operation Holding and Controlling the Power Tool Always hold the unit firmly with incorrect idle adjustment. Place your left hand on firm ground or other persons in injury to your power tool, do not use your manual. WARNING To reduce the risk of injury from loss of control, do not wrap the starter rope around the handles. Once the engine has started, immediately blip the throttle trigger...
... During Operation Holding and Controlling the Power Tool Always hold the unit firmly with incorrect idle adjustment. Place your left hand on firm ground or other persons in injury to your power tool, do not use your manual. WARNING To reduce the risk of injury from loss of control, do not wrap the starter rope around the handles. Once the engine has started, immediately blip the throttle trigger...
Instruction Manual
Page 13
..., remove stones, pieces of metal and other such objects that the cutting attachment is a risk of sufficient length to the ground. English WARNING When using your local fire authorities or the U.S. Flammable materials can ignite flammable materials under certain circumstances. WARNING If the blade or deflector becomes clogged or stuck, always shut off the engine before cleaning. Grass, weeds, etc...
..., remove stones, pieces of metal and other such objects that the cutting attachment is a risk of sufficient length to the ground. English WARNING When using your local fire authorities or the U.S. Flammable materials can ignite flammable materials under certain circumstances. WARNING If the blade or deflector becomes clogged or stuck, always shut off the engine before cleaning. Grass, weeds, etc...
Instruction Manual
Page 14
... gas/oil mix ratio is stopped before doing any nonroad engine repair establishment or individual. STIHL recommends having your muffler maintained by any maintenance or repair work with a missing or damaged spark arresting screen. WARNING The muffler and other parts while they are hot. To reduce risk of the engine (e.g. Keep the area around the muffler clean. WARNING An improperly mounted or damaged cylinder housing or a damaged/deformed muffler...
... gas/oil mix ratio is stopped before doing any nonroad engine repair establishment or individual. STIHL recommends having your muffler maintained by any maintenance or repair work with a missing or damaged spark arresting screen. WARNING The muffler and other parts while they are hot. To reduce risk of the engine (e.g. Keep the area around the muffler clean. WARNING An improperly mounted or damaged cylinder housing or a damaged/deformed muffler...
Instruction Manual
Page 15
... and high or locked location out of reach of children. Redefining produces a sharp angled furrow. WARNING Never test the ignition system with a removed spark plug, since uncontained sparking may have similar requirements. Your muffler is suitable for the laws or regulations relating to reduce the risk of accidents or injury, remove all nuts, bolts and screws, except the carburetor adjustment screws, after each use or operate gasoline-powered tools on...
... and high or locked location out of reach of children. Redefining produces a sharp angled furrow. WARNING Never test the ignition system with a removed spark plug, since uncontained sparking may have similar requirements. Your muffler is suitable for the laws or regulations relating to reduce the risk of accidents or injury, remove all nuts, bolts and screws, except the carburetor adjustment screws, after each use or operate gasoline-powered tools on...
Instruction Manual
Page 16
... rear. N Starting the Engine N Start the cut (A) depends on the deflector indicates the direction of the ground, your height and normal working position. Therefore: N move the wheel (2) so that cuttings and other debris are directed away from the cutting attachment at all times. N Loosen the wingnut (1) counterclockwise. The deflector is set at full throttle. 14 FB 131 Maintain a safe distance from the power tool and operator. 9924BA006...
... rear. N Starting the Engine N Start the cut (A) depends on the deflector indicates the direction of the ground, your height and normal working position. Therefore: N move the wheel (2) so that cuttings and other debris are directed away from the cutting attachment at all times. N Loosen the wingnut (1) counterclockwise. The deflector is set at full throttle. 14 FB 131 Maintain a safe distance from the power tool and operator. 9924BA006...
Instruction Manual
Page 18
... application by changing distance (A). Adjusting the Loop Handle 1 N Use the combination wrench to loosen the screw (1). 239BA008 KN A The loop handle can be necessary to correct the adjustment of the throttle cable after assembling the machine or after a prolonged period of operation. English Mounting the Loop Handle Your new power tool comes with the combination wrench so that the handle cannot be rotated on the drive tube...
... application by changing distance (A). Adjusting the Loop Handle 1 N Use the combination wrench to loosen the screw (1). 239BA008 KN A The loop handle can be necessary to correct the adjustment of the throttle cable after assembling the machine or after a prolonged period of operation. English Mounting the Loop Handle Your new power tool comes with the combination wrench so that the handle cannot be rotated on the drive tube...
Instruction Manual
Page 19
... the proper adjustments and repairs. The machine's fuel tank should not be used. When mixing, pour oil into the mixture. it vigorously by always using STIHL MotoMix, only mix sufficient fuel for STIHL engines. If your power tool´s idle speed is incorrectly adjusted, have your authorized STIHL servicing dealer check your engine run cleaner and reduce harmful carbon deposits, STIHL recommends using STIHL HP Ultra 2-cycle engine oil, or use a high quality 2cycle engine oil, such as well. When filling at a mix ratio of moisture...
... the proper adjustments and repairs. The machine's fuel tank should not be used. When mixing, pour oil into the mixture. it vigorously by always using STIHL MotoMix, only mix sufficient fuel for STIHL engines. If your power tool´s idle speed is incorrectly adjusted, have your authorized STIHL servicing dealer check your engine run cleaner and reduce harmful carbon deposits, STIHL recommends using STIHL HP Ultra 2-cycle engine oil, or use a high quality 2cycle engine oil, such as well. When filling at a mix ratio of moisture...
Instruction Manual
Page 23
... throttle - FB 131 0000-GXX-1558-A0 0000-GXX-1320-A0 WARNING There is a risk of injury if the cutting attachment runs when the engine is flooded N Move the choke knob to the run until the engine runs. Adjust the carburetor so that the spark plug boot is now ready for operation. N Now start , warm up the engine by opening the throttle several times. N Check that the cutting attachment does not run position. N Set the choke knob to the run...
... throttle - FB 131 0000-GXX-1558-A0 0000-GXX-1320-A0 WARNING There is a risk of injury if the cutting attachment runs when the engine is flooded N Move the choke knob to the run until the engine runs. Adjust the carburetor so that the spark plug boot is now ready for operation. N Now start , warm up the engine by opening the throttle several times. N Check that the cutting attachment does not run position. N Set the choke knob to the run...
Instruction Manual
Page 27
... cutting blade. STIHL recommends that you have the screw and wingnut replaced by a servicing dealer. If the parts are then reassembled, the captive function is dry - FB 131 25 A very high torque has to the cylinder fins and air filter. N Run the engine until the carburetor is no longer guaranteed. N Thoroughly clean the machine - pay special attention to be lost. N Press the boot (2) firmly onto the spark plug...
... cutting blade. STIHL recommends that you have the screw and wingnut replaced by a servicing dealer. If the parts are then reassembled, the captive function is dry - FB 131 25 A very high torque has to the cylinder fins and air filter. N Run the engine until the carburetor is no longer guaranteed. N Thoroughly clean the machine - pay special attention to be lost. N Press the boot (2) firmly onto the spark plug...
Instruction Manual
Page 31
... Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Visual inspection Replace2) Manual fuel pump (if fitted) Pickup body in fuel tank Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Check X Spark arresting screen in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten FB 131...
... Spark plug Readjust electrode gap Replace after each refueling stop weekly monthly every 12 months if problem if damaged as required Complete machine Visual inspection (condition, leaks) Clean X X X Control handle Check operation X X Air filter Visual inspection Replace2) Manual fuel pump (if fitted) Pickup body in fuel tank Check X Have repaired by servicing dealer1) Have checked by servicing dealer1) Have replaced by servicing dealer1) Check X Spark arresting screen in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten FB 131...
Instruction Manual
Page 34
... depth wheel rolls on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to drive the cutting blade. 14. Wear Guard Protects the gearbox from foreign objects flung back towards the operator by enriching mixture. 5. Fuel Filler Cap For closing the fuel tank. 18. Manual Fuel Pump Provides additional fuel...
... depth wheel rolls on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to drive the cutting blade. 14. Wear Guard Protects the gearbox from foreign objects flung back towards the operator by enriching mixture. 5. Fuel Filler Cap For closing the fuel tank. 18. Manual Fuel Pump Provides additional fuel...
Instruction Manual
Page 37
new 1997 and later model year small off -road engine for a period of two years. EPA regulations for the first two years of engine use from the date of all receipts covering maintenance on your instruction manual. The equipment engine must warrant the emission control system on your small off -road equipment engines must be designed, built and equipped, at an authorized dealer), parts, and...
new 1997 and later model year small off -road engine for a period of two years. EPA regulations for the first two years of engine use from the date of all receipts covering maintenance on your instruction manual. The equipment engine must warrant the emission control system on your small off -road equipment engines must be designed, built and equipped, at an authorized dealer), parts, and...
Instruction Manual
Page 38
...other engine components caused by STIHL Incorporated, and N replacement of time up to the owner. Control Linkages - Solenoid Valve (if applicable) - Injection Pump (if applicable) - Fuel Line - Carburetor (if applicable) - Fuel Tank - Maintenance Requirements The maintenance instructions in writing by the failure of required maintenance, N repairs improperly performed or replacements not conforming to STIHL Incorporated specifications that a warranted emissions part is tested as non-defective, STIHL Incorporated will be used for any warranty maintenance or repairs on...
...other engine components caused by STIHL Incorporated, and N replacement of time up to the owner. Control Linkages - Solenoid Valve (if applicable) - Injection Pump (if applicable) - Fuel Line - Carburetor (if applicable) - Fuel Tank - Maintenance Requirements The maintenance instructions in writing by the failure of required maintenance, N repairs improperly performed or replacements not conforming to STIHL Incorporated specifications that a warranted emissions part is tested as non-defective, STIHL Incorporated will be used for any warranty maintenance or repairs on...
Instruction Manual
Page 40
... remainder of any authorized STIHL servicing dealer or warranty station. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line (for regular inspection in...
... remainder of any authorized STIHL servicing dealer or warranty station. Emission Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line (for regular inspection in...