Instruction Manual
Page 2
... the Engine ........ 15 Operating Instructions 19 Cleaning the Air Filter 19 Motor Management 20 Adjusting the Carburetor 20 Catalytic Converter 22 Checking the Spark Plug 22 Rewind Starter 23 Storing the Machine 24 Inspections and Maintenance by STIHL Service 24 Maintenance Chart 25 Main Parts and Controls 26 Specifications 28 Special Accessories 29 Maintenance and Repairs 29 STIHL Incorporated Federal Emission Control Warranty Statement 30 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 32 Trademarks 34 STIHl KM 55...
... the Engine ........ 15 Operating Instructions 19 Cleaning the Air Filter 19 Motor Management 20 Adjusting the Carburetor 20 Catalytic Converter 22 Checking the Spark Plug 22 Rewind Starter 23 Storing the Machine 24 Inspections and Maintenance by STIHL Service 24 Maintenance Chart 25 Main Parts and Controls 26 Specifications 28 Special Accessories 29 Maintenance and Repairs 29 STIHL Incorporated Federal Emission Control Warranty Statement 30 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 32 Trademarks 34 STIHl KM 55...
Instruction Manual
Page 3
... produce a power tool. Example: Loosen the screw (1) Lever (2) ... 2 KM 55 Always read and make sure you understand both instruction manuals before starting and using your STIHL dealer for changes, modifications or improvements not covered in the illustration. The KombiEngine and KombiTool come with separate instruction manuals. STIHL's philosophy is a high-speed working tool, some special safety precautions must be observed to continually improve all of your power tool differs from time to...
... produce a power tool. Example: Loosen the screw (1) Lever (2) ... 2 KM 55 Always read and make sure you understand both instruction manuals before starting and using your STIHL dealer for changes, modifications or improvements not covered in the illustration. The KombiEngine and KombiTool come with separate instruction manuals. STIHL's philosophy is a high-speed working tool, some special safety precautions must be observed to continually improve all of your power tool differs from time to...
Instruction Manual
Page 7
... above steps. 6 KM 55 Select bare ground for fuel leakage while refueling and during operation. In order to the power tool. Use extreme caution when handling gasoline or fuel mix. Fuel your clothing immediately. If fuel leakage is found, do this happens, change your power tool in a vehicle, properly secure it can cause fire and serious burn injury or property damage. Fueling Instructions !Warning! Check for fueling and move...
... above steps. 6 KM 55 Select bare ground for fuel leakage while refueling and during operation. In order to the power tool. Use extreme caution when handling gasoline or fuel mix. Fuel your clothing immediately. If fuel leakage is found, do this happens, change your power tool in a vehicle, properly secure it can cause fire and serious burn injury or property damage. Fueling Instructions !Warning! Check for fueling and move...
Instruction Manual
Page 9
... permanently damage the engine. In the event of the gases (e.g. The muffler and other reproductive harm. the trunk of your power tool using the starting throttle lock, as unburned hydrocarbons and carbon monoxide) known to left-handers. 8 KM 55 Have your muffler serviced and repaired by your STIHL servicing dealer only. 002BA057 KN Your right hand should not move the slide control / stop switch to adjust idle speed, see the...
... permanently damage the engine. In the event of the gases (e.g. The muffler and other reproductive harm. the trunk of your power tool using the starting throttle lock, as unburned hydrocarbons and carbon monoxide) known to left-handers. 8 KM 55 Have your muffler serviced and repaired by your STIHL servicing dealer only. 002BA057 KN Your right hand should not move the slide control / stop switch to adjust idle speed, see the...
Instruction Manual
Page 10
... off. Use only identical STIHL replacement parts for a component which is designed to the heat from the emission of performance and you make a warranty claim for maintenance and repair. Use of your muffler maintained by any nonroad engine repair establishment or individual. Strictly follow the maintenance and repair instructions in these screens will normally stay clean and need no service or maintenance. KM 55 9 Due to the maintenance charts respectively the maintenance notes...
... off. Use only identical STIHL replacement parts for a component which is designed to the heat from the emission of performance and you make a warranty claim for maintenance and repair. Use of your muffler maintained by any nonroad engine repair establishment or individual. Strictly follow the maintenance and repair instructions in these screens will normally stay clean and need no service or maintenance. KM 55 9 Due to the maintenance charts respectively the maintenance notes...
Instruction Manual
Page 11
... a dry and high or locked location out of reach of children. Always stop the engine and make sure it must be attached.) A loose connection between spark plug boot and the ignition wire connector in good condition. Always press spark plug boot snugly onto spark plug terminal of fire, never operate your power tool if the muffler is stopped before doing any maintenance or repair work or cleaning the power tool. Never test...
... a dry and high or locked location out of reach of children. Always stop the engine and make sure it must be attached.) A loose connection between spark plug boot and the ignition wire connector in good condition. Always press spark plug boot snugly onto spark plug terminal of fire, never operate your power tool if the muffler is stopped before doing any maintenance or repair work or cleaning the power tool. Never test...
Instruction Manual
Page 12
...-KM 2) Purpose Brushcutter with mowing head Brushcutter with grass cutting blade Hedge trimmer, adjustable Hedge trimmer, adjustable Hedge trimmer Power scythe Pole pruner Pick tine cultivator Power edger Bristle brush PowerSweep 1) Barrier bar must be mounted on loop handle 2) Unsuitable or not approved for KombiEngines with bike handle 5 67 4 2 3 1 A 4 3 Fitting the handlebar : Place the clamp (1) and handle support (2) on the drive tube (3) at distance (A) of approx. 15 cm (6 in) from engine...
...-KM 2) Purpose Brushcutter with mowing head Brushcutter with grass cutting blade Hedge trimmer, adjustable Hedge trimmer, adjustable Hedge trimmer Power scythe Pole pruner Pick tine cultivator Power edger Bristle brush PowerSweep 1) Barrier bar must be mounted on loop handle 2) Unsuitable or not approved for KombiEngines with bike handle 5 67 4 2 3 1 A 4 3 Fitting the handlebar : Place the clamp (1) and handle support (2) on the drive tube (3) at distance (A) of approx. 15 cm (6 in) from engine...
Instruction Manual
Page 15
... for use in your vehicle and place the canister on the ground before filling. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as special accessory 14 KM 55 When filling at a mix ratio of 50:1. The canister should be kept tightly closed in that position. : Insert M 6 x 14 screw (2). : Line up...
... for use in your vehicle and place the canister on the ground before filling. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as special accessory 14 KM 55 When filling at a mix ratio of 50:1. The canister should be kept tightly closed in that position. : Insert M 6 x 14 screw (2). : Line up...
Instruction Manual
Page 20
... high revs (full throttle off the spark plug. : Open the throttle wide. : Crank the engine several times with fuel. : Adjust choke lever to suit engine temperature. : Now start the engine. During operation After a long period of full-throttle operation, allow engine to run at idle speed so that the heat in the engine can be dissipated by flow of engine power : Set choke lever to bed in during this period. KM 55 19 even if bulb is cold. : Now start the engine...
... high revs (full throttle off the spark plug. : Open the throttle wide. : Crank the engine several times with fuel. : Adjust choke lever to suit engine temperature. : Now start the engine. During operation After a long period of full-throttle operation, allow engine to run at idle speed so that the heat in the engine can be dissipated by flow of engine power : Set choke lever to bed in during this period. KM 55 19 even if bulb is cold. : Now start the engine...
Instruction Manual
Page 22
... "Guide to change in each case. Engine stops while idling : Turn idle speed screw (LA) slowly clockwise until the tool stops moving and then turn the screw about 3 minutes. Erratic idling behavior, engine stops even though setting of LA screw is usually necessary to Using this Manual" KM 55 21 Fine Tuning for about another 1/2 to the low speed screw (L). : Warm up the engine for Operation at High Altitude or at full throttle. Maximum engine speed is...
... "Guide to change in each case. Engine stops while idling : Turn idle speed screw (LA) slowly clockwise until the tool stops moving and then turn the screw about 3 minutes. Erratic idling behavior, engine stops even though setting of LA screw is usually necessary to Using this Manual" KM 55 21 Fine Tuning for about another 1/2 to the low speed screw (L). : Warm up the engine for Operation at High Altitude or at full throttle. Maximum engine speed is...
Instruction Manual
Page 23
... Using this Manual" 22 KM 55 The catalylic converter in the muffler reduces noxious emissions in operation. * see chapter "Fuel"). Units with unleaded gasoline and STIHL two cycle engine oil or equivalent quality two cycle engine oils in a mix ratio of the spark plug. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of gasoline and two cycle engine oil are essential to minimize harmful exhaust emissions and ensure a long catalyst service...
... Using this Manual" 22 KM 55 The catalylic converter in the muffler reduces noxious emissions in operation. * see chapter "Fuel"). Units with unleaded gasoline and STIHL two cycle engine oil or equivalent quality two cycle engine oils in a mix ratio of the spark plug. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of gasoline and two cycle engine oil are essential to minimize harmful exhaust emissions and ensure a long catalyst service...
Instruction Manual
Page 24
... spark plug: : Too much oil in good time or have caused fouling of fire and burn injury, use only spark plugs authorized by STIHL. Replace a damaged starter rope in fuel mix. : Dirty air filter. : Unfavorable running conditions, e.g. English / USA Rewind Starter If engine is down on power, difficult to start or runs poorly at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - operating at idling speed, first check the spark plug. : Remove spark plug - Fit a new spark plug after approx. 100 operating...
... spark plug: : Too much oil in good time or have caused fouling of fire and burn injury, use only spark plugs authorized by STIHL. Replace a damaged starter rope in fuel mix. : Dirty air filter. : Unfavorable running conditions, e.g. English / USA Rewind Starter If engine is down on power, difficult to start or runs poorly at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - operating at idling speed, first check the spark plug. : Remove spark plug - Fit a new spark plug after approx. 100 operating...
Instruction Manual
Page 26
... (condition, fuel and other leaks) X X Clean X Control handle Check operation X X Air filter Clean Replace by a STIHL servicing dealer * See "Guide to Using this work be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle adjustment - Maintenance Chart Please note that this Manual" before starting work after finishing work or daily after each refueling stop weekly monthly yearly 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 KM 55 25 If your daily working time is...
... (condition, fuel and other leaks) X X Clean X Control handle Check operation X X Air filter Clean Replace by a STIHL servicing dealer * See "Guide to Using this work be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle adjustment - Maintenance Chart Please note that this Manual" before starting work after finishing work or daily after each refueling stop weekly monthly yearly 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 KM 55 25 If your daily working time is...
Instruction Manual
Page 27
... 12 18 22 19 20 23 21 8 6 5 15 13 14 16 # 17 931BA001 KN 1= Fuel pump 2= Carburetor adjusting screw 3= Spark plug boot 4= Starter grip 5= Muffler (with spark arrestor)* 6= Throttle trigger 7= Slide control 8= Throttle trigger interlock 9= Bike handle 10= Handle support 11= Carrying ring 12= Throttle cable retainer 13= Choke lever 14= Air filter cover 15= Fuel filler cap 16= Fuel tank 17= Machine support 18= Loop handle 19= Barrier bar* 20= Drive tube 21= Stop switch 22= Coupling sleeve 23= Wing screw # Serial number * see "Guide to Using this Manual" 26 KM 55
... 12 18 22 19 20 23 21 8 6 5 15 13 14 16 # 17 931BA001 KN 1= Fuel pump 2= Carburetor adjusting screw 3= Spark plug boot 4= Starter grip 5= Muffler (with spark arrestor)* 6= Throttle trigger 7= Slide control 8= Throttle trigger interlock 9= Bike handle 10= Handle support 11= Carrying ring 12= Throttle cable retainer 13= Choke lever 14= Air filter cover 15= Fuel filler cap 16= Fuel tank 17= Machine support 18= Loop handle 19= Barrier bar* 20= Drive tube 21= Stop switch 22= Coupling sleeve 23= Wing screw # Serial number * see "Guide to Using this Manual" 26 KM 55
Instruction Manual
Page 28
... Bar Helps maintain clearance between the engine and gearhead. 21. KM 55 27 Slide Control For starting throttle, run and stop the engine. 8. Throttle Cable Retainer Secures the throttle cable to the harness 12. Air Filter Cover Encloses and protects the air filter. 15. Loop Handle For easy control of the engine. 7. Carburetor Adjusting Screw For tuning the carburetor. 3. Handle Support Connects the drive tube and bike handle. 11. Carrying Ring Connects the machine to the drive tube. 13. Fuel Filler Cap...
... Bar Helps maintain clearance between the engine and gearhead. 21. KM 55 27 Slide Control For starting throttle, run and stop the engine. 8. Throttle Cable Retainer Secures the throttle cable to the harness 12. Air Filter Cover Encloses and protects the air filter. 15. Loop Handle For easy control of the engine. 7. Carburetor Adjusting Screw For tuning the carburetor. 3. Handle Support Connects the drive tube and bike handle. 11. Carrying Ring Connects the machine to the drive tube. 13. Fuel Filler Cap...
Instruction Manual
Page 31
... Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S. Box 2015, Virginia Beach, VA 23450-2015. In the U.S. The equipment engine must be used in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the required maintenance listed in materials and workmanship which cause the engine to fail to a STIHL service center as soon as the carburetor and the ignition system...
... Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S. Box 2015, Virginia Beach, VA 23450-2015. In the U.S. The equipment engine must be used in non-warranty maintenance or repairs, and shall not reduce the warranty obligations of the required maintenance listed in materials and workmanship which cause the engine to fail to a STIHL service center as soon as the carburetor and the ignition system...
Instruction Manual
Page 32
... work shall be free of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from this manual are based on the application of charge to the owner if it is defective. KM 55 31 STIHL Incorporated is scheduled only for regular inspection to the effect of "repair or replace as the owner, shall not be charged for that a warranted part is determined that...
... work shall be free of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from this manual are based on the application of charge to the owner if it is defective. KM 55 31 STIHL Incorporated is scheduled only for regular inspection to the effect of "repair or replace as the owner, shall not be charged for that a warranted part is determined that...
Instruction Manual
Page 33
... for the lack of charge. STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of receipts or your small off-road equipment engine to a STIHL Service center 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 Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. Your emissions control system may deny you are...
... for the lack of charge. STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of receipts or your small off-road equipment engine to a STIHL Service center 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 Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. Your emissions control system may deny you are...
Instruction Manual
Page 34
... to the first scheduled replacement point for the part. 4. Notwithstanding the provisions of Subsection (4) above, warranty services or repairs will be warranted for the warranty period defined in Subsection DEFECTS WARRANTY PERIOD, see above . KM 55 33 Any warranted part that is not scheduled for replacement as required maintenance in the Emission Warranty Parts List (see below . Repair or replacement of any such part fails during the period...
... to the first scheduled replacement point for the part. 4. Notwithstanding the provisions of Subsection (4) above, warranty services or repairs will be warranted for the warranty period defined in Subsection DEFECTS WARRANTY PERIOD, see above . KM 55 33 Any warranted part that is not scheduled for replacement as required maintenance in the Emission Warranty Parts List (see below . Repair or replacement of any such part fails during the period...
Instruction Manual
Page 35
... that has a factory installed, and properly operating, adjustment limiting device is still eligible for warranty coverage. English / USA Trademarks Emission Warranty Parts List 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 Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a claim for repair or replacement of the part. Limitations The repair or replacement of STIHL's Common Law Trademarks...
... that has a factory installed, and properly operating, adjustment limiting device is still eligible for warranty coverage. English / USA Trademarks Emission Warranty Parts List 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 Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a claim for repair or replacement of the part. Limitations The repair or replacement of STIHL's Common Law Trademarks...