Instruction Manual
Page 2
...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 English / USA Allow only persons who understand the manuals ...
...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 English / USA Allow only persons who understand the manuals ...
Instruction Manual
Page 15
... the risk of 89 (R+M/2). 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 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are...from your area is specially formulated for use in STlHL engines. Fuel with the skin and avoid inhaling fuel vapor. We recommend STIHL 50:1 two-stroke engine oil since it is lower, use only nationally recognized high-quality unleaded gasoline! If the octane rating...
... the risk of 89 (R+M/2). 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 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are...from your area is specially formulated for use in STlHL engines. Fuel with the skin and avoid inhaling fuel vapor. We recommend STIHL 50:1 two-stroke engine oil since it is lower, use only nationally recognized high-quality unleaded gasoline! If the octane rating...
Instruction Manual
Page 19
... Versions with loop handle: : Squeeze throttle until it slowly back into the housing so that the starter rope can rewind properly. 8 Make sure the carburetor is flooded. : Move the choke lever to e : Move the slide control, throttle trigger lock and throttle trigger to the starting throttle position. :... : Do not let the starter grip snap back. Versions with bike handle: : Blip the throttle trigger - Remove the spark plug boot (10). 18 KM 55 Guide it fires. After no more than five pulls, move when the engine is now ready for operation. the tool must not move the choke...
... Versions with loop handle: : Squeeze throttle until it slowly back into the housing so that the starter rope can rewind properly. 8 Make sure the carburetor is flooded. : Move the choke lever to e : Move the slide control, throttle trigger lock and throttle trigger to the starting throttle position. :... : Do not let the starter grip snap back. Versions with bike handle: : Blip the throttle trigger - Remove the spark plug boot (10). 18 KM 55 Guide it fires. After no more than five pulls, move when the engine is now ready for operation. the tool must not move the choke...
Instruction Manual
Page 20
... filters reduce engine power increase fuel consumption and make starting more difficult. This avoids unnecessary high loads during this period. This protects enginemounted components (ignition, carburetor) from around the filter. Check tightness of nuts and screws (not adjusting screws) at least five times - Operating Instructions English / USA Cleaning the Air Filter... - After finishing work Wait for engine to cool down firmly. : Set the stop switch or slide control to I / # : Set choke lever to 15 tank fillings. KM 55 19
... filters reduce engine power increase fuel consumption and make starting more difficult. This avoids unnecessary high loads during this period. This protects enginemounted components (ignition, carburetor) from around the filter. Check tightness of nuts and screws (not adjusting screws) at least five times - Operating Instructions English / USA Cleaning the Air Filter... - After finishing work Wait for engine to cool down firmly. : Set the stop switch or slide control to I / # : Set choke lever to 15 tank fillings. KM 55 19
Instruction Manual
Page 21
... housing (4). : Close the filter cover so that it is only possible to adjust the high speed screw within fine limits. 20 KM 55 The carburetor comes from the factory with compressed air. Fit a new one. With this carburetor it snaps into position. As a temporary measure, clean it by the design of any major hardware.
... housing (4). : Close the filter cover so that it is only possible to adjust the high speed screw within fine limits. 20 KM 55 The carburetor comes from the factory with compressed air. Fit a new one. With this carburetor it snaps into position. As a temporary measure, clean it by the design of any major hardware.
Instruction Manual
Page 23
...These factors cause deposits to form on the insulator nose which may only be operated with unleaded gasoline and STIHL two cycle engine oil or equivalent quality two cycle engine oils in a mix ratio of 50:1 (...life. 000BA002 KN Wrong fuel mix (too much engine oil in the exhaust gas. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of the spark plug. The catalylic converter in the...two cycle engine oil are essential to Using this Manual" 22 KM 55 Units with a catalytic converter* may result in trouble in operation. * see chapter "Fuel").
...These factors cause deposits to form on the insulator nose which may only be operated with unleaded gasoline and STIHL two cycle engine oil or equivalent quality two cycle engine oils in a mix ratio of 50:1 (...life. 000BA002 KN Wrong fuel mix (too much engine oil in the exhaust gas. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of the spark plug. The catalylic converter in the...two cycle engine oil are essential to Using this Manual" 22 KM 55 Units with a catalytic converter* may result in trouble in operation. * see chapter "Fuel").
Instruction Manual
Page 25
this Manual" 24 232BA021KN KM 55 out of the reach of about 3 months or longer: : Drain and clean the fuel tank in a well ventilated area. : Dispose fuel properly in the fuel ... arresting screen in the muffler* : If the engine is dry - Inspections and Maintenance by STIHL Service Fuel pickup body in tank : Have the pickup body in accordance with local environmental requirements. : Run the engine until the carburetor is low on power, have the spark arresting screen in a dry, high or locked location...
this Manual" 24 232BA021KN KM 55 out of the reach of about 3 months or longer: : Drain and clean the fuel tank in a well ventilated area. : Dispose fuel properly in the fuel ... arresting screen in the muffler* : If the engine is dry - Inspections and Maintenance by STIHL Service Fuel pickup body in tank : Have the pickup body in accordance with local environmental requirements. : Run the engine until the carburetor is low on power, have the spark arresting screen in a dry, high or locked location...
Instruction Manual
Page 26
...X Clean X Control handle Check operation X X Air filter Clean Replace by a STIHL servicing dealer * See "Guide to Using this Manual" before starting work after finishing...be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle adjustment - working conditions are difficult (very dusty work or daily after about ... 1) Accessible screws and nuts (not adjusting screws)) Retighten Illegible safety labels Replace 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. If your daily working...
...X Clean X Control handle Check operation X X Air filter Clean Replace by a STIHL servicing dealer * See "Guide to Using this Manual" before starting work after finishing...be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle adjustment - working conditions are difficult (very dusty work or daily after about ... 1) Accessible screws and nuts (not adjusting screws)) Retighten Illegible safety labels Replace 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions. If your daily working...
Instruction Manual
Page 27
... Main Parts and Controls 7 6 8 3 1 4 2 9 22 20 10 23 11 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... 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
... Main Parts and Controls 7 6 8 3 1 4 2 9 22 20 10 23 11 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... 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
... For tuning the carburetor. 3. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 9. Choke Lever Eases engine starting throttle, run and stop the engine. 8. Fuel ... and legs of the engine. 22. English / USA Definitions 1. Muffler (with both hands. 10. Barrier Bar Helps maintain clearance between the engine and gearhead. 21. KM 55 27
... For tuning the carburetor. 3. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 9. Choke Lever Eases engine starting throttle, run and stop the engine. 8. Fuel ... and legs of the engine. 22. English / USA Definitions 1. Muffler (with both hands. 10. Barrier Bar Helps maintain clearance between the engine and gearhead. 21. KM 55 27
Instruction Manual
Page 29
...: 1.34 in (34 mm) Stroke: 1.18 in lang (9.5 mm) Fuel System Carburetor: All position diaphragm carburetor with integral fuel pump Air filter: Fuel tank capacity: Fuel mix: Felt element 0.7 US.pt (0.33 l) see chapter "Fuel" Weight Standard versions dry, without CombiTool KM 55 1) KM 55 R KM 55 C 1) 2) KM 55 R 2) 9.3 lbs (4.2 kg) 8.8 lbs (4.0 kg) 9.5 lbs (4.3 kg) 9.0 lbs (4.1 kg) 1) Version with bike...
...: 1.34 in (34 mm) Stroke: 1.18 in lang (9.5 mm) Fuel System Carburetor: All position diaphragm carburetor with integral fuel pump Air filter: Fuel tank capacity: Fuel mix: Felt element 0.7 US.pt (0.33 l) see chapter "Fuel" Weight Standard versions dry, without CombiTool KM 55 1) KM 55 R KM 55 C 1) 2) KM 55 R 2) 9.3 lbs (4.2 kg) 8.8 lbs (4.0 kg) 9.5 lbs (4.3 kg) 9.0 lbs (4.1 kg) 1) Version with bike...
Instruction Manual
Page 30
English / USA KM 55 29 Users of this manual. Other repair work may appear alone on these and other special accessories. This symbol may be performed only by authorized STIHL service shops. Warranty claims following repairs can be accepted only if the repair has ... performed by the STlHL parts symbol (. Special Accessories Maintenance and Repairs Safety glasses Shoulder strap Full harness Combination wrench Carburetor screwdriver STIHL ElastoStart (starter rope with grip) Special resin-free lubricating oil Contact your CombiTool instruction manual. Original STlHL parts can...
English / USA KM 55 29 Users of this manual. Other repair work may appear alone on these and other special accessories. This symbol may be performed only by authorized STIHL service shops. Warranty claims following repairs can be accepted only if the repair has ... performed by the STlHL parts symbol (. Special Accessories Maintenance and Repairs Safety glasses Shoulder strap Full harness Combination wrench Carburetor screwdriver STIHL ElastoStart (starter rope with grip) Special resin-free lubricating oil Contact your CombiTool instruction manual. Original STlHL parts can...
Instruction Manual
Page 31
... have any emissionrelated part on your small off-road equipment engine to a STIHL service center as soon as the carburetor and the ignition system. EPA standards for California: STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S.... be repaired or replaced by STIHL Incorporated free of all applicable regulations. Box 2015, Virginia Beach, VA 23450-2015. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your failure to STIHL. 30 KM 55 The equipment engine must be aware...
... have any emissionrelated part on your small off-road equipment engine to a STIHL service center as soon as the carburetor and the ignition system. EPA standards for California: STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations The U.S.... be repaired or replaced by STIHL Incorporated free of all applicable regulations. Box 2015, Virginia Beach, VA 23450-2015. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your failure to STIHL. 30 KM 55 The equipment engine must be aware...
Instruction Manual
Page 32
... that a warranted part is tested as non-defective, STIHL Incorporated will charge you claim warranty for the cost of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold start enrichment system) Intake manifold Air filter...and other engine components caused by STIHL Incorporated at any independent test laboratory. Emission test may be performed at any authorized STIHL servicing dealer or warranty station. KM 55 31 Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of...
... that a warranted part is tested as non-defective, STIHL Incorporated will charge you claim warranty for the cost of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold start enrichment system) Intake manifold Air filter...and other engine components caused by STIHL Incorporated at any independent test laboratory. Emission test may be performed at any authorized STIHL servicing dealer or warranty station. KM 55 31 Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of...
Instruction Manual
Page 33
...the small off-road equipment engine owner, you are responsible for the period listed below provided there has been no cost 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,... -road equipment engine to you retain all receipts covering maintenance on your small off-road engine for presenting your small off -road engine. STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of two years. 32 KM 55
...the small off-road equipment engine owner, you are responsible for the period listed below provided there has been no cost 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,... -road equipment engine to you retain all receipts covering maintenance on your small off-road engine for presenting your small off -road engine. STIHL Incorporated must be repaired or replaced by STIHL Incorporated free of two years. 32 KM 55
Instruction Manual
Page 35
... Mark™ Quad Power™ Quiet Line™ STIHL Arctic™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ STIHL Magnum /Stihl-Magnum™ STIHL MiniBoss™ STIHL MotoPlus 4™ STIHL Multi-Cut HomeScaper Series™ Stihl Outfitters™ 34 KM 55 English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger Choke (Cold start enrichment system) Control...
... Mark™ Quad Power™ Quiet Line™ STIHL Arctic™ STIHL Compact™ STIHL HomeScaper Series™ STIHL Interchangeable Attachment Series™ STIHL Magnum /Stihl-Magnum™ STIHL MiniBoss™ STIHL MotoPlus 4™ STIHL Multi-Cut HomeScaper Series™ Stihl Outfitters™ 34 KM 55 English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger Choke (Cold start enrichment system) Control...