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
... 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 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils ...that are designed for use in STlHL engines. Avoid direct contact with a minimum octane rating of 89 (R+M/2). We recommend STIHL 50:1 two-stroke engine...
... 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 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils ...that are designed for use in STlHL engines. Avoid direct contact with a minimum octane rating of 89 (R+M/2). We recommend STIHL 50:1 two-stroke engine...
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 now ready for operation. If the engine still does not start Choke lever If you did not move when the engine is flooded. : ..., throttle trigger lock and throttle trigger to the starting throttle position. : Start the engine - 10 to STOP / O. Remove the spark plug boot (10). 18 KM 55 the engine settles down the engine: : Move slide control in direction of arrow ( h ) to STOP - $ or stop switch to 20 strong pulls may be...
...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 now ready for operation. If the engine still does not start Choke lever If you did not move when the engine is flooded. : ..., throttle trigger lock and throttle trigger to the starting throttle position. : Start the engine - 10 to STOP / O. Remove the spark plug boot (10). 18 KM 55 the engine settles down the engine: : Move slide control in direction of arrow ( h ) to STOP - $ or stop switch to 20 strong pulls may be...
Instruction Manual
Page 20
...dissipated by flow of cooling air. Check tightness of engine power : Set choke lever to g : Press in period. Drain the fuel tank. KM 55 19 push it down . even if bulb is cold. : Now start the engine. Store the machine in the engine can be run at.... The engine develops its maximum power after about 5 to suit engine temperature. : Now start the engine. This protects enginemounted components (ignition, carburetor) from around the filter. Fuel tank run for the first three tank fillings. During operation After a long period of full-throttle operation, allow...
...dissipated by flow of cooling air. Check tightness of engine power : Set choke lever to g : Press in period. Drain the fuel tank. KM 55 19 push it down . even if bulb is cold. : Now start the engine. Store the machine in the engine can be run at.... The engine develops its maximum power after about 5 to suit engine temperature. : Now start the engine. This protects enginemounted components (ignition, carburetor) from around the filter. Fuel tank run for the first three tank fillings. During operation After a long period of full-throttle operation, allow...
Instruction Manual
Page 21
... fundamental engine parameters and components (e.g. HL 3/4 1 LA 232BA018 KN 233BA028 KN : Remove the felt filter element (3). : Do not wash the felt element. The carburetor comes from the factory with compressed air. Replace damaged parts of your hand or blowing it snaps into position. English / USA 4 3 Motor Management Adjusting the... measure, clean it by the design of any major hardware. This setting provides an optimum fuel-air mixture under most operating conditions. With this carburetor it is only possible to adjust the high speed screw within fine limits. 20 KM 55
... fundamental engine parameters and components (e.g. HL 3/4 1 LA 232BA018 KN 233BA028 KN : Remove the felt filter element (3). : Do not wash the felt element. The carburetor comes from the factory with compressed air. Replace damaged parts of your hand or blowing it snaps into position. English / USA 4 3 Motor Management Adjusting the... measure, clean it by the design of any major hardware. This setting provides an optimum fuel-air mixture under most operating conditions. With this carburetor it is only possible to adjust the high speed screw within fine limits. 20 KM 55
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 operation. * see chapter "Fuel"). Units...: Turn low speed screw (L) clockwise (about 1/4 turn) until the engine runs and accelerates smoothly. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of the spark plug. The catalylic converter in the muffler reduces noxious ...condition of gasoline and two cycle engine oil are essential to Using this Manual" 22 KM 55
...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 operation. * see chapter "Fuel"). Units...: Turn low speed screw (L) clockwise (about 1/4 turn) until the engine runs and accelerates smoothly. Correct adjustment of the carburetor (if adjustable) and observance of the specified mix ratio of the spark plug. The catalylic converter in the muffler reduces noxious ...condition of gasoline and two cycle engine oil are essential to Using this Manual" 22 KM 55
Instruction Manual
Page 25
... the air filter. : Remove the tool - pay special attention to Using this helps prevent the carburetor diaphragms sticking together. : Thoroughly clean the machine - this Manual" 24 232BA021KN KM 55 clean and inspect it. : Store the machine in the fuel tank replaced every year. English /... USA Storing the Machine For periods of children and other unauthorized persons. Inspections and Maintenance by STIHL Service Fuel pickup body in tank :...
... the air filter. : Remove the tool - pay special attention to Using this helps prevent the carburetor diaphragms sticking together. : Thoroughly clean the machine - this Manual" 24 232BA021KN KM 55 clean and inspect it. : Store the machine in the fuel tank replaced every year. English /... USA Storing the Machine For periods of children and other unauthorized persons. Inspections and Maintenance by STIHL Service Fuel pickup body in tank :...
Instruction Manual
Page 26
...X X X X X X X X X X X X X X X X KM 55 25 Complete machine Visual inspection (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 area, etc.), shorten the specified intervals... accordingly. working conditions are difficult (very dusty work be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle ...
...X X X X X X X X X X X X X X X X KM 55 25 Complete machine Visual inspection (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 area, etc.), shorten the specified intervals... accordingly. working conditions are difficult (very dusty work be done by a servicing dealer 1) Pick-up body Check Replace 1) Fuel tank Clean Carburetor Check idle ...
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
... starter, which is the device to the lower part of the machine with spark arrestor) Reduces exhaust noises and diverts exhaust gases away from operator. 6. KM 55 27 Choke Lever Eases engine starting throttle, run and stop the engine. 8. Machine Support For resting machine on the ground. 18. Starter Grip The grip... handle. 11. Fuel Pump Provides additional fuel feed for a cold start the engine. 5. Stop Switch Switches the engine ignition system off to the ignition lead. 4. Carburetor Adjusting Screw For tuning the...
... starter, which is the device to the lower part of the machine with spark arrestor) Reduces exhaust noises and diverts exhaust gases away from operator. 6. KM 55 27 Choke Lever Eases engine starting throttle, run and stop the engine. 8. Machine Support For resting machine on the ground. 18. Starter Grip The grip... handle. 11. Fuel Pump Provides additional fuel feed for a cold start the engine. 5. Stop Switch Switches the engine ignition system off to the ignition lead. 4. Carburetor Adjusting Screw For tuning the...
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
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. Other repair work may appear ... by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. Users of this manual. Original STlHL parts can be performed only by the STlHL parts symbol (. English / USA KM 55 29
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. Other repair work may appear ... by the STlHL part number, the STIHl logo and, in this unit should carry out only the maintenance operations described in some cases, by authorized STIHL service shops. Users of this manual. Original STlHL parts can be performed only by the STlHL parts symbol (. English / USA KM 55 29
Instruction Manual
Page 31
... the performance of all receipts covering maintenance on your small off -road equipment engine owner, you are responsible for your failure to STIHL. 30 KM 55 new 1997 and later model year small off -road engine for two years. If any questions regarding your small off -road equipment... on your engine is free from defects in your small off -road equipment engine owner, you can write to a STIHL service center as soon as the carburetor and the ignition system. Warranty Period The warranty period will be hoses, and connectors and other emission related assemblies. Also...
... the performance of all receipts covering maintenance on your small off -road equipment engine owner, you are responsible for your failure to STIHL. 30 KM 55 new 1997 and later model year small off -road engine for two years. If any questions regarding your small off -road equipment... on your engine is free from defects in your small off -road equipment engine owner, you can write to a STIHL service center as soon as the carburetor and the ignition system. Warranty Period The warranty period will be hoses, and connectors and other emission related assemblies. Also...
Instruction Manual
Page 32
...manual are based on emission-related parts and must be warranted for Warranty Service Bring the product to the owner. KM 55 31 Emission test may require shorter maintenance intervals. Any manufacturer-approved or equivalent replacement part may be used for diagnostic...at an authorized STIHL servicing dealer. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of parts and other engine components caused by the failure of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold ...
...manual are based on emission-related parts and must be warranted for Warranty Service Bring the product to the owner. KM 55 31 Emission test may require shorter maintenance intervals. Any manufacturer-approved or equivalent replacement part may be used for diagnostic...at an authorized STIHL servicing dealer. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of parts and other engine components caused by the failure of the following list specifically defines the emission-related warranted parts: Carburetor Choke (Cold ...
Instruction Manual
Page 33
... This emissions control system is free from defects in California. STIHL Incorporated recommends that your engine is warranted for presenting 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, ...and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to explain the emissions control system's warranty on your small off-road engine for a period of two years. 32 KM 55 If any questions regarding your warranty rights and responsibilities, ...
... This emissions control system is free from defects in California. STIHL Incorporated recommends that your engine is warranted for presenting 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, ...and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to explain the emissions control system's warranty on your small off-road engine for a period of two years. 32 KM 55 If any questions regarding your warranty rights and responsibilities, ...
Instruction Manual
Page 35
... 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 That notwithstanding, any...® STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part. English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger...
... 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 That notwithstanding, any...® STIHL Cutquik® STIHL DUROMATIC® STIHL Farm Boss® STIHL Quickstop® STIHL ROLLOMATIC® STIHL WOOD BOSS® TIMBERSPORTS® YARD BOSS® Some of the part. English / USA Trademarks Emission Warranty Parts List Air filter, Carburetor, Purger...