Product Instruction Manual
Page 3
...Approved KombiTools 11 Mounting the Loop Handle 12 Adjusting the Throttle Cable 13 4-MIX Engine 13 Fuel 13 Fueling 14 Starting / Stopping the Engine 16 Operating Instructions 18 Cleaning the Air Filter 18 Engine Management 19 Adjusting the Carburetor 19 ...Parts 28 Specifications 29 Special Accessories 30 Maintenance and Repairs 30 STIHL Incorporated Federal Emission Control Warranty Statement 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 33 { KM 90 R English 35 Allow only persons who fully understand the ...
...Approved KombiTools 11 Mounting the Loop Handle 12 Adjusting the Throttle Cable 13 4-MIX Engine 13 Fuel 13 Fueling 14 Starting / Stopping the Engine 16 Operating Instructions 18 Cleaning the Air Filter 18 Engine Management 19 Adjusting the Carburetor 19 ...Parts 28 Specifications 29 Special Accessories 30 Maintenance and Repairs 30 STIHL Incorporated Federal Emission Control Warranty Statement 31 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement 33 { KM 90 R English 35 Allow only persons who fully understand the ...
Product Instruction Manual
Page 7
...the tank venting system. Gasoline vapor pressure may be extremely dangerous. Select bare ground for use with STIHL power tools, their use may escape from the fueling spot before starting the engine. Different models may build up in any fire or flame near the fuel or the ...cap with different fuel caps. Check in the fuel tank opening. Warning! Warning! If this tool is in fact, be equipped with grip Warning! KM 90 R 5 In case of doubt, have it checked by a spark or other personal injury from burns, never attempt to cool before refueling. Always...
...the tank venting system. Gasoline vapor pressure may be extremely dangerous. Select bare ground for use with STIHL power tools, their use may escape from the fueling spot before starting the engine. Different models may build up in any fire or flame near the fuel or the ...cap with different fuel caps. Check in the fuel tank opening. Warning! Warning! If this tool is in fact, be equipped with grip Warning! KM 90 R 5 In case of doubt, have it checked by a spark or other personal injury from burns, never attempt to cool before refueling. Always...
Product Instruction Manual
Page 8
... or maintained, or not completely or securely assembled. 6 KM 90 R Never operate your power tool for installation N To return the cap to the idle position. Insert the cap in closed position. Next, twist the cap counterclockwise as far as possible. Before Starting Warning! this STIHL cap, raise the grip on the top of the...
... or maintained, or not completely or securely assembled. 6 KM 90 R Never operate your power tool for installation N To return the cap to the idle position. Insert the cap in closed position. Next, twist the cap counterclockwise as far as possible. Before Starting Warning! this STIHL cap, raise the grip on the top of the...
Product Instruction Manual
Page 9
...starting . Maintain good balance and secure footing. To reduce the risk of injury from loss of control, do not wrap the starter rope around the handles. Failure to adjust idle speed, see the appropriate section of control or contact with the running working tool. Work carefully. 002BA057 KN KM 90...other solid surface in the instruction manual of you to engage and move . Starting Start the engine at all other insecure support. When you cannot set the correct idle speed, have your STIHL dealer check your power tool. Do not allow the engine to slow down to...
...starting . Maintain good balance and secure footing. To reduce the risk of injury from loss of control, do not wrap the starter rope around the handles. Failure to adjust idle speed, see the appropriate section of control or contact with the running working tool. Work carefully. 002BA057 KN KM 90...other solid surface in the instruction manual of you to engage and move . Starting Start the engine at all other insecure support. When you cannot set the correct idle speed, have your STIHL dealer check your power tool. Do not allow the engine to slow down to...
Product Instruction Manual
Page 10
... wood away from the operator. Use good work practices, such as operating the unit so that are hot. Have your power tool using the starting throttle lock, as mold or pollen, can cause susceptible persons to have control of certain dusts, especially organic dusts such as you do not ... as unburned hydrocarbons (including benzene) and carbon monoxide, that the wind or operating process directs any dust raised by your muffler. Never modify your STIHL servicing dealer only. 8 KM 90 R The muffler could be substantially controlled, i.e., kept at the source where possible.
... wood away from the operator. Use good work practices, such as operating the unit so that are hot. Have your power tool using the starting throttle lock, as mold or pollen, can cause susceptible persons to have control of certain dusts, especially organic dusts such as you do not ... as unburned hydrocarbons (including benzene) and carbon monoxide, that the wind or operating process directs any dust raised by your muffler. Never modify your STIHL servicing dealer only. 8 KM 90 R The muffler could be substantially controlled, i.e., kept at the source where possible.
Product Instruction Manual
Page 15
.... For this sets the throttle cable correctly. 002BA161 KN 002BA163 KN 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on the 4-stroke principle. KM 90 R 13 Fuel with a minimum octane rating of more than 10% can cause running... Press down the throttle trigger lockout (1) and squeeze the throttle trigger (2) (full throttle) - The ethanol content in the full throttle, starting throttle and idle positions. English Adjusting the Throttle Cable A properly adjusted throttle cable is the precondition for correct operation in gasoline affects engine ...
.... For this sets the throttle cable correctly. 002BA161 KN 002BA163 KN 4-MIX Engine The STIHL 4-MIX engine features mixture lubrication and must be run on the 4-stroke principle. KM 90 R 13 Fuel with a minimum octane rating of more than 10% can cause running... Press down the throttle trigger lockout (1) and squeeze the throttle trigger (2) (full throttle) - The ethanol content in the full throttle, starting throttle and idle positions. English Adjusting the Throttle Cable A properly adjusted throttle cable is the precondition for correct operation in gasoline affects engine ...
Product Instruction Manual
Page 18
... hold them in that order. engine off 5 F - the engine can start 9 8 N Set the choke knob (8) 16 KM 90 R N Turn the cap clockwise as far as it will go and tighten it there. This is switched off - START STOP Symbol on - Starting N Press down the trigger lockout lever and squeeze the throttle trigger. N Move the slide...
... hold them in that order. engine off 5 F - the engine can start 9 8 N Set the choke knob (8) 16 KM 90 R N Turn the cap clockwise as far as it will go and tighten it there. This is switched off - START STOP Symbol on - Starting N Press down the trigger lockout lever and squeeze the throttle trigger. N Move the slide...
Product Instruction Manual
Page 19
... and secure footing. N Turn the choke knob to e N Set the slide control, lockout lever and throttle trigger to disengage the starting throttle position. see also "Starting / Stopping the Engine" in the direction of the arrow on the machine support: Check that the starter rope can rewind properly. N...combustion chamber is already filled with your left hand and press it down firmly - and the engine settles down to the normal run position F - KM 90 R 17 g if the engine is still cold. also use this posi- N Press the fuel pump bulb (9) at least five times - even ...
... and secure footing. N Turn the choke knob to e N Set the slide control, lockout lever and throttle trigger to disengage the starting throttle position. see also "Starting / Stopping the Engine" in the direction of the arrow on the machine support: Check that the starter rope can rewind properly. N...combustion chamber is already filled with your left hand and press it down firmly - and the engine settles down to the normal run position F - KM 90 R 17 g if the engine is still cold. also use this posi- N Press the fuel pump bulb (9) at least five times - even ...
Product Instruction Manual
Page 20
... slide control to engine temperature. Throttle cable adjustment N Check adjustment of engine power 4 1 2 N Turn the choke knob to cool down firmly. 18 KM 90 R N Set the choke knob according to START. After Finishing Work Storing for a short period: Wait for the engine to g N Take out the screw (1) and remove the filter cover (2). For...
... slide control to engine temperature. Throttle cable adjustment N Check adjustment of engine power 4 1 2 N Turn the choke knob to cool down firmly. 18 KM 90 R N Set the choke knob according to START. After Finishing Work Storing for a short period: Wait for the engine to g N Take out the screw (1) and remove the filter cover (2). For...
Product Instruction Manual
Page 21
... N Mount KombiTool with a standard setting. High speed screw (H) is 3/4 of the high speed screw (H) may be set within narrow limits. N Start the machine and let the engine warm up N Using the idle speed screw (LA), set the idle speed so that the working tool does not...been adjusted for optimum performance and fuel efficiency in mountain country, at sea level or after changing working or cutting tool N Check air filter - KM 90 R 19 Low speed screw (L) is 3/4 of a turn both adjusting screws counterclockwise until they are controlled by the design of any major hardware...
... N Mount KombiTool with a standard setting. High speed screw (H) is 3/4 of the high speed screw (H) may be set within narrow limits. N Start the machine and let the engine warm up N Using the idle speed screw (LA), set the idle speed so that the working tool does not...been adjusted for optimum performance and fuel efficiency in mountain country, at sea level or after changing working or cutting tool N Check air filter - KM 90 R 19 Low speed screw (L) is 3/4 of a turn both adjusting screws counterclockwise until they are controlled by the design of any major hardware...
Product Instruction Manual
Page 23
... spark arresting screen. N Insert the screw and tighten it out. Removing the spark plug N Move the slide control to start or runs poorly at idling speed, first check the spark plug. see "Specifications". KM 90 R 21 N Check electrode gap (A) and readjust if necessary - N Use only resistor type spark plugs of spark plug: - Too...
... spark arresting screen. N Insert the screw and tighten it out. Removing the spark plug N Move the slide control to start or runs poorly at idling speed, first check the spark plug. see "Specifications". KM 90 R 21 N Check electrode gap (A) and readjust if necessary - N Use only resistor type spark plugs of spark plug: - Too...
Product Instruction Manual
Page 26
... KN 249BA016 KN N Position the new spring housing, bottom plate facing up, against the cutouts (arrows). then go of the rope off the rotor. 24 KM 90 R Pull out and straighten the twisted rope. N Remove the spring housing and pieces of the housing. The starter grip must still be under tension and... in the rope bushing. N Push the spring housing into the starter cover. If this is not the case, the spring is fully extended it counterclockwise, starting outside and working inwards.
... KN 249BA016 KN N Position the new spring housing, bottom plate facing up, against the cutouts (arrows). then go of the rope off the rotor. 24 KM 90 R Pull out and straighten the twisted rope. N Remove the spring housing and pieces of the housing. The starter grip must still be under tension and... in the rope bushing. N Push the spring housing into the starter cover. If this is not the case, the spring is fully extended it counterclockwise, starting outside and working inwards.
Product Instruction Manual
Page 28
... hours of operation, by servicing dealer1) Decarbonize after 139 hours of operation, subsequently after every 150 hours of operation check X Clean or replace 26 before starting work at the end of work and/or daily whenever tank is refilled weekly monthly yearly if faulty if damaged as required...
... hours of operation, by servicing dealer1) Decarbonize after 139 hours of operation, subsequently after every 150 hours of operation check X Clean or replace 26 before starting work at the end of work and/or daily whenever tank is refilled weekly monthly yearly if faulty if damaged as required...
Product Instruction Manual
Page 29
... check X have them replaced by a specialist dealer 1) Safety information sticker replace 1) STIHL recommends STIHL servicing dealers before starting work at the end of work and/or daily whenever tank is refilled weekly monthly yearly if faulty if damaged as required English X X X X X KM 90 R 27 The specified intervals must be shortened accordingly when working for longer...
... check X have them replaced by a specialist dealer 1) Safety information sticker replace 1) STIHL recommends STIHL servicing dealers before starting work at the end of work and/or daily whenever tank is refilled weekly monthly yearly if faulty if damaged as required English X X X X X KM 90 R 27 The specified intervals must be shortened accordingly when working for longer...
Product Instruction Manual
Page 31
... open during cutting work. 9 Barrier Bar Helps keep user's feet and legs clear of operating hours for starting throttle, run and stop. Spark arresting screen is designed to reduce the risk of fire. 6 Coupling Sleeve...-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL one-cylinder, four-stroke engine with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from... has been shown to the harness. 11 Slide Control For starting the engine. 5 Muffler with mixture lubrication KM 90 R 29
... open during cutting work. 9 Barrier Bar Helps keep user's feet and legs clear of operating hours for starting throttle, run and stop. Spark arresting screen is designed to reduce the risk of fire. 6 Coupling Sleeve...-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL one-cylinder, four-stroke engine with Spark Arresting Screen Muffler reduces exhaust noises and diverts exhaust gases away from... has been shown to the harness. 11 Slide Control For starting the engine. 5 Muffler with mixture lubrication KM 90 R 29
Product Instruction Manual
Page 34
...maintenance, N repairs improperly performed or replacements not conforming to the owner if it is determined that part. Choke (Cold Start Enrichment System) - Fuel Cap - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Fasteners Where to...first scheduled replacement point for that a warranted part is tested as non-defective, STIHL Incorporated will be performed at and after the first scheduled replacement point. 32 KM 90 R Magneto or Electronic Ignition System (Ignition Module) - Maintenance Requirements The maintenance...
...maintenance, N repairs improperly performed or replacements not conforming to the owner if it is determined that part. Choke (Cold Start Enrichment System) - Fuel Cap - Any manufacturer-approved or equivalent replacement part may require shorter maintenance intervals. Fasteners Where to...first scheduled replacement point for that a warranted part is tested as non-defective, STIHL Incorporated will be performed at and after the first scheduled replacement point. 32 KM 90 R Magneto or Electronic Ignition System (Ignition Module) - Maintenance Requirements The maintenance...
Product Instruction Manual
Page 35
...the Emission Control System Warranty on your 2007 and later small off -road equipment engine 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 (Ignition Module), Spark ...or modified parts will not be completed in California. KM 90 R 33 Owner's Warranty Responsibilities As the small off -road equipment engine owner, you are not exempted by STIHL Incorporated free of two years. Coverage by STIHL Incorporated at the time of warranted parts caused by...
...the Emission Control System Warranty on your 2007 and later small off -road equipment engine 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 (Ignition Module), Spark ...or modified parts will not be completed in California. KM 90 R 33 Owner's Warranty Responsibilities As the small off -road equipment engine owner, you are not exempted by STIHL Incorporated free of two years. Coverage by STIHL Incorporated at the time of warranted parts caused by...
Product Instruction Manual
Page 36
... 3. If the part fails prior to Subsection (4) below . 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), Spark Plug, Catalytic Converter (if applicable), Fuel ... in such written instructions to the owner. STIHL Incorporated is not scheduled for replacement as required maintenance in the Emission Warranty Parts List (see below ) must be warranted for warranty coverage. 34 KM 90 R That notwithstanding, any warranted part otherwise eligible...
... 3. If the part fails prior to Subsection (4) below . 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), Spark Plug, Catalytic Converter (if applicable), Fuel ... in such written instructions to the owner. STIHL Incorporated is not scheduled for replacement as required maintenance in the Emission Warranty Parts List (see below ) must be warranted for warranty coverage. 34 KM 90 R That notwithstanding, any warranted part otherwise eligible...