Product Instruction Manual
Page 3
...Fueling 14 Starting / Stopping the Engine 16 Operating Instructions 18 Cleaning the Air Filter 18 Engine Management 19 Adjusting the Carburetor 19 Spark Arresting Screen in Muffler 20 Spark Plug 21 Replacing the Starter Rope and Rewind Spring 22 Storing ...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 manuals ...
...Fueling 14 Starting / Stopping the Engine 16 Operating Instructions 18 Cleaning the Air Filter 18 Engine Management 19 Adjusting the Carburetor 19 Spark Arresting Screen in Muffler 20 Spark Plug 21 Replacing the Starter Rope and Rewind Spring 22 Storing ...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 manuals ...
Product Instruction Manual
Page 15
... fuel mixture of 50:1. Fuel with a manually adjustable carburetor and should not be run on the 4-stroke principle. The ethanol content in turn, increases the risk of more than 10% can cause running problems or even damage the engine. KM 90 R 13 Fuel This engine is completely and properly...89 (R+M/2) and no more than 10% ethanol content. 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 used in the full throttle, starting throttle and idle positions. N Use a suitable tool ...
... fuel mixture of 50:1. Fuel with a manually adjustable carburetor and should not be run on the 4-stroke principle. The ethanol content in turn, increases the risk of more than 10% can cause running problems or even damage the engine. KM 90 R 13 Fuel This engine is completely and properly...89 (R+M/2) and no more than 10% ethanol content. 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 used in the full throttle, starting throttle and idle positions. N Use a suitable tool ...
Product Instruction Manual
Page 19
...working tool is flooded. Stopping the engine N Push the slide control in the KombiTool instruction manual. KM 90 R 17 N Hold the unit with your left hand and press it might otherwise break. it ...and the engine settles down to disengage the starting throttle position. g if the engine is correctly adjusted. N Make sure you did not turn the choke knob to e quickly enough after the ...symbol (h) to e. When the engine begins to idle speed. 552BA016 KN English Make sure the carburetor is cold e for a short period. At very low outside temperatures: As soon as the engine...
...working tool is flooded. Stopping the engine N Push the slide control in the KombiTool instruction manual. KM 90 R 17 N Hold the unit with your left hand and press it might otherwise break. it ...and the engine settles down to disengage the starting throttle position. g if the engine is correctly adjusted. N Make sure you did not turn the choke knob to e quickly enough after the ...symbol (h) to e. When the engine begins to idle speed. 552BA016 KN English Make sure the carburetor is cold e for a short period. At very low outside temperatures: As soon as the engine...
Product Instruction Manual
Page 20
..., press the fuel pump bulb at idle speed so that engine heat can knock it out on "Adjusting the Throttle Cable". N Fit a new filter element. N Remove the spark plug - N Set the choke knob to 15... tank fillings. Throttle cable adjustment N Check adjustment of your hand or blow it down . even if the bulb is cold. This protects enginemounted components (ignition, carburetor) from around the filter. see "Spark Plug". N Replace damaged parts...period of full throttle operation, allow the engine to cool down firmly. 18 KM 90 R Do not wash.
..., press the fuel pump bulb at idle speed so that engine heat can knock it out on "Adjusting the Throttle Cable". N Fit a new filter element. N Remove the spark plug - N Set the choke knob to 15... tank fillings. Throttle cable adjustment N Check adjustment of your hand or blow it down . even if the bulb is cold. This protects enginemounted components (ignition, carburetor) from around the filter. see "Spark Plug". N Replace damaged parts...period of full throttle operation, allow the engine to cool down firmly. 18 KM 90 R Do not wash.
Product Instruction Manual
Page 21
... N Using the idle speed screw (LA), set the idle speed so that the working tool does not move Fine adjustment A marginal adjustment of the setting of any major hardware. KM 90 R 19 The carburetor has been adjusted for optimum performance and fuel efficiency in mountain country, at sea level or after changing working or cutting tool...
... N Using the idle speed screw (LA), set the idle speed so that the working tool does not move Fine adjustment A marginal adjustment of the setting of any major hardware. KM 90 R 19 The carburetor has been adjusted for optimum performance and fuel efficiency in mountain country, at sea level or after changing working or cutting tool...
Product Instruction Manual
Page 28
Complete machine Control handle Air filter Fuel pick-up body in fuel tank Fuel tank Carburetor Spark plug Intake port for longer than normal or under difficult cutting conditions (extensive dust, etc.). English Maintenance and Care ...faulty if damaged as required X X X X X X X X X X X X X X X X X KM 90 R The specified intervals must be shortened accordingly when working tool must not turn X X Set idle speed Set electrode gap replace after every 100 hours of operation Visual inspection X clean Check and adjust if necessary, one time after 139 hours of operation, by...
Complete machine Control handle Air filter Fuel pick-up body in fuel tank Fuel tank Carburetor Spark plug Intake port for longer than normal or under difficult cutting conditions (extensive dust, etc.). English Maintenance and Care ...faulty if damaged as required X X X X X X X X X X X X X X X X X KM 90 R The specified intervals must be shortened accordingly when working tool must not turn X X Set idle speed Set electrode gap replace after every 100 hours of operation Visual inspection X clean Check and adjust if necessary, one time after 139 hours of operation, by...
Product Instruction Manual
Page 30
English Main Parts 8 69 7 3 4 2 5 1 # 10 11 12 13 14 15 16 17 18 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Fuel Pump 4 Starter Grip 5 Muffler with Spark Arresting Screen 6 Coupling Sleeve 7 Wing Screw 8 Loop Handle 9 Barrier Bar 10 Carrying Ring 11 Slide Control 12 Throttle Trigger Lockout 13 Throttle Trigger 14 Spark Plug Boot 15 Choke Knob 16 Air Filter Cover 17 Fuel Tank 18 Machine Support # Serial Number 463BA004 KN 28 KM 90 R
English Main Parts 8 69 7 3 4 2 5 1 # 10 11 12 13 14 15 16 17 18 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Fuel Pump 4 Starter Grip 5 Muffler with Spark Arresting Screen 6 Coupling Sleeve 7 Wing Screw 8 Loop Handle 9 Barrier Bar 10 Carrying Ring 11 Slide Control 12 Throttle Trigger Lockout 13 Throttle Trigger 14 Spark Plug Boot 15 Choke Knob 16 Air Filter Cover 17 Fuel Tank 18 Machine Support # Serial Number 463BA004 KN 28 KM 90 R
Product Instruction Manual
Page 31
... = 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 operator. Definitions 1 Fuel Filler Cap For closing the fuel tank. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Fuel Pump Provides additional fuel feed for a cold...
... = 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 operator. Definitions 1 Fuel Filler Cap For closing the fuel tank. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Fuel Pump Provides additional fuel feed for a cold...
Product Instruction Manual
Page 34
...Ignition Module) - Fuel Tank - Clamps - Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 32 KM 90 R Catalytic Converter (if applicable) - Fuel Cap - Any...Carburetor - Fuel Pump - Choke (Cold Start Enrichment System) - Spark Plug - Fasteners Where to other engine components caused by STIHL Incorporated, and N replacement of the following list specifically defines the emission-related warranted parts: - Limitations This Emission Control Systems Warranty shall not cover any of parts and other services and adjustments...
...Ignition Module) - Fuel Tank - Clamps - Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. 32 KM 90 R Catalytic Converter (if applicable) - Fuel Cap - Any...Carburetor - Fuel Pump - Choke (Cold Start Enrichment System) - Spark Plug - Fasteners Where to other engine components caused by STIHL Incorporated, and N replacement of the following list specifically defines the emission-related warranted parts: - Limitations This Emission Control Systems Warranty shall not cover any of parts and other services and adjustments...
Product Instruction Manual
Page 36
... has a factory installed, and properly operating, adjustment limiting device is liable for damages to other engine components caused by the failure of Subsection (4) above . STIHL Incorporated is still eligible for warranty coverage. 34 KM 90 R Any warranted part that such abuse, neglect... the owner. 5. Limitations The repair or replacement of "repair or replace as follows: 1. 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...
... has a factory installed, and properly operating, adjustment limiting device is liable for damages to other engine components caused by the failure of Subsection (4) above . STIHL Incorporated is still eligible for warranty coverage. 34 KM 90 R Any warranted part that such abuse, neglect... the owner. 5. Limitations The repair or replacement of "repair or replace as follows: 1. 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...