Product Instruction Manual
Page 3
... Fueling 12 Starting / Stopping the Engine 13 Operating Instructions 15 Replacing the Air Filter 15 Engine Management 16 Adjusting the Carburetor 16 Spark Arresting Screen in the two manuals. WARNING Because this power tool combination. Contact your STIHL dealer or the STIHL distributor for a high-speed power tool, some special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. VA1.K16. 0000007504_002_GB { KM 91...
... Fueling 12 Starting / Stopping the Engine 13 Operating Instructions 15 Replacing the Air Filter 15 Engine Management 16 Adjusting the Carburetor 16 Spark Arresting Screen in the two manuals. WARNING Because this power tool combination. Contact your STIHL dealer or the STIHL distributor for a high-speed power tool, some special safety precautions must be recycled. Careless or improper use may cause serious or even fatal injury. © ANDREAS STIHL AG & Co. VA1.K16. 0000007504_002_GB { KM 91...
Product Instruction Manual
Page 4
... separate instruction manuals for the KombiEngine and KombiTool should be combined to or embossed on your machine. Guide to Using this Manual Pictograms The meanings of the pictograms attached to produce a power tool. In addition to operate manual fuel pump DANGER Indicates a hazardous situation that appear in a safe place for gasoline and engine oil mixture Press to as the power tool. English KombiSystem In the STIHL KombiSystem a number of...
... separate instruction manuals for the KombiEngine and KombiTool should be combined to or embossed on your machine. Guide to Using this Manual Pictograms The meanings of the pictograms attached to produce a power tool. In addition to operate manual fuel pump DANGER Indicates a hazardous situation that appear in a safe place for gasoline and engine oil mixture Press to as the power tool. English KombiSystem In the STIHL KombiSystem a number of...
Product Instruction Manual
Page 7
... operator. Use extreme caution when handling gasoline or fuel mix. Although certain unauthorized attachments are working tool has stopped before continuing work. THE USE OF THE POWER TOOL Transporting the Power Tool WARNING Always switch off the engine and allow any way. When transporting your clothing. If spilled and ignited by STIHL for fuel leakage while refueling and during operation. If this happens, change your machine. Never remove the fuel filler cap...
... operator. Use extreme caution when handling gasoline or fuel mix. Although certain unauthorized attachments are working tool has stopped before continuing work. THE USE OF THE POWER TOOL Transporting the Power Tool WARNING Always switch off the engine and allow any way. When transporting your clothing. If spilled and ignited by STIHL for fuel leakage while refueling and during operation. If this happens, change your machine. Never remove the fuel filler cap...
Product Instruction Manual
Page 8
... visible parts, e.g., filler cap, hose connections, manual fuel pump (only for additional information. WARNING Your power tool is securely mounted on Starting in an open area. See also the safety precautions on the spark plug - a loose boot may result in your KombiEngine and KombiTool manuals. For specific starting throttle and allow other solid surface in the instruction manual of you pull the starter grip, do not use a power tool with incorrect idle adjustment...
... visible parts, e.g., filler cap, hose connections, manual fuel pump (only for additional information. WARNING Your power tool is securely mounted on Starting in an open area. See also the safety precautions on the spark plug - a loose boot may result in your KombiEngine and KombiTool manuals. For specific starting throttle and allow other solid surface in the instruction manual of you pull the starter grip, do not use a power tool with incorrect idle adjustment...
Product Instruction Manual
Page 9
... problems, cancer, birth defects, or other illnesses. Operate it under good visibility and daylight conditions only. You may be substantially controlled, i.e., kept at the source where possible. Remove excess lubricant and all debris such as mold or pollen, can cause susceptible persons to adjust idle speed, see the appropriate section of the engine speed. Operating Instructions WARNING Do not operate your power tool using the starting throttle lock...
... problems, cancer, birth defects, or other illnesses. Operate it under good visibility and daylight conditions only. You may be substantially controlled, i.e., kept at the source where possible. Remove excess lubricant and all debris such as mold or pollen, can cause susceptible persons to adjust idle speed, see the appropriate section of the engine speed. Operating Instructions WARNING Do not operate your power tool using the starting throttle lock...
Product Instruction Manual
Page 10
Never operate your unit with the cooling process of these manuals. See the "Maintenance, Repair and Storing" section of the muffler. However, if you suspect a clogged screen, have your gas/oil mix ratio is furnished with a spark arresting screen designed to idle or is shut off. Always press spark plug boot snugly onto spark plug terminal of performance and you make a warranty claim for certain uses. If your muffler maintained by...
Never operate your unit with the cooling process of these manuals. See the "Maintenance, Repair and Storing" section of the muffler. However, if you suspect a clogged screen, have your gas/oil mix ratio is furnished with a spark arresting screen designed to idle or is shut off. Always press spark plug boot snugly onto spark plug terminal of performance and you make a warranty claim for certain uses. If your muffler maintained by...
Product Instruction Manual
Page 11
...-KM FCB-KM FCS-KM KB-KM KW-KM Application Brushcutter with mowing head Brushcutter with grass cutting blade Brushcutter with mowing head Long reach hedge trimmer, adjustable Long reach hedge trimmer Power scythe Blower Pole pruner Cultivator with pick tines Redefining bed edges Lawn edging Lawn edging Bristle brush PowerSweep 1) the barrier bar on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with the machine must be used...
...-KM FCB-KM FCS-KM KB-KM KW-KM Application Brushcutter with mowing head Brushcutter with grass cutting blade Brushcutter with mowing head Long reach hedge trimmer, adjustable Long reach hedge trimmer Power scythe Blower Pole pruner Cultivator with pick tines Redefining bed edges Lawn edging Lawn edging Bristle brush PowerSweep 1) the barrier bar on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with the machine must be used...
Product Instruction Manual
Page 13
.... 002BA655 KN Fuel This engine is incorrectly adjusted, have your authorized STIHL servicing dealer check your power tool´s idle speed is certified to use only quality unleaded gasoline! it another fuel with a certain ethanol content to another half turn , increases the risk of highquality gasoline and two-stroke air cooled engine oil. STIHL 2-cycle engine oils are for STIHL engines. KM 91 R 11 Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc...
.... 002BA655 KN Fuel This engine is incorrectly adjusted, have your authorized STIHL servicing dealer check your power tool´s idle speed is certified to use only quality unleaded gasoline! it another fuel with a certain ethanol content to another half turn , increases the risk of highquality gasoline and two-stroke air cooled engine oil. STIHL 2-cycle engine oils are for STIHL engines. KM 91 R 11 Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc...
Product Instruction Manual
Page 16
... be under acceleration. N Check that the spark plug boot is now ready for operation. NOTICE Do not stand or kneel on Starting Engine stalls in warm start position g or under the fan housing. N Pull the starter grip slowly until the engine runs. After a cold start N Check that the starter rope can rewind properly. Stopping the Engine N Depress the momentary contact stop switch - release the stop switch - N Repeat the starting procedure. N Do...
... be under acceleration. N Check that the spark plug boot is now ready for operation. NOTICE Do not stand or kneel on Starting Engine stalls in warm start position g or under the fan housing. N Pull the starter grip slowly until the engine runs. After a cold start N Check that the starter rope can rewind properly. Stopping the Engine N Depress the momentary contact stop switch - release the stop switch - N Repeat the starting procedure. N Do...
Product Instruction Manual
Page 17
This avoids unnecessary high loads during this period. even if the bulb is already filled with fuel. Operating Instructions During break-in period. If there is a noticeable loss of ignition, until you need it again. N Insert the screws (1) and tighten them down . KM 91 R 15 As all moving parts have an average life of power. The engine develops its maximum power after about 5 to bed...
This avoids unnecessary high loads during this period. even if the bulb is already filled with fuel. Operating Instructions During break-in period. If there is a noticeable loss of ignition, until you need it again. N Insert the screws (1) and tighten them down . KM 91 R 15 As all moving parts have an average life of power. The engine develops its maximum power after about 5 to bed...
Product Instruction Manual
Page 18
..., ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. N Turn the idle speed screw (LA) slowly clockwise until the cutting attachment stops running and then turn in the muffler. N Lift the spark arresting screen (5) and pull it down firmly. 16 KM 91 R N Clean the spark arresting screen (5). N Wait for about another 1/2 to provide an optimum fuel-air mixture under most operating conditions. the attachment must not run when the engine is idling N Turn...
..., ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. N Turn the idle speed screw (LA) slowly clockwise until the cutting attachment stops running and then turn in the muffler. N Lift the spark arresting screen (5) and pull it down firmly. 16 KM 91 R N Clean the spark arresting screen (5). N Wait for about another 1/2 to provide an optimum fuel-air mixture under most operating conditions. the attachment must not run when the engine is idling N Turn...
Product Instruction Manual
Page 19
... the spark plug (3) with the combination wrench. Rectify problems which may occur that could ignite combustible fumes and cause a fire. KM 91 R 17 too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. N Tighten down on the insulator nose which have caused fouling of the spark plug. N Pull off the spark plug boot (2). operating at idling speed, first check the spark plug. This can result in fuel mix, - The wrong fuel mix...
... the spark plug (3) with the combination wrench. Rectify problems which may occur that could ignite combustible fumes and cause a fire. KM 91 R 17 too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. N Tighten down on the insulator nose which have caused fouling of the spark plug. N Pull off the spark plug boot (2). operating at idling speed, first check the spark plug. This can result in fuel mix, - The wrong fuel mix...
Product Instruction Manual
Page 21
... if problem if damaged as required Complete machine Control handle Air filter Manual fuel pump (if fitted) Pickup body in fuel tank Fuel tank Carburetor Spark plug Cooling inlet Cylinder fins Valve clearance Spark arresting screen in muffler Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Replace1) Check X Have repaired by servicing dealer2) Have checked by servicing dealer2) Have replaced by servicing dealer2) Check X Clean or replace KM 91 R X X X X X X X X X X X X X X X X X X X 19...
... if problem if damaged as required Complete machine Control handle Air filter Manual fuel pump (if fitted) Pickup body in fuel tank Fuel tank Carburetor Spark plug Cooling inlet Cylinder fins Valve clearance Spark arresting screen in muffler Visual inspection (condition, leaks) X X Clean X Replace any damaged parts X Check operation X X Visual inspection Replace1) Check X Have repaired by servicing dealer2) Have checked by servicing dealer2) Have replaced by servicing dealer2) Check X Clean or replace KM 91 R X X X X X X X X X X X X X X X X X X X 19...
Product Instruction Manual
Page 23
Main Parts 10 8 11 9 45 23 1 6 # 7 12 13 14 15 16 17 188 English 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Coupling Sleeve 9 Wing Screw 10 Loop Handle 11 Barrier Bar 12 Carrying Ring 13 Stop Switch 14 Throttle Trigger Lockout 15 Throttle Trigger 16 Choke Knob 17 Air Filter Cover 18 Fuel Tank # Serial Number 0000-GXX-0497-A0 KM 91 R 21
Main Parts 10 8 11 9 45 23 1 6 # 7 12 13 14 15 16 17 188 English 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Coupling Sleeve 9 Wing Screw 10 Loop Handle 11 Barrier Bar 12 Carrying Ring 13 Stop Switch 14 Throttle Trigger Lockout 15 Throttle Trigger 16 Choke Knob 17 Air Filter Cover 18 Fuel Tank # Serial Number 0000-GXX-0497-A0 KM 91 R 21
Product Instruction Manual
Page 24
... Throttle Trigger Controls the speed of operating hours for a cold start. 5 Cover Covers and protects the spark plug. 6 Muffler with mixture lubrication KM 91 R Displacement: Bore: Stroke: 28.4 cc (1.73 cu.in) 38 mm (1.5 in) 25 mm (0.98 in) 22 KM 91 R Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the number of the engine. 16 Choke Knob Eases engine starting the engine. 4 Manual Fuel Pump Provides...
... Throttle Trigger Controls the speed of operating hours for a cold start. 5 Cover Covers and protects the spark plug. 6 Muffler with mixture lubrication KM 91 R Displacement: Bore: Stroke: 28.4 cc (1.73 cu.in) 38 mm (1.5 in) 25 mm (0.98 in) 22 KM 91 R Category A = 300 hours B = 125 hours C = 50 hours CARB The Emission Compliance Period used on the Emissions Compliance Label indicates the number of the engine. 16 Choke Knob Eases engine starting the engine. 4 Manual Fuel Pump Provides...
Product Instruction Manual
Page 25
Engine power to ISO 0.95 kW 8893: (1.3 bhp) at 7,000 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 9,500 rpm Valve clearance Inlet valve: 0.10 mm (0.004 in) Exhaust valve: 0.10 mm (0.004 in) Ignition System Electronic magneto ignition Spark plug (resistor type): NKG CMR 6H Electrode gap: 0.5 mm (0.02 in) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 0.71 l (24 fl.oz) Weight English Maintenance and Repairs Disposal Users of...
Engine power to ISO 0.95 kW 8893: (1.3 bhp) at 7,000 rpm Idle speed: 2,800 rpm Cut-off speed (rated): 9,500 rpm Valve clearance Inlet valve: 0.10 mm (0.004 in) Exhaust valve: 0.10 mm (0.004 in) Ignition System Electronic magneto ignition Spark plug (resistor type): NKG CMR 6H Electrode gap: 0.5 mm (0.02 in) Fuel System All position diaphragm carburetor with integral fuel pump Fuel tank capacity: 0.71 l (24 fl.oz) Weight English Maintenance and Repairs Disposal Users of...
Product Instruction Manual
Page 26
new 1997 and later model year small off -road equipment engine owner, you can write to the ultimate purchaser. Owner's Warranty Responsibilities As the small off -road equipment engines must be warranted 24 KM 91 R STIHL Incorporated recommends that your engine is defective, the part will be free from the date of sale to STIHL Inc., 536 Viking Drive, P.O. Box 2015, Virginia Beach, VA 23450-2015...
new 1997 and later model year small off -road equipment engine owner, you can write to the ultimate purchaser. Owner's Warranty Responsibilities As the small off -road equipment engines must be warranted 24 KM 91 R STIHL Incorporated recommends that your engine is defective, the part will be free from the date of sale to STIHL Inc., 536 Viking Drive, P.O. Box 2015, Virginia Beach, VA 23450-2015...
Product Instruction Manual
Page 27
... the following list specifically defines the emission-related warranted parts: - KM 91 R 25 Throttle Housing (if applicable) - It can also be free of the emission test. Choke (Cold Start Enrichment System) (if applicable) - Spark Plug - Injection Valve (if applicable) - Fuel Tank - Emission test may require shorter maintenance intervals. Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. Fuel Pump - Solenoid Valve (if applicable) - Cylinder - Fuel Cap - Air Filter - Fasteners Where...
... the following list specifically defines the emission-related warranted parts: - KM 91 R 25 Throttle Housing (if applicable) - It can also be free of the emission test. Choke (Cold Start Enrichment System) (if applicable) - Spark Plug - Injection Valve (if applicable) - Fuel Tank - Emission test may require shorter maintenance intervals. Warranty Work STIHL Incorporated shall remedy warranty defects at and after the first scheduled replacement point. Fuel Pump - Solenoid Valve (if applicable) - Cylinder - Fuel Cap - Air Filter - Fasteners Where...
Product Instruction Manual
Page 28
... modified part. 26 KM 91 R English STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to STIHL Inc., 536 Viking Drive, P.O. www.stihlusa.com Coverage by the use of any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at the time of...
... modified part. 26 KM 91 R English STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement For California only Your Warranty Rights and Obligations The California Air Resources Board (CARB) and STIHL Incorporated are pleased to STIHL Inc., 536 Viking Drive, P.O. www.stihlusa.com Coverage by the use of any questions regarding your warranty rights and responsibilities, please contact a STIHL customer service representative at the time of...
Product Instruction Manual
Page 29
... Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. That notwithstanding, any warranted part under warranty. KM 91...
... Warranty Parts List Air Filter, Carburetor (if applicable), Fuel Pump, Choke (Cold Start Enrichment System) (if applicable), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module or Electronic Control Unit), Fly Wheel, Spark Plug, Solenoid Valve (if applicable), Injection Valve (if applicable), Injection Pump (if applicable), Throttle Housing (if applicable), Cylinder, Muffler, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners. That notwithstanding, any warranted part under warranty. KM 91...
