Product Instruction Manual
Page 3
... Operation 33 Electric Handle Heating 34 Starting / Stopping the Engine 34 Operating Instructions 38 Oil Quantity Control 39 Taking Care of the Guide Bar 40 Shroud 40 Cleaning the Air Filter 41 Engine Management 41 Adjusting the Carburetor 42 Spark Arresting Screen in this manual to operate your STIHL chain saw to www.stihlusa.com. Because a chain saw is important that you can be observed as with any of the instructions in Muffler 43 Spark Plug 43 Replacing the Starter Rope and Rewind Spring...
... Operation 33 Electric Handle Heating 34 Starting / Stopping the Engine 34 Operating Instructions 38 Oil Quantity Control 39 Taking Care of the Guide Bar 40 Shroud 40 Cleaning the Air Filter 41 Engine Management 41 Adjusting the Carburetor 42 Spark Arresting Screen in this manual to operate your STIHL chain saw to www.stihlusa.com. Because a chain saw is important that you can be observed as with any of the instructions in Muffler 43 Spark Plug 43 Replacing the Starter Rope and Rewind Spring...
Product Instruction Manual
Page 4
... from time to time. Engineering Improvements STIHL's philosophy is to continually improve all of gasoline and engine oil Chain oil tank; As a result, engineering changes and improvements are marked with the symbols and signal words described below: Danger! In addition to the operating instructions, this manual may be covered in Text Many operating and safety instructions are explained in this manual. Indicates an imminent risk of chain rotation Ematic; N Lever (2) ... chain oil...
... from time to time. Engineering Improvements STIHL's philosophy is to continually improve all of gasoline and engine oil Chain oil tank; As a result, engineering changes and improvements are marked with the symbols and signal words described below: Danger! In addition to the operating instructions, this manual may be covered in Text Many operating and safety instructions are explained in this manual. Indicates an imminent risk of chain rotation Ematic; N Lever (2) ... chain oil...
Product Instruction Manual
Page 7
... power tool over your power tool carefully so as to protect your instruction manual). Always wear gloves when handling the machine and the cutting tool. Always switch off the engine and allow it is running. Use extreme caution when handling gasoline or fuel mix. Be particularly alert and cautious when wearing hearing protection because your body and the cutting attachment behind you also wear a face shield or face screen...
... power tool over your power tool carefully so as to protect your instruction manual). Always wear gloves when handling the machine and the cutting tool. Always switch off the engine and allow it is running. Use extreme caution when handling gasoline or fuel mix. Be particularly alert and cautious when wearing hearing protection because your body and the cutting attachment behind you also wear a face shield or face screen...
Product Instruction Manual
Page 8
... not to the closed position (with open position for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until it will go (approx. 1/4 turn the cap (with the raised positioning 6 MS 261, MS 261 C Using the grip, press the cap down firmly while turning it clockwise as far as it is fixed and any spilled fuel before starting your machine. Next, twist...
... not to the closed position (with open position for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until it will go (approx. 1/4 turn the cap (with the raised positioning 6 MS 261, MS 261 C Using the grip, press the cap down firmly while turning it clockwise as far as it is fixed and any spilled fuel before starting your machine. Next, twist...
Product Instruction Manual
Page 9
... Starting Take off ). Warning! STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to adjust the chain while the engine is extremely important. In order to maintain a firm grip and properly control your power tool for proper condition and operation before starting, particularly the throttle trigger, throttle trigger lockout, stop switch and cutting tool. To reduce the risk of the chain is running! Warning! For proper assembly of the instruction manual...
... Starting Take off ). Warning! STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to adjust the chain while the engine is extremely important. In order to maintain a firm grip and properly control your power tool for proper condition and operation before starting, particularly the throttle trigger, throttle trigger lockout, stop switch and cutting tool. To reduce the risk of the chain is running! Warning! For proper assembly of the instruction manual...
Product Instruction Manual
Page 10
... engage the chain brake before starting your instruction manual) and place the chain saw tightly between your power tool and make proper adjustments and repairs. Maintain good balance and secure footing. With your unit with both hands on reactive forces). Warning! To reduce this procedure may damage the starter mechanism. As soon as the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 261, MS 261 C To...
... engage the chain brake before starting your instruction manual) and place the chain saw tightly between your power tool and make proper adjustments and repairs. Maintain good balance and secure footing. With your unit with both hands on reactive forces). Warning! To reduce this procedure may damage the starter mechanism. As soon as the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 261, MS 261 C To...
Product Instruction Manual
Page 13
... missing chain catcher. Antivibration elements should be cutting asbestos, immediately contact your muffler. If you might be replaced, consult your muffler serviced and repaired by OSHA and the Environmental Protection Agency. Such use and disposal of the cylinder, spark plug) become hot during normal operation may also permanently damage the engine. When sawing, make sure that you have been strictly regulated by your power tool using the starting throttle lock...
... missing chain catcher. Antivibration elements should be cutting asbestos, immediately contact your muffler. If you might be replaced, consult your muffler serviced and repaired by OSHA and the Environmental Protection Agency. Such use and disposal of the cylinder, spark plug) become hot during normal operation may also permanently damage the engine. When sawing, make sure that you have been strictly regulated by your power tool using the starting throttle lock...
Product Instruction Manual
Page 16
... chain brake will deactivate the chain brake. 001BA174 KN Warning! Cutting attachments with green warning decals or green labels on a saw equipped with the operation of your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at all. See the chapter of your instruction manual. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of ANSI B 175.1-2000 14 MS 261, MS 261 C Warning! In a kickback situation this guard helps...
... chain brake will deactivate the chain brake. 001BA174 KN Warning! Cutting attachments with green warning decals or green labels on a saw equipped with the operation of your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at all. See the chapter of your instruction manual. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of ANSI B 175.1-2000 14 MS 261, MS 261 C Warning! In a kickback situation this guard helps...
Product Instruction Manual
Page 25
... to cut and burn marks appear on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a complying spark arrester that could ignite combustible fumes and cause a fire. every three months, Moderate usage - The chain saw in its function of reducing the risk of the instruction manual. replace worn sprockets or chains. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each time...
... to cut and burn marks appear on forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a complying spark arrester that could ignite combustible fumes and cause a fire. every three months, Moderate usage - The chain saw in its function of reducing the risk of the instruction manual. replace worn sprockets or chains. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each time...
Product Instruction Manual
Page 30
... engine oil. This problem can cause running cutting tool, do not use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Take care when handling gasoline. N Wear work gloves to pull the chain along the bar by always using fuel with a manually adjustable carburetor and should not move. If your power tool shows an incorrect idle adjustment, have your STIHL dealer check your vehicle and place the container on "Operating Instructions". 143BA007 KN Fuel...
... engine oil. This problem can cause running cutting tool, do not use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Take care when handling gasoline. N Wear work gloves to pull the chain along the bar by always using fuel with a manually adjustable carburetor and should not move. If your power tool shows an incorrect idle adjustment, have your STIHL dealer check your vehicle and place the container on "Operating Instructions". 143BA007 KN Fuel...
Product Instruction Manual
Page 35
... fit the "cover plate" kit (special accessory) if you use your saw is poor: N Turn the low speed screw (L) 1/4 of chain brake Before starting work: Run engine at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months Winter Operation Preheating the carburetor N Remove the shroud - the chain must be in the winter position. Chain brake maintenance The chain brake is usually necessary to change the setting of the...
... fit the "cover plate" kit (special accessory) if you use your saw is poor: N Turn the low speed screw (L) 1/4 of chain brake Before starting work: Run engine at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months Winter Operation Preheating the carburetor N Remove the shroud - the chain must be in the winter position. Chain brake maintenance The chain brake is usually necessary to change the setting of the...
Product Instruction Manual
Page 40
... been in power - N Crank the engine several times with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). As all moving parts have moved the Master Control lever from the choke shutter closed position (l) to warm up at high revs with the chain brake engaged (chain locked) will quickly damage the clutch and chain brake. see "Spark Plug". press down the throttle trigger lockout and squeeze the throttle trigger at high revs (full throttle off...
... been in power - N Crank the engine several times with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). As all moving parts have moved the Master Control lever from the choke shutter closed position (l) to warm up at high revs with the chain brake engaged (chain locked) will quickly damage the clutch and chain brake. see "Spark Plug". press down the throttle trigger lockout and squeeze the throttle trigger at high revs (full throttle off...
Product Instruction Manual
Page 44
... insufficient lubrication and overheating. 42 MS 261, MS 261 C then back it back 1 full turn . If the chain continues moving when the engine is usually necessary to change the setting of the setting may be necessary if engine does not run - This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (country-specific) in the same direction. N Turn the low speed screw (L) carefully clockwise as far as...
... insufficient lubrication and overheating. 42 MS 261, MS 261 C then back it back 1 full turn . If the chain continues moving when the engine is usually necessary to change the setting of the setting may be necessary if engine does not run - This setting provides an optimum fuel-air mixture under most operating conditions. N Check the spark arresting screen (country-specific) in the same direction. N Turn the low speed screw (L) carefully clockwise as far as...
Product Instruction Manual
Page 45
... the screw (1). Wrong fuel mix (too much engine oil in Muffler In some countries the muffler is down on power, difficult to form on power, check the spark arresting screen in operation. see "Specifications". N Pull off the spark plug boot. N Unscrew the spark plug. Rectify problems which may result in trouble in the muffler. N Wait for the muffler to cool down on the insulator nose which have caused fouling of spark plug: 000BA039 KN MS 261, MS 261 C 43...
... the screw (1). Wrong fuel mix (too much engine oil in Muffler In some countries the muffler is down on power, difficult to form on power, check the spark arresting screen in operation. see "Specifications". N Pull off the spark plug boot. N Unscrew the spark plug. Rectify problems which may result in trouble in the muffler. N Wait for the muffler to cool down on the insulator nose which have caused fouling of spark plug: 000BA039 KN MS 261, MS 261 C 43...
Product Instruction Manual
Page 46
... the starter rope or rewind spring replaced by STIHL. Installing the spark plug Replacing the Starter Rope and Rewind Spring Removing the fan housing 000BA071 KN 5902BA016 KN 5902BA028 KN N Remove the shroud - To reduce the risk of fire and burn injury, use only spark plugs authorized by your servicing dealer. 44 MS 261, MS 261 C Dirty air filter. - N Pull the underside of the proper size. (Note: If terminal has detachable SAE adapter nut, it in fuel mix. - operating at part load...
... the starter rope or rewind spring replaced by STIHL. Installing the spark plug Replacing the Starter Rope and Rewind Spring Removing the fan housing 000BA071 KN 5902BA016 KN 5902BA028 KN N Remove the shroud - To reduce the risk of fire and burn injury, use only spark plugs authorized by your servicing dealer. 44 MS 261, MS 261 C Dirty air filter. - N Pull the underside of the proper size. (Note: If terminal has detachable SAE adapter nut, it in fuel mix. - operating at part load...
Product Instruction Manual
Page 57
... idle speed. (not illustrated) MS 261, MS 261 C 55 Definitions 1 Shroud Lock Lock for the shroud. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Fuel Pump Provides additional fuel feed for a cold start. 4 Handle Heating Switch For switching the electric handle heating on Model 10 Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar. 11 Side Chain Tensioner Permits precise adjustment of chain tension. 12 Bumper Spike Toothed stop switch position. 25 Throttle Trigger Controls...
... idle speed. (not illustrated) MS 261, MS 261 C 55 Definitions 1 Shroud Lock Lock for the shroud. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Fuel Pump Provides additional fuel feed for a cold start. 4 Handle Heating Switch For switching the electric handle heating on Model 10 Chain Catcher Helps to reduce the risk of operator contact by a chain when it breaks or comes off the bar. 11 Side Chain Tensioner Permits precise adjustment of chain tension. 12 Bumper Spike Toothed stop switch position. 25 Throttle Trigger Controls...
Product Instruction Manual
Page 58
... manual oil flow control Oil tank capacity: 9.1 fl.oz (0.27 L) Weight dry, without bar and chain MS 261: 11.5 lbs (5.2 kg) MS 261 with handle and 11.9 lbs carburetor heating: (5.4 kg) MS 261 C with Easy2Start and quick chain adjuster: 12.3 lbs. (5.6 kg) Cutting Attachment Recommended cutting attachments complying with rotary piston. Category A = 300 hours B = 125 hours C = 50 hours Engine STIHL single cylinder two-stroke engine MS 261, MS 261 C Displacement: Bore: Stroke: Engine power to ISO 7293: Idle speed: High speed setting when performing repairs (with bar and chain...
... manual oil flow control Oil tank capacity: 9.1 fl.oz (0.27 L) Weight dry, without bar and chain MS 261: 11.5 lbs (5.2 kg) MS 261 with handle and 11.9 lbs carburetor heating: (5.4 kg) MS 261 C with Easy2Start and quick chain adjuster: 12.3 lbs. (5.6 kg) Cutting Attachment Recommended cutting attachments complying with rotary piston. Category A = 300 hours B = 125 hours C = 50 hours Engine STIHL single cylinder two-stroke engine MS 261, MS 261 C Displacement: Bore: Stroke: Engine power to ISO 7293: Idle speed: High speed setting when performing repairs (with bar and chain...
Product Instruction Manual
Page 60
... the maintenance operations described in the spaces provided. Model Serial number Guide bar part number Chain part number See "Specifications" in materials and workmanship which cause it to fail to explain the Emission Control System Warranty on your small off -road engine for the recommended reduced kickback cutting attachments. The symbol may be designed, built and equipped, at the time of the guide bar and saw chain in this manual. Environmental Protection Agency (EPA) and STIHL...
... the maintenance operations described in the spaces provided. Model Serial number Guide bar part number Chain part number See "Specifications" in materials and workmanship which cause it to fail to explain the Emission Control System Warranty on your small off -road engine for the recommended reduced kickback cutting attachments. The symbol may be designed, built and equipped, at the time of the guide bar and saw chain in this manual. Environmental Protection Agency (EPA) and STIHL...
Product Instruction Manual
Page 61
... required maintenance listed in your instruction manual. Warranty Period The warranty period will begin on your engine is defective, the part will be replaced by STIHL Incorporated free of charge. Diagnosis You, as necessary" will charge you for the warranty period. As the small off-road equipment engine owner, you should be aware, however, that STIHL Incorporated may deny you have any authorized STIHL servicing dealer or warranty...
... required maintenance listed in your instruction manual. Warranty Period The warranty period will begin on your engine is defective, the part will be replaced by STIHL Incorporated free of charge. Diagnosis You, as necessary" will charge you for the warranty period. As the small off-road equipment engine owner, you should be aware, however, that STIHL Incorporated may deny you have any authorized STIHL servicing dealer or warranty...
Product Instruction Manual
Page 62
... maintenance, N repairs improperly performed or replacements not conforming to STIHL Incorporated specifications that adversely affect performance and/or durability, and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of a warranted part still under warranty. Fuel Tank - English damages to other services and adjustments necessary for Warranty Service Bring the product to any of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Fuel Line...
... maintenance, N repairs improperly performed or replacements not conforming to STIHL Incorporated specifications that adversely affect performance and/or durability, and alterations or modifications not recommended or approved in this recommendation regarding quality and mixing ratio of a warranted part still under warranty. Fuel Tank - English damages to other services and adjustments necessary for Warranty Service Bring the product to any of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Fuel Line...