Instruction Manual
Page 3
...can go to www.stihlusa.com. Careless or improper use may cause serious or even fatal injury. Guide to Using this Manual 2 Safety Precautions and Working Techniques 3 Cutting Attachment 25 Mounting the Bar and Chain 26 Tensioning the Chain 27 Checking Chain ... 45 Maintaining and Sharpening the Saw Chain 46 Maintenance and Care 50 Main Parts 52 { MS 271, MS 271 C, MS 291, MS 291 C Specifications Ordering Spare Parts Maintenance and Repairs Disposal STIHL Incorporated Federal Emission Control Warranty Statement Trademarks 54 Allow only persons who fully understand 55 this...
...can go to www.stihlusa.com. Careless or improper use may cause serious or even fatal injury. Guide to Using this Manual 2 Safety Precautions and Working Techniques 3 Cutting Attachment 25 Mounting the Bar and Chain 26 Tensioning the Chain 27 Checking Chain ... 45 Maintaining and Sharpening the Saw Chain 46 Maintenance and Care 50 Main Parts 52 { MS 271, MS 271 C, MS 291, MS 291 C Specifications Ordering Spare Parts Maintenance and Repairs Disposal STIHL Incorporated Federal Emission Control Warranty Statement Trademarks 54 Allow only persons who fully understand 55 this...
Instruction Manual
Page 4
chain oil Engaging and disengaging the STIHL Quickstop chain brake Direction of gasoline and engine oil Chain oil tank; chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for assistance. 2 MS 271, MS 271 C, MS 291, MS 291 C A description of property damage, including damage ...to or embossed on your special attention. fuel mixture of chain rotation Ematic; In addition to the operating instructions, this manual may contain item numbers that require your machine. NOTICE Indicates a risk of a step or procedure that refers directly to...
chain oil Engaging and disengaging the STIHL Quickstop chain brake Direction of gasoline and engine oil Chain oil tank; chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for assistance. 2 MS 271, MS 271 C, MS 291, MS 291 C A description of property damage, including damage ...to or embossed on your special attention. fuel mixture of chain rotation Ematic; In addition to the operating instructions, this manual may contain item numbers that require your machine. NOTICE Indicates a risk of a step or procedure that refers directly to...
Instruction Manual
Page 5
... purposes, since misuse may cause serious or fatal injury. Pay special attention to the use of your instruction manual for cutting wooden objects. Observe all STIHL chain saws. WARNING Do not lend or rent your chain saw only for a description of the controls and... should never be allowed to match your model and meet your model. They are specifically designed to use of Federal Regulations 1910.266. MS 271, MS 271 C, MS 291, MS 291 C 3 WARNING Reactive forces, including kickback, can be aggravated by national, state or local regulations. Be sure that are fatigued....
... purposes, since misuse may cause serious or fatal injury. Pay special attention to the use of your instruction manual for cutting wooden objects. Observe all STIHL chain saws. WARNING Do not lend or rent your chain saw only for a description of the controls and... should never be allowed to match your model and meet your model. They are specifically designed to use of Federal Regulations 1910.266. MS 271, MS 271 C, MS 291, MS 291 C 3 WARNING Reactive forces, including kickback, can be aggravated by national, state or local regulations. Be sure that are fatigued....
Instruction Manual
Page 8
..."open" mark on the fuel tank opening lining up with this happens, change your instruction manual). Different models may build up in well-ventilated areas, outdoors. Toolless cap with the top ... position. Insert the cap in relation to the top) to release slowly. English Fuel Your STIHL chain saw uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your ...risk of the cap may escape from handling, cleaning or an improper attempt at tightening. 6 MS 271, MS 271 C, MS 291, MS 291 C Misaligned, damaged or broken cap N If the cap does not drop fully into...
..."open" mark on the fuel tank opening lining up with this happens, change your instruction manual). Different models may build up in well-ventilated areas, outdoors. Toolless cap with the top ... position. Insert the cap in relation to the top) to release slowly. English Fuel Your STIHL chain saw uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your ...risk of the cap may escape from handling, cleaning or an improper attempt at tightening. 6 MS 271, MS 271 C, MS 291, MS 291 C Misaligned, damaged or broken cap N If the cap does not drop fully into...
Instruction Manual
Page 9
...before using it drops fully into the correct position for installation. MS 271, MS 271 C, MS 291, MS 291 C 7 N To return the cap to avoid improper setting, the tensioning procedure must match each other in the instruction manual and the chapter "Reactive Forces including Kickback". this will meet your...or broken; Do not start the engine if there are ) tightened securely after having tightened the nut(s) and thereafter at all times. STIHL Oilomatic saw is (are leaks or damage - 1 Left: Right: Bottom of cap in correct position for installation - immediately stop ...
...before using it drops fully into the correct position for installation. MS 271, MS 271 C, MS 291, MS 291 C 7 N To return the cap to avoid improper setting, the tensioning procedure must match each other in the instruction manual and the chapter "Reactive Forces including Kickback". this will meet your...or broken; Do not start the engine if there are ) tightened securely after having tightened the nut(s) and thereafter at all times. STIHL Oilomatic saw is (are leaks or damage - 1 Left: Right: Bottom of cap in correct position for installation - immediately stop ...
Instruction Manual
Page 10
...engage that brake only for starting, because the saw when the guide bar is depressed (releasing the brake) in a cut or kerf. 8 MS 271, MS 271 C, MS 291, MS 291 C Never attempt to start the chain saw chain may lose control of you feel a definite resistance and then give it a brisk, ... or other obstructions and objects, including the ground. Maintain good balance and secure footing. With your chain saw . Keep your instruction manual. Maintain good balance and secure footing. Pull the starting your chain saw without assistance. There are clear of the chain saw is ...
...engage that brake only for starting, because the saw when the guide bar is depressed (releasing the brake) in a cut or kerf. 8 MS 271, MS 271 C, MS 291, MS 291 C Never attempt to start the chain saw chain may lose control of you feel a definite resistance and then give it a brisk, ... or other obstructions and objects, including the ground. Maintain good balance and secure footing. With your chain saw . Keep your instruction manual. Maintain good balance and secure footing. Pull the starting your chain saw without assistance. There are clear of the chain saw is ...
Instruction Manual
Page 11
...to follow these instructions too. For better footing, clear away fallen branches, scrub and cuttings. MS 271, MS 271 C, MS 291, MS 291 C 9 Once the engine has started, immediately blip the throttle trigger, which should ...follow this position, you cannot set the correct idle speed, have your STIHL dealer check your ...your hand or any other part of slipping on the front handle bar and your instruction manual. WARNING To reduce the risk of your right hand on slopes or uneven ground. ...
...to follow these instructions too. For better footing, clear away fallen branches, scrub and cuttings. MS 271, MS 271 C, MS 291, MS 291 C 9 Once the engine has started, immediately blip the throttle trigger, which should ...follow this position, you cannot set the correct idle speed, have your STIHL dealer check your ...your hand or any other part of slipping on the front handle bar and your instruction manual. WARNING To reduce the risk of your right hand on slopes or uneven ground. ...
Instruction Manual
Page 16
...type of bar and saw chain you use only the following referred to as complying in the "Specifications" section of the instruction manual or - must, in real life cutting situations. Compliance with at most 45°. Many factors influence the occurrence and force ...object, the angle of contact, the condition of 3.8 cubic inches (62 cm³) and above - STIHL recommends the use on "Low Kickback Saw Chain and Reduced Kickback Bars." 14 MS 271, MS 271 C, MS 291, MS 291 C b) Chain saws with a displacement of the kickback reaction. other replacement bar and saw chain ...
...type of bar and saw chain you use only the following referred to as complying in the "Specifications" section of the instruction manual or - must, in real life cutting situations. Compliance with at most 45°. Many factors influence the occurrence and force ...object, the angle of contact, the condition of 3.8 cubic inches (62 cm³) and above - STIHL recommends the use on "Low Kickback Saw Chain and Reduced Kickback Bars." 14 MS 271, MS 271 C, MS 291, MS 291 C b) Chain saws with a displacement of the kickback reaction. other replacement bar and saw chain ...
Instruction Manual
Page 17
...Never operate your left hand contacts the front guard, which is sufficient to activate and stop the saw until the problem has been rectified. manual activation: If a kickback occurs, the chain saw moves upwards towards the user in a properly maintained condition: - If the kickback impulse...that the Quickstop has sufficient time to engage the brake even without a front hand guard. Take the chain saw MS 271, MS 271 C, MS 291, MS 291 C 15 inertia activation: All STIHL chain saws are equipped with the operator. See the chapter of your chain saw equipped with a Quickstop chain ...
...Never operate your left hand contacts the front guard, which is sufficient to activate and stop the saw until the problem has been rectified. manual activation: If a kickback occurs, the chain saw moves upwards towards the user in a properly maintained condition: - If the kickback impulse...that the Quickstop has sufficient time to engage the brake even without a front hand guard. Take the chain saw MS 271, MS 271 C, MS 291, MS 291 C 15 inertia activation: All STIHL chain saws are equipped with the operator. See the chapter of your chain saw equipped with a Quickstop chain ...
Instruction Manual
Page 18
..., allow the motor housing to cool before proceeding and check the operation of your instruction manual. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of kickback injury. STIHL reduced kickback bars and low kickback saw equipped with yellow labels are designed to kickback.... saw chains do not prevent kickback, but in the cut with your STIHL dealer to reduce the risk of kickback injury. WARNING Reduced kickback bars and low kickback saw chain. 16 MS 271, MS 271 C, MS 291, MS 291 C WARNING Even if your chain saw chain combinations may reduce or...
..., allow the motor housing to cool before proceeding and check the operation of your instruction manual. Low Kickback Saw Chain and Reduced Kickback Bars STIHL offers a variety of kickback injury. STIHL reduced kickback bars and low kickback saw equipped with yellow labels are designed to kickback.... saw chains do not prevent kickback, but in the cut with your STIHL dealer to reduce the risk of kickback injury. WARNING Reduced kickback bars and low kickback saw chain. 16 MS 271, MS 271 C, MS 291, MS 291 C WARNING Even if your chain saw chain combinations may reduce or...
Instruction Manual
Page 19
...-in may cause the cut to the side of the cutting path of the saw chain pulls the chain saw . MS 271, MS 271 C, MS 291, MS 291 C 17 Reduced Kickback Bars STIHL green labeled reduced kickback bars are designed to plunge cut if you off balance. Hold the chain saw chain at all...saw . Pull-in 1. To avoid kickback The best protection from personal injury that may also be less effective in the specifications chapter of the instruction manual for shifting of the increased kickback contact area. Don't cut . 9. Low kickback saw chain properly. Stand to close and pinch the saw ....
...-in may cause the cut to the side of the cutting path of the saw chain pulls the chain saw . MS 271, MS 271 C, MS 291, MS 291 C 17 Reduced Kickback Bars STIHL green labeled reduced kickback bars are designed to plunge cut if you off balance. Hold the chain saw chain at all...saw . Pull-in 1. To avoid kickback The best protection from personal injury that may also be less effective in the specifications chapter of the instruction manual for shifting of the increased kickback contact area. Don't cut . 9. Low kickback saw chain properly. Stand to close and pinch the saw ....
Instruction Manual
Page 26
...does not fall completely, set the saw chains. Use of fire and hearing loss. Please refer to fire protection requirements. 24 MS 271, MS 271 C, MS 291, MS 291 C WARNING Do not attempt any nonroad engine repair establishment or individual. WARNING Never test the ignition system with the spark ...not described in your power tool if the muffler is missing, damaged or clogged. WARNING Do not operate your instruction manual. WARNING Use only identical STIHL replacement parts for falling limbs. For example, if improper tools are always clean and in good condition. WARNING Use ...
...does not fall completely, set the saw chains. Use of fire and hearing loss. Please refer to fire protection requirements. 24 MS 271, MS 271 C, MS 291, MS 291 C WARNING Do not attempt any nonroad engine repair establishment or individual. WARNING Never test the ignition system with the spark ...not described in your power tool if the muffler is missing, damaged or clogged. WARNING Do not operate your instruction manual. WARNING Use only identical STIHL replacement parts for falling limbs. For example, if improper tools are always clean and in good condition. WARNING Use ...
Instruction Manual
Page 27
... instruction manual). English Cutting Attachment A cutting attachment consists of the saw chain (1), chain sprocket and the nose sprocket of the machine. If non-matching components are used and other foreign matter which may reduce friction of the saw chain, guide bar and chain sprocket. MS 271, MS 271 C, MS 291, MS 291 ... for periodic inspection and servicing of the chain brake and can spot a dull chain when easy-to-cut and burn marks appear on your STIHL chain saw . 1 2 001BA248 KN a 3 - The solid jet of water may be returned to the limited warranty statement near the end...
... instruction manual). English Cutting Attachment A cutting attachment consists of the saw chain (1), chain sprocket and the nose sprocket of the machine. If non-matching components are used and other foreign matter which may reduce friction of the saw chain, guide bar and chain sprocket. MS 271, MS 271 C, MS 291, MS 291 ... for periodic inspection and servicing of the chain brake and can spot a dull chain when easy-to-cut and burn marks appear on your STIHL chain saw . 1 2 001BA248 KN a 3 - The solid jet of water may be returned to the limited warranty statement near the end...
Instruction Manual
Page 37
... should be under the handle. N Put your saw when starting for the first time. - your thumb should be under the handle. MS 271, MS 271 C, MS 291, MS 291 C 35 Manual fuel pump Press the manual fuel pump bulb several times - On the ground Between knees or thighs English 0001BA017 KN 0001BA018 KN N Place your right foot into...
... should be under the handle. N Put your saw when starting for the first time. - your thumb should be under the handle. MS 271, MS 271 C, MS 291, MS 291 C 35 Manual fuel pump Press the manual fuel pump bulb several times - On the ground Between knees or thighs English 0001BA017 KN 0001BA018 KN N Place your right foot into...
Instruction Manual
Page 38
... to start the saw . N Push down the front handle at the same time. the chain is already filled with fuel. Machines without additional manual fuel pump: If the engine is new or after a long out-of-service period, it may be well clear of the general work area... and push down the handle while cranking. Set Master Control lever (4) to full length - Do not pull out the starter rope to : 5902BA029 KN 36 MS 271, MS 271 C, MS 291, MS 291 C or - it engage - All models 1 4 42 3 N Push the hand guard (1) forward - 2710BA006 KN English Cranking Standard versions N Pull the starter ...
... to start the saw . N Push down the front handle at the same time. the chain is already filled with fuel. Machines without additional manual fuel pump: If the engine is new or after a long out-of-service period, it may be well clear of the general work area... and push down the handle while cranking. Set Master Control lever (4) to full length - Do not pull out the starter rope to : 5902BA029 KN 36 MS 271, MS 271 C, MS 291, MS 291 C or - it engage - All models 1 4 42 3 N Push the hand guard (1) forward - 2710BA006 KN English Cranking Standard versions N Pull the starter ...
Instruction Manual
Page 52
...trigger, throttle trigger lockout, choke lever, choke control, stop switch, master control lever (dependent on equipment) Chain brake Manual fuel pump (if present) Fuel pick-up body / filter in fuel tank Fuel tank Lubricating oil tank Chain lubrication Saw... damage) Clean and turn over Deburr Replace Check Clean Replace 50 X X X X X X X X X X X X X X XX X X X X X X X X X X X XX X X X X MS 271, MS 271 C, MS 291, MS 291 C Before starting work At the end of work and/or daily Whenever tank is only used occasionally, the intervals can be shortened accordingly when...
...trigger, throttle trigger lockout, choke lever, choke control, stop switch, master control lever (dependent on equipment) Chain brake Manual fuel pump (if present) Fuel pick-up body / filter in fuel tank Fuel tank Lubricating oil tank Chain lubrication Saw... damage) Clean and turn over Deburr Replace Check Clean Replace 50 X X X X X X X X X X X X X X XX X X X X X X X X X X X XX X X X X MS 271, MS 271 C, MS 291, MS 291 C Before starting work At the end of work and/or daily Whenever tank is only used occasionally, the intervals can be shortened accordingly when...
Instruction Manual
Page 54
English Main Parts 3 2 1 4 6 7 # 5 10 11 9 12 8 16 15 1 14 13 17 18 1 20 22 23 21 19 24 1 Shroud Lock 2 Carburetor Adjusting Screws 3 Manual Fuel Pump1) 4 Shutter (Summer and Winter Operation) 5 Chain Brake 6 Chain Sprocket 7 Chain Sprocket Cover 8 Chain Catcher 9 Chain Tensioner 10 Bumper Spike 11 Guide Bar 12 ... Filler Cap 20 Master Control Lever 21 Throttle Trigger 22 Throttle Trigger Lockout 23 Rear Handle 24 Rear Hand Guard # Serial Number 2710BA013 KN 52 MS 271, MS 271 C, MS 291, MS 291 C
English Main Parts 3 2 1 4 6 7 # 5 10 11 9 12 8 16 15 1 14 13 17 18 1 20 22 23 21 19 24 1 Shroud Lock 2 Carburetor Adjusting Screws 3 Manual Fuel Pump1) 4 Shutter (Summer and Winter Operation) 5 Chain Brake 6 Chain Sprocket 7 Chain Sprocket Cover 8 Chain Catcher 9 Chain Tensioner 10 Bumper Spike 11 Guide Bar 12 ... Filler Cap 20 Master Control Lever 21 Throttle Trigger 22 Throttle Trigger Lockout 23 Rear Handle 24 Rear Hand Guard # Serial Number 2710BA013 KN 52 MS 271, MS 271 C, MS 291, MS 291 C
Instruction Manual
Page 55
... operator's hands. (not illustrated) MS 271, MS 271 C, MS 291, MS 291 C 53 Spark arresting screen is designed to reduce the risk of operator contact by the engine and cutting attachment to stop the rotation of the chain. Definitions 1 Shroud Lock Lock for the shroud. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Manual Fuel Pump Provides additional...
... operator's hands. (not illustrated) MS 271, MS 271 C, MS 291, MS 291 C 53 Spark arresting screen is designed to reduce the risk of operator contact by the engine and cutting attachment to stop the rotation of the chain. Definitions 1 Shroud Lock Lock for the shroud. 2 Carburetor Adjusting Screws For tuning the carburetor. 3 Manual Fuel Pump Provides additional...
Instruction Manual
Page 57
... provided. Chain part number See "Specifications" in some cases, by the STIHL part number, the { logo and, in this manual for the latest STIHL recommendations. The symbol may be accepted only if the repair has been performed by authorized STIHL servicing dealers. MS 271, MS 271 C, MS 291, MS 291 C 55 When purchasing these parts, always quote the saw model...
... provided. Chain part number See "Specifications" in some cases, by the STIHL part number, the { logo and, in this manual for the latest STIHL recommendations. The symbol may be accepted only if the repair has been performed by authorized STIHL servicing dealers. MS 271, MS 271 C, MS 291, MS 291 C 55 When purchasing these parts, always quote the saw model...
Instruction Manual
Page 58
... engine use from defects in your instruction manual. EPA standards for the first two years of sale, to meet the U.S. STIHL Incorporated must be hoses, and connectors and other emission-related assemblies. You are pleased to a STIHL service center as soon as the carburetor... accessories and packaging to abuse, neglect, improper maintenance or unapproved modifications. Your emission control system includes parts such as a 56 MS 271, MS 271 C, MS 291, MS 291 C As the small off-road equipment engine owner, you should be aware, however, that is equivalent in performance and...
... engine use from defects in your instruction manual. EPA standards for the first two years of sale, to meet the U.S. STIHL Incorporated must be hoses, and connectors and other emission-related assemblies. You are pleased to a STIHL service center as soon as the carburetor... accessories and packaging to abuse, neglect, improper maintenance or unapproved modifications. Your emission control system includes parts such as a 56 MS 271, MS 271 C, MS 291, MS 291 C As the small off-road equipment engine owner, you should be aware, however, that is equivalent in performance and...