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Stihl MS 170 Support Question

Stihl MS 170 Support Question

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Question posted by garryspence59 on October 22nd, 2022

Saw Won't Rev

the saw starts and idles but stalls when I try to rev it up

Current Answers

Answer #1: Posted by SonuKumar on October 22nd, 2022 11:02 PM
This answer was accepted by the poster of the original question.
SonuKumar

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Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

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Sonu
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Answer #2: Posted by hzplj9 on October 22nd, 2022 1:05 PM
hzplj9

Member since:
June 25th, 2012

Points: 4,873,510
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Sounds like your carb needs adjusting. It would be advisable to give it a clean and replace the spark plug as well. These instructions explain how to adjust the carb.


https://www.hunker.com/13404553/how-to-adjust-a-walbro-carburetor

Hope that solves your problem. Please mark as helpful if it leads you to a satisfactory solution.Thank you.

Related Stihl MS 170 Manual Pages

Product Instruction Manual - Page 3

...Sprocket 41 Maintaining and Sharpening the Saw Chain Maintenance and Care Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { MS 170, MS 170 C, MS 180, MS 180 C Allow only persons who fully...
Product Instruction Manual - Page 5

...improper use of a power tool (or other purposes, since misuse may be hazardous.The saw chain has many sharp cutters. Pay special attention to the operation of personal injury. Have ...See the appropriate section of the power tool. if you , even if the chain is not moving. MS 170, MS 170 C, MS 180, MS 180 C 3 Warning! The use (e.g. Warning! Be alert - Warning! Do not use it . ...
Product Instruction Manual - Page 6

...symptoms appear, seek medical advice immediately. To reduce the risk of the unit. Chain saw chain sharp. To reduce the risk of vibrations created by the machine to help ... monitor the condition of injury to reduce the risk of their hearing checked regularly. 4 MS 170, MS 170 C, MS 180, MS 180 C This field may damage your hands. - Steel-toed safety boots are available ...
Product Instruction Manual - Page 7

...that combustible fuel vapor may , in particular that it to allow it is restricted. MS 170, MS 170 C, MS 180, MS 180 C 5 Do not continue operating this tool is subjected to release slowly. If... oilgasoline mixture for use with STIHL power tools, their use may escape from saw chain moving. Be particularly alert and cautious when wearing hearing protection because your ...
Product Instruction Manual - Page 9

...of injury. Starting Warning! Proper starting methods reduce the risk of the chain is extremely important. MS 170, MS 170 C, MS 180, MS 180 C ...try to adjust the chain while the engine is particularly important to secure the bar. Unit vibrations can be followed as an aid in your manual. Never start the engine at all times; English Warning! Always check your saw...
Product Instruction Manual - Page 10

...MS 170, MS 170 C, MS 180, MS 180 C Maintain good balance and secure footing. Be sure that the guide bar and chain are clear of your instruction manual) and place the chain saw when the guide bar is started , the engine speed with the starting throttle lock engaged will disengage the starting... be engaged when starting grip slowly with incorrect idle adjustment. Warning! English...
Product Instruction Manual - Page 11

... and in wet and freezing weather (rain, snow, ice). Watch for operating the chain saw in a tree unless you have received specific, professional training for such work when the weather... risk of slipping on slopes or uneven ground. Never hold the machine above shoulder height. MS 170, MS 170 C, MS 180, MS 180 C 9 There is dangerous because the operator may lose control. Do not overreach....
Product Instruction Manual - Page 12

... such as Western Red Cedar. Never put pressure on the saw when reaching the end of the gases (e.g. Working Conditions Operate and start your body is running saw, never work area, even when starting. Some of a cut while bucking. Inhalation of dust encountered. 10 MS 170, MS 170 C, MS 180, MS 180 C Do not allow fumes to the left of...
Product Instruction Manual - Page 13

... around the muffler clean. clutch, polymer housing components) - It is idling. If you have been strictly regulated by your muffler. When sawing, make sure that you do not have any reason to kickback. Never modify your STIHL servicing dealer only. MS 170, MS 170 C, MS 180, MS 180 C 11 In the event of personal injury, do not touch...
Product Instruction Manual - Page 14

... . 12 MS 170, MS 170 C, MS 180, MS 180 C This may cause serious or fatal injury. Kickback may occur any solid object such as conventional mufflers when the engine returns to idle or is ... pushback, - To reduce the risk of the chain causes a rotational force on the chain saw chain near the upper quadrant of the catalytic converter. The most common reactive forces are equipped...
Product Instruction Manual - Page 15

...cubic inches (62 cm³) displacement are no relationship to actual kickback bar rotation angles that in certain kickback situations. b) Saws with § 5.11 of ANSI B 175.1-2000 does not automatically mean that may lose some of the kickback reaction....the occurrence and force of their effectiveness when they have been improperly maintained. MS 170, MS 170 C, MS 180, MS 180 C 13
Product Instruction Manual - Page 16

... ensure that the chain is not turning at idle speed (see above idle speed for the Quickstop to reduce the risk ...maintained and in higher kickback tendency. English All STIHL chain saws are sufficiently high, the hand guard is accelerated towards the... housing to reduce the risk of ANSI B 175.1-2000 14 MS 170, MS 170 C, MS 180, MS 180 C See the chapter entitled "Chain Brake" of bars ...
Product Instruction Manual - Page 17

... are recommended for dealing with kickback. STIHL has developed low kickback chain for your STIHL dealer. English Warning! Warning! For a properly balanced saw and in ANSI B 175.1-2000. MS 170, MS 170 C, MS 180, MS 180 C 15 A dull or improperly sharpened chain may increase kickback forces and the risk of kickback injury. When used with § 5.12...
Product Instruction Manual - Page 18

...may cause the operator to close and pinch the chain. 11. Always start a cut to lose control. The risk of the saw . To avoid Kickback The best protection from personal injury that may ... full throttle. 7. Stand to open the kerf or cut because the chain can pinch. 16 MS 170, MS 170 C, MS 180, MS 180 C Be aware of the location of the bar is suddenly stopped when it contacts the ...
Product Instruction Manual - Page 20

... 45° piece. Felling notch (C) - N Remove resulting 90° piece. 18 MS 170, MS 170 C, MS 180, MS 180 C N Make second cut into the largest buttress vertically first (horizontally next) and... the gunning sight on the shroud and housing to check the desired direction of fall: Position the saw so that the gunning sight points exactly in the direction you want the tree to fall , close...
Product Instruction Manual - Page 22

...saw for the next cut, keep the felling cut straight. The bumper spike rolls against the trunk. Felling a tree that has a diameter greater than twice the length of the guide bar requires the use of the nose of the guide bar and can result in the center of the notch. 20 MS 170, MS 170 C, MS... 180, MS 180 C When repositioning for the ...
Product Instruction Manual - Page 23

...Limbing Limbing is cutting a log into sections. 001BA033 KN MS 170, MS 170 C, MS 180, MS 180 C 21 Start limbing by leaving the lower limbs to fall , withdraw the... an extreme danger of kickback at this point. With the saw by applying the lower portion of the guide bar nose to...If you may slip or the log may be attempted. you try to fall , since part of the trunk may split and come...
Product Instruction Manual - Page 24

... refer to remove the flywheel or if an improper tool is stopped before cutting. Always start relieving cut (1) at compression side.Then make sure that the cutting tool is used to...only one log at tension side. Watch out for rolling logs. MS 170, MS 170 C, MS 180, MS 180 C When bucking, do not stand on saw pinches, stop the engine and make bucking cut very carefully. Shattered...
Product Instruction Manual - Page 33

...tank before starting cutting work . at idling speed The...High revs with chain brake 143BA024 KN 143BA011 KN 143BA012 KN The saw without chain lubrication. Always disengage chain brake before accelerating engine and before starting -... very short time. when starting work . The hand guard is not behind the hand guard, e.g. during a MS 170, MS 170 C, MS 180, MS 180 C 31 or when ...
Product Instruction Manual - Page 38

...Saw Chain". see "Tensioning the Saw Chain". The drive links must be dissipated by hand. Short-term storage Wait for a while at high revs... chain brake). During work . Running the engine at idle speed so that the heat in the engine can still.... Long-term storage See "Storing the machine" 36 MS 170, MS 170 C, MS 180, MS 180 C The engine develops its maximum power after finishing...

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