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Bad coil I have a 170 and it runs great until I get to 3/4 throttle then it bogs. I thought the chain may have been binding so I took off the blade and it does the same thing. Thanks

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  • Stihl Master
  • 1,807 Answers

Could be an air leak. Possible split in the fuel hose, damaged carb gasket or diaphram, sucking air. Could also be muffler carbonized.

Posted on Jul 27, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 24 Answers

SOURCE: poulan 2600 chainsaw

check and make sure you have the correct sprocket.is your chain .325,3/8?sprocket has to match as well as chain and bar

Posted on Oct 20, 2008

  • 227 Answers

SOURCE: my chain keeps binding up, i get it back on, start

Try putting a new bar on it. Sometimes during use the grove in the bar gets a kink in it. This will cause the chain not to move like it should. Also, the sprocket at the end of the bar can go bad also causing a malfunction.

Best bet!!!!!! Buy a new bar...

Posted on Aug 04, 2009

dontbother10
  • 2220 Answers

SOURCE: The chain is not moving on Poulan 4018 Wild Thing

I think you are saying the centrifugal clutch does not engage. It should not at idle. Did you rev it up a little and it still not engage? There is a clutch face on sprung weights that should expand and turn the clutch drum above idle. Please see the “Handle, Chassis & Bar Assembly” detail for clutch illustrations.

A 2375 has an outboard clutch (the chain is between the engine and clutch drum).
2375 Type 7 (may not be your saw)
http://www.ordertree.com/modelinfo/PWE/2375-Gas-Saw-Type-7/75.2375-Gas-Saw-Type-7.1.59.1.html
Use this as a guide to remove the clutch and inspect the parts:
R² Drive Link Outboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=cdqkIuVNUQc

  1. Check the IPL for your saw to see if any special tools are needed. Poulan (Craftsman, Jonsered, Husky) clutch removal tool part number 530031112 if needed, is under $5 from many sources,
  2. There are metal piston stops available, when square (almost never) with the piston top these work well, if not square they have been known to punch through the piston. I suggest a length of starter cord or nylon rope be used instead of the piston stop (retain 6" ± so you can remove it). Make sure the piston is near the top of the cylinder before feeding the cord or it can fall through the exhaust port and damage the piston as it rises.
  3. Everyone I have ever removed had a left handed thread (tighten it to loosen it).

A 4018 has an inboard clutch (only the drive sprocket extends into the clutch cover). Do this first then use the outboard procedure to remove the remaining clutch pieces.
PP4018 Type 2 (may not be your saw)
http://www.ordertree.com/modelinfo/PWE/PP4018-Poulan-Pro-Gas-Saw-Type-2/75.PP4018-Poulan-Pro-Gas-Saw-Type-2.1.59.1.html
R² Drive Link Inboard Clutch by Drivelink.blogspot.com
http://www.youtube.com/watch?v=YUbSIHMSSP8
The C-clips tend to fly when being removed. Please wear eye protection and exercise care.

If these are not your saw it can be found here:
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
The dash number of your serial number is the type.
You can reply below with questions or if 1 miss understood your problem. HTH
Lou

Posted on Jan 18, 2010

dontbother10
  • 2220 Answers

SOURCE: my chain saw bogs down like it is binding up

I do not recommend operating your saw at full throttle without the bar and a properly adjusted chain.

Remove clean and reinstall the air filter and muffler, do not forget the spark arrestor. If it the problem persists turn the "H" needle valve CCW 1/8 turn. Better?
This is a very good adjustment procedure.
Carburetor Adjustment by Madsens.com
http://www.madsens1.com/saw%20carb%20tune.htm
CW is leaner; to lean will destroy the saw. If over tightened closed (CW) the adjustment screw faces are easily marred; marred adjustments are difficult to impossible to set properly.
Clean the air filter; adjusting with a dirty filter can cause a run lean condition once cleaned and the saw run.

There are 2 wav (sound - idle & full – may not be highlighted) files that I find most helpful, I think you will too. HTH
Lou

Posted on Feb 20, 2010

  • 57 Answers

SOURCE: I have a Husqvarna 55 and it will cut but not

Is your chain sharp? Sometimes you hit stuff in wood without realizing it and it dulls your chain, dirt, nails, trash, it's all bad for the chain. If you aren't getting enough oil on your chain while cutting it will also shorten the life of your chain dramatically.

Posted on Apr 26, 2010

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