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Poulan chainsaw 2055

Hard to start, starts runs fuel from carb and stops. gov won't let me adjust carb.

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Hi brady
Sounds like you have dirt/debris in your carburetor jets, fuel passages or a diaphragm that is becoming non-flexible.
Check/Clean/Replace your Air Filter, a dirty air filter can make your engine run to rich with fuel.
Also be sure to check and clean your spark arrestor in the exaust,if you have one installed on your engine.
Note: ALWAYS USE COMPRESSED AIR TO CLEAN YOUR JETS AND PASSAGES, VERY IMPORTANT.
Note:Before you disassemble the carburetor:
Write down on a piece of paper or take a picture of how the linkage attaches to your carburetor for later reference when you go to reinstall your carburetor.
Mark each piece with a awl, or some kind of instrument that will make an alignment scratch before you disassemble the carburetor into separate pieces.
That way you will know which way it goes back together when you reassemble it.
Sometimes you can get by with priming the carburetor or by using a very small shot of starting fluid and letting it run a few times like that, and it will flush the gunk out of the jets,but most of the time you will need to rebuild the carburetor.
Be sure to check your fuel tank for water and dirt/debris, if there is water/debris then you need to clean your tank.
Check you fuel line condition after a while they will degrade and need replacment.
Check/Clean/Replace your fuel filter if you have one, normally they are located in the fuel tank of chainsaws and weedeaters.
When you remove your fuel lines from the carburetor be sure to make a drawing to how the lines are connected to the carburetor or take a pictue for later reference.
Normally the big line will be the line the fuel filter is connected to inside of the tank.The smaller of the two lines is the return to the fuel tank from the carburetor after it is pumped thru the carburetor by the primer bulb.
Make sure you are using fresh fuel...and oil if your using a two cycle chainsaw or weedeater with the oil to the right mixture...too much oil as it can cause hard starting and excessive smoking.
If the chainsaw/trimmer is over a couple of years old, then I recommend that you buy and install a new carburetor repair kit,because the diaphragm will get hard and that will cause it to be hard to crank.
The diaphgram may look good and flexible, but it can be deceiving and not act as a fuel pump as it should because it has become too hard and will cause hard starting,start and run and shut off, etc.
When you clean your carburetor, I recommend that you use a laquer thinner type cleaner to clean and dissolve the laquer build-up in the float and needle jet passages.
Be sure to remove all plastic and rubber parts before using the laquer thinner because it can dissolve the plastic parts and render them unuseable.
Be sure to use COMPRESSED AIR to blow out all the fuel and air passages.The higher air pressure is needed to blow some of the trash/debris from the fuel or air passages.
Be careful when blowing out the passages, because there are sometimes small rubber type seats in the bottom of some of the passages.
Keep in mind that the float (if you have one) for the carburetor must be level when you go to reassemble the carburetor or follow the instructions you get with the carburetor kit, or you could also ask the parts man that you get your kit from.
When you clean your carburetor and remove the jet screws, you will first need to lightly seat the jet screws.
But before you lightly seat the jet screws count the number of turns it takes to seat the jet screws from their original position.
Be sure to mark the turns down on a piece of paper.
That way when you put the jets back in, you know to lightly seat them first and then turn them back out to their original position before you started.
Note:
The little spring inside of the carburetor goes under the float arm.
That is where your fuel inlet needle/float valve is located...on the arm at the end.
Normally there is a small indention in the carburetor base and a small protrusion on the underneath of the float arm where the spring will be in the right postion for installation.
The spring will set in the indention and you will install the float arm with the needle/float valve and float rod into position over top of the spring,you will push down until it is in position and then you can tighten the screw that holds the float arm assembly in position.
Once you have your carburetor cleaned/rebuilt that should solve your problem.
Bud

Posted on Oct 11, 2013

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Posted on Jan 02, 2017

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SOURCE: 2375 ''wild thing'' poulan saw hard starting after carb rebuild

Through trial and error on fairly new Poulin Pro, found that the usual 3-half turns for both high and low was too much (flooded) (Used to be good starting point on weed eaters years ago. So, turned both all the way in, and only backed out 1-full turn. (2-halves) Saw fired up perfectly, and ran wide open just fine. Try that.

Posted on Nov 19, 2008

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SOURCE: Chainsaw will not start

Remove muffler and check for carbon blockage.
If that is ok check crankshaft seals for leakage.

Posted on Mar 14, 2009

  • 97 Answers

SOURCE: routing of fuel lines from tank to primer bulb to carb

Line with filter goes to carb inlet,
Line from carb goes to inlet side of bulb.
Line from bulb goes to tank

Posted on Mar 21, 2009

#1 Taper
  • 1040 Answers

SOURCE: Poulan 335 chainsaw starts easily and then stalls

1. You will first want to check your fuel lines for cracks/breaks.
2. If they are o.k. then you will need to disassemble the carburetor and spray with carb. cleaner. Make sure that the small screen in carb. is free of debris. Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152), to clean the small portals in carb. Check the gasket and diaphragm for breaksor wear. (NOTE): If your carburetor guts, (Carb. Kit), are more than 3 or 4 years old, you might want to replace them while you have it apart.

If you need further assistance, just let me know.


Jim

Posted on Jun 10, 2009

  • 15 Answers

SOURCE: poulan wood shark 1950 wont start spark plug has

Try to squirt a little gas in the carb and see if it pops or tries to run for a short time. The diaphram in the carb is probably old and hard. That would be the first place I would look.

Posted on Nov 08, 2009

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