Question about Craftsman 25cc Gas Line Trimmer

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Poulan Pro Gas Trimmer Carb Problem...

I have a 31 cc Poulan Pro PPB200 that recently quit running.The primer bulb wouldn`t fill, so I removed the carb and found a clogged screen. I blew it out with canned air and also soaked it in gasoline. It ran like the devil for about 10 hrs., then did the same exact thing! I checked the fuel tank,gas lines,and see no obvious dirt or other contamination. I also changed the in-tank gas filter after the 1st cleaning.WHY is this happening??!

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Try and adjust the fuel/oil mis screws

Posted on May 12, 2009

  • sirskruffz May 12, 2009

    try and adjust the fuel/oil mis screws



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1 Answer

I have a poulanpro gas trimmer ppb335. when i pump the bulb, I can see air bubbles coming from the carb to the pump bulb but not from the tank to the carb. where is it coming from?

There could be a bad check valve in the carb or a gasket leaking or even a pin hole in the fuel line. Since its the primer bulbs job to remove air from the carb and replace it with fuel; as long as the unit runs fine I wouldn't worry about it. A leaking gasket can be fixed with a rebuild kit. Bad check valve will require replacing the carb.

Aug 22, 2014 | Poulan Pro PPB335 33cc 17-Inch Gas Line...

1 Answer

Cannot get fuel to pull up into primer bulb on p3314,what could be the problem?

The primer pulls fuel from the carb metering chamber, so if there is no fuel in the carb the primer will not fill, so either there is a blockage in the fuel filter in the tank ( replace filter ), or there is a blockage in the internal screen in the carb, this is under the pump cover, remove the cover and clean the screen, in some cases the non return valve in the primer itself is defective, so replace the primer.

Feb 02, 2013 | Poulan Pro 14" Gas Chainsaw 33CC P3314

1 Answer

Trying to replace the fuel line and the primer hose both were rotted off not sure what goes where on my poulan pro ppb200 31cc string trimmer there are two lines into the tank the primer wont fill i have...

The smaller line is connected to the fuel filter in the tank and goes on the carb body opposite the end with the hole in the cover. A larger diameter line coming out of the tank is the fuel return line and has the little connector on it just inside the tank to hold it in place there
It goes on the carb body (if primer is on carb) by the bulb.
If there is an external bulb...the small line is the same...there would be a larger line going from the carb body (nearest the end with a hole in the cover) to the smaller nipple on the primer bulb. A third larger diameter line would be connected to the larger nipple on the primer bulb and running to the little nylon connector inside the tank. This is the fuel return line and the smaller diameter line is of course the fuel supply line.

Aug 07, 2010 | Poulan Pro Pp125 25cc Gas Straight Shaft...

3 Answers

31cc Poulan Pro Weedeater

Sounds as though the fuel filter may be plugged. The filter is in the tank. Take a look, see if it is visible. Remove and replace. Good luck...Lee

Jul 26, 2010 | Poulan 25cc 2-Cycle Gas Powered String...

1 Answer

I have a xt 200 grass trimmer were do the gas lines go from the carb

line in tank has a small filter on it then line goes to carb.
another line goes from carb. to primer bulb.
another line goes from primer bulb to gas tank.

Jun 24, 2010 | Poulan Garden

1 Answer

My Poulan Pro weed trimmer SM132 does not run. I replaced the primer bulb and spark plug and it ran fine for 10 minutes. Now it will only start with the choke on and dies immediately. It will not start...

The primer does require two lines attached as it is a Walbro style primer. All four SM132 models uses the WT628 Carb. Since the trimmer ran 10 minutes then you have got all the lines connected right. Mostly you got trash in your carb or it simply needs rebuilding as the diaphragm may have pin hole in it or the check valves are worn out. Depending on the age and use of your unit you may also have a sticking piston ring.

Aug 23, 2009 | Poulan Garden

1 Answer


most trimmer fuel lines run from line in tank with pick up filter to bottom of carby then out of top of carby to inlet on primer usually the smaller tube then out of the longer tube on the primer and back to the tank.

Jul 21, 2009 | Poulan Pro Pp125 25cc Gas Straight Shaft...

1 Answer

32 cc Craftsman (Poulan) gas line replacement

Yes, you are right. The larger line goes to the primer bulb and only goes into the tank about an inch. The coupling just keeps the line from pulling out of the tank. The smaller line goes to the carb. This line must rest comfortably on the bottom of the tank with the filter attached to the end.


Jun 07, 2009 | Craftsman 25cc Gas Line Trimmer

2 Answers

Carburetor overflowing

Gas line from primer bulb to carb may be cracked or broken. Check gas lines for damage. If not that then there maybe an overflow problem in side the carb caused by the float shut off not seating correct or worn "o" ring etc.

May 16, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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