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Poulan 2050 fuel line routing & replacement

If you were like me, you can't find anything specific on the Poulan 2050 fuel line routing. However, I have just completed this task successfully and this applies to an engine that has a Walbro carburetor, with an inlet at the top right and bottom left. The smaller diameter tubing which runs from the tank and is connected to the fuel filter in the tank goes to the nipple which is on the top of the carburetor, period. There are two lines running to the primer bulb and one goes to the bottom left side of the carburetor and one goes to the line running into the tank. If you have an original primer, the lines on the primer itself may not be marked, so you may have to switch them around to get them right. When they are right, fuel should travel from the tank, up the small diameter fuel line, through the carburetor and the excess goes back into the tank through the primer. Simply switching these lines around on the primer will solve the problem. An easy test is to remove the supply line (the one that comes from the filter) from the carb nipple and pump the primer. If gas comes out, then you have it right. To replace the actual fuel line and filter is easy enough as well if you cut the end of the small line on a diagonal of about 2" or more so that it easily slips through the hole in the upper part of the tank. Then simply grab it with a pair of needle nose pliers and pull it down slowly until you can feed it using your left hand to pull, right hand to thread. I am not a mechanic but this is exactly how I did it. Hopefully this simple description is helpful and yes, the nipples on the carburetor are repectfully input and output but determining which is which is not often easy, so that is why I specifically talk to a Poulin 2050 model. Now replacing the trigger assembly is another matter which I need to learn about.

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Install fuel line for Poulan 2050 chain saw


What i normally do is slice the hose up the middle to approx 2" take away on half, the hose is now only half the diameter at one end, push this into the top of the tank, take a pair of long nose pliers through the open fuel filler hole, grab the end of the hose and pull it through, trim the end and re fit the fuel filter.

Oct 26, 2011 | Poulan Pro Chain Saw 46cc 20"

2 Answers

replacing gas line


Your fuel lines are routed like the schematic below. I suggest you replace the filter, all hoses (2 different sizes), and the purge button (bleeder).
http://www.fixya.com/support/r3706813-2_cycle_fuel_system_repair

May 07, 2010 | Poulan ES350 16" Chain Saw

1 Answer

fuel line routing


A typical fuel system and a couple of suggestions follow:
http://www.fixya.com/support/r3706813-2_cycle_fuel_system_repair

An example of an IPL for a "2055 Gas Chain Saw Type 7" follows (may not be your saw):
http://www.ordertree.com/modelinfo/PWE/2055-Gas-Chain-Saw-Type-7/75.2055-Gas-Chain-Saw-Type-7.1.59.1.html

If not your saw, yours 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.
I am reasonably sure the upper most carburetor connection (it bleeds any air in the carburetor, air rises) goes to the primer. Leave the hoses long enough to swap them and try it. They can be shortened once you verify the correct routing. Good Luck. HTH
Lou

Feb 24, 2010 | Poulan Pro Chain Saw 46cc 20"

1 Answer

fuel line crack dry out, in pieces


The IPL (exploded parts list) for your saw is the only detail for fuel line routing and it is sketchy at best. Find your saw here:
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html


Fuel Line Replacement
SmallEng.com
http://www.youtube.com/watch?v=JrXpU70Hmi0
Routing runs from fuel tank to carburetor, (if equipped) through carburetor to primer bulb, bulb returns excess to fuel tank.

I think the second line on the carburetor is an impulse line and connects to the crank case. HTH
Lou

Oct 08, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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