Question about Poulan Wild Thing 2375 18" Gas Chain Saw 2.5 Cuin

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I have a poulan 2450 chainsaw and i can't get the primer bulb to **** any gas, the bulb is in good condition however there is gas leaking out of the gas cap in the center of it, do I need a new gas cap and could this be why I can't get suction from the primer bulb?

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You may be overfilling the tank somewhat so that expanding fuel (from engine heat) is being pushed out of the vent. Check the fuel filter for plugging and all of the fuel lines for any rot, splitting, or other damage. The primer bulb is supposed to pull fuel from the fuel filter, then through the carburetor and on to the primer which should push the excess back into the tank through another line. If the above does not allow the primer to pump fuel, then dismantle the carburetor, clean with carburetor spray cleaner, and rekit it. Go to: http://www.drystacked.com for a 12 page article on Walbro brand carburetors--theory and troubleshooting. This information applies to most brands of carburetor. Hope this gets you running!

Posted on May 31, 2010

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Posted on Jan 02, 2017

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http://www.youtube.com/watch?v=sNj2oO9L9ic

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1 Answer

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Fuel Line Replacement by SmallEng.com
http://www.youtube.com/watch?v=JrXpU70Hmi0
  • The hose in the tank with the filter on the free end connects directly to the carburetor input connection.
  • If the saw is equipped with a primer bulb, an output line from the carburetor connects to the suction side of the primer (once the bulb is collapsed it draws fuel from the tank through the carburetor to refill as it inflates).
  • The pressure side of the primer returns displaced fuel to the tank as it is depressed.
Take lots of notes and a few digital photographs to help with reassembly.
Typical fuel system:
078a6c2.gif
The IPL (exploded parts list) for your saw is the only detail for fuel line routing and it is sketchy at best.
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
2450 Gas Saw Type# - # is the dash number of your serial number.
HTH
Lou
No one illustration shows all fuel system components.

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