Question about Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Has long as you give gas chainsaw will run.But when you let it go to a ideal it will quit and hard to start.

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  • 4,088 Answers

Check the fuel filter, air filter and muffler for plugging. Check the fuel lines for decay or other damage. Make sure the carburetor fasteners are tight. Turn both jet screws CW to stops (lightly), then back out CCW 1-1/2 turns each. This is a basic setting which should allow the engine to start and run. Start the engine and allow to warm up, then pull the throttle full on. Adjust the H needle CW until the engine begins to speed up, but still 4-stroking. Correct adjustment is when the engine 4-strokes unloaded, but immediately 2-strokes when cutting. Release the throttle and adjust L CW for better idle, but still allows the engine to 'follow the throttle'. Adjust idle speed screw so that the chain stops turning, but the engine continues to run. Hope this helps!

Posted on Jul 16, 2010

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4 Answers

It is getting fuel but has a weak spark and will not start.


DO NOT , I repeat do not use starting fluid on a 2 stroke chainsaw or trimmer. you will score the cylinder or the piston. When trying to diagnose a hard to start motor just give it a small squirt of mix in the carburetor. If it won't fire you have a compression problem or an ignition problem. when you test for spark make sure you have a good plug, that is well grounded and not in bright sunlight which can make it hard to see the spark. if you have spark, do a compression test.

Mar 19, 2015 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

445 HUSQVANA SAW QUITS


Sounds like fuel starvation, always start with simple things first, replace the fuel filter in the fuel tank, check the fuel hose up to the carb for signs of leaking.

Jan 18, 2013 | Husqvarna , No.455 Rancher, 20" Gas -...

1 Answer

358351181


Check the Airfilter and gas. Chainshw need good gas. Check ideal settings.
Possible problem with the carburetor. A faulty carburetor diaphragm or even a broken crankshaft seal.

Dec 20, 2012 | Garden

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Having problems running my chainsaw?


If airfilter is clean and have good gas in tank. And you hawe checked ideal settings for carburetor. Possible problem with the carburetor. A faulty carburetor diaphragm or even a broken crankshaft seal.

Dec 19, 2012 | Stihl MS362W Chainsaw

1 Answer

Getting to much gas in the cylinder . wont start


Flush out the cylinder by running it with choke off, leave for 5 minutes then try to start again with choke on.
Check that the air filter isn't dirty as this can cause too much fuel to be sucked in through the carburettor.
Ensure that you have a spark by removing plug and holding body of plug against the metal of chainsaw body while pulling starter rope. This can be awkward and possibly risky. Ideally you should do this with fuel removed from the tank and allow the gas to evaporate from the cylinder. You also have to think of how to keep the spark plug against the chainsaw as it will bounce about while pulling the cord.

Feb 19, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Need intructions on carberator adjustments for mac-3514 35cc/cm3 runs but hard to start after using it for few minutes.


There is a low speed jet and high speed. Low speed sets the idle or stays running without feathering the throttle./// When setting high speed, hold the throttle wide open until engine revs high, then turn back in(at least ¼ turn) to slow the engine which in turn gives the engine more gas and runs cooler. If you have it too lean on the high speed, it will be hot and hard to start. Sometimes using 40 to 1 mix helps with starting, especially on older chainsaw. good luck

Sep 22, 2010 | McCulloch Garden

1 Answer

Stihl MS290 chainsaw won't stay running


check gas cap! maybe there is a weak spot in ''crank case gasket'' and when it gets real hot it opens up and loses vacuum.... that's highly unlikely, but I've seen worse.... sounds like you need your thinking cap for this 1! good luck

Dec 29, 2009 | Garden

1 Answer

Overheating why? can only run four an hour at most then it will not start.


Either the gas mixture is not quite right or the gas cap is slightly clogged.

If you don't have enough oil in the gas, this may cause it to overheat.

The next time you run the chainsaw and it starts to die, loosen the gas cap. If it starts running again, then you know that it's a clogged gas cap.

You may also check the air breather, it may be dirty as well.

If you need further assistance, just let me know.

Jim

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1 Answer

4 y/o oulan chain saw hard to start and quit running, no spark.


TRY RUNNING AT HALF OR FULL WHEN IT DOES POSSLBY BAD GAS/MIX IF YOU CHANGED THAT ALREADY CARB PROBALY NEED TO BE CLEAN

May 02, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

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