Question about Husqvarna 450 e-series 18" Chain Saw

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Saw will act as if it is running out of gas when cutting under load

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Check for cracks or holes in the fuel line. Also, there is a filter inside the tank. Make sure that it is clean. Too much oil in the fuel can cause this as well.

Try the above and update this with the results.

Dan

Posted on May 26, 2010

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Carbs not pumping enough fuel. take apart and clean it and burn the screen off inside, after this it may need slight adjustment as well.

Posted on Dec 22, 2010

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1 Answer

My poulan 4018wt has been a hard starter from new. It started to act up out of the blue and started shutting off halfway into the cut and didn't always want to idle right. So I changed the spark plug,


I'd say the most probable culprit is the fuel.... I'd first try dumping the tank out, mixing fresh gas with the addition of a fuel stabilizer and start the saw. It'll quickly vent any old gas in the line and should begin to run fine with the new mix. If not, consider returning it to the service center for adjustment.

Never use gas that has sit on a shelf for months at a time as it becomes 'stale' (for lack of a proper term). Todays 'formulated fuel' can be a cause a bit of a problem for some small engines. Anytime you refuel, shake the can to remix prior to filling.

The oxygenated nature of the blended gas sometimes causes the chain saws to run a little 'lean'...meaning too much air to fuel ratio which could be a portion of your problem. A lean running saw will run hot and scoring of the piston or cylinder wall is possible. Some finely tuned professional saws need carb adjustments between the summer blend and the winter blend gas.


Mar 24, 2015 | Poulan Garden

1 Answer

My husqvarna 455 rancher chainsaw acts like its running out of gas after it warms up?


The 455 suffered with the fuel tank breather blocking, to prove a point slacken the filler cap when it starts to die, if it picks up again then it is a breather issue, the breather is in the right hand corner under under the starter.

Jun 26, 2012 | Garden

2 Answers

Chain saw stalls


hello sir,, now there are two types of carb.adjustment screw covers,the old one where there are plastic over the screws,simple remove the plastic covers with a pair of needle nose pliers or cutting off,,,second are the new ones that are above the adjustment screws,which you have to take your drummel tool with the cutting blade and cut slots in the screws, after you get this done it is important to count the number of rotations in until stops make note how many. because you are going to reset the same way.now remove the screws,put to the side when you get ready to put screws in put in all the way than back out as many turns that you noted, now that is factory set there should only be a small adjustment to do. the rule of thumb is turn both out 1 1/4 turn and adjust in until saw runs smooth and idles ok, it is hard to adjust the top speed when saw is running wide open,let saw idle when adjusting top speed is easier that way, when you go to cut wood you may have to readjust top speed, the above does apply some what if you are not using fresh gas mix and dumped out the old fuel and starting with fresh,and a new plug CJ8Y,and as you know the saw has to breath in and out by this i mean a clean air filter,make sure the small screen on the muffler is not cloged,this will keep saw from running at peak speed and sawing wood, ok i have ran across a few saws to where the small screen in the muffler is cloged so the saw would idle but not run at high rpm's,if you do and check all of the above your saw should run,oh btw check compression should be above 60 to 160 lbs, hope this helps,any comments welcome,thank you. 00

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1 Answer

I have a husqvarna k750 sawing stone stawls under load whats wrong?


If the motor revs up ok it might be the type of disc you are using. I used a huge 2000 Sten one time from about 1961 going through rebar cemented inside cinder block wall to make some windows. It used the huge 18 inch discs and the older guy that was my boss said there is two types of discs - one is tar bonded abbrasives and the other is resin based which is three times better cutting and doesn't smoke up your lungs while you are breathing hard. They are usually dull red with no black in the grit if you look right up close. If the motor stalls or has a cutting out noise at high rev without load it may just be a dust covered gas filter which is deep inside the saw's gas tank on the end of a rubber tube.

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1 Answer

Chain saw starts, runs for two or three seconds then cuts out


check the carburator mixture, if its running too ritch...it will cut out quickly at idle, if its lean...it will sputter out under load. make sure your oil/fuel mix is of the right ratio as well, all motors are different

Apr 28, 2010 | McCulloch 16" Electric Chain Saw 35 HP

1 Answer

Acts like no gas under a load


you had trash in your gas, now its in your filter...hopefully. If it is in the carb you may need to disassemble it. Try the filter first. Should be inline before the petcock.

Apr 01, 2010 | 1999 Suzuki VZ 800 Marauder

1 Answer

My partner 700 cut off saw's carburetor keeps loading up with gas.


you may have a hole in the fuel pump diaphragm,in the carb. Which will let gas into the crankcase through the pulse line

Aug 18, 2009 | Husqvarna Partner Gas Powered Cut Off Saw...

1 Answer

Starts ok when cold. acts like it's out of fuel when hot.


Clean or change the sparkplug. Also make sure you have fresh gas and the proper fuel mix.

Jul 23, 2009 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

Husky 455 dies out at full throttle or under load


Your carb may be the issue but your ignition coil could be the culprit. Once they start going bad, they can act up intermittently or give various symptoms from day to day. The fact that your saw dies at full load or under load, probably means that when your saw gets hot or requires more spark, your coil is not able to provide it. Your carb is easy enough to clean out, you can take it all apart and clean all screens, etc....

I just replaced my coil due to the exact same symptoms and now my saw runs great. $60 off ebay and you can put it on in 15 minutes yourself. Check your carb first though

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