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Huskvarna model 141le wants to run full throtle all time

Carb has been rebuilt and problem is the same. starts good and will idle until you give it the gas a couple of times then full throtle problem begins again

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Adjust H,L and T from the carb.When the engine is warm check the spark from the sparkplug:It has to be a strong violet spark(not flame).Disassembly the carb and carefully clean it.Check the fuel pump(it should be tighten not bended),Check the fuel filter and air filter.;the gas tank ventil and the fuel hose.
regards savumihai71

Posted on Dec 05, 2008

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Rough idle, bogs when I give it throttle then dies


Go back to the carburetor adjustment screws and snug them down gently. Do not use force on those screws or you'll damage the needle valve seats. Turn both screws out one and a quarter turns out and start the saw. The motor should stay running.... if not adjust the screws until it stays running. Turn one screw in until you hear the motor start to stall, then turn that screw out just a little bit. turn the other screw in until the saw starts to stall, then turn that screw out a little bit. Now if the saw bogs at full throttle, turn one screw out one quarter turn. See if the saw runs at full throttle... if not turn that same screw in to where it was and try the other screw the same way. If you're good, you can adjust the screw while the saw is running to get the best full throttle run. This is not an exact science, and it takes time and many adjustments to get the saw to idle and run at full throttle. Good luck... and have patience.

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Both the high an low speed circuits should be at about 1.5 turns out from seated. Gently screw them in until they seat, then turn them back out 1.5 times. This should be close to the factory setting, but will likely need to be refined a bit from there. Start the saw and let it run for a few minutes. Adjust the low speed circuit at idle until it runs smoothly, then rev the motor to full throttle and slowly turn the screw out until it starts to run a little rough, then turn it back in until it clears up, usually about an eighth of a turn. If it still doesn't run right, it may need a carb cleaning and rebuild, or other work. Good luck.

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Peugeot speedfight 2 100cc 4 stroke

not sure type of carb it has, but sounds like it has a float and the float is stuck open so the needle won't seat and stop the gas flow
the float could be stuck open or the float may have a pin hole and the float is filling with fuel holding it open that will make you have to start it with full throtle and most of the time they won't run at and idle, it floods out and will stall

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Husqvarna 455 rancher turn on side then back upright give throttle it dies

is the fuel filter stuck in the tank not allowing it to stay in the fuel when you turn it on it's side?

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I was given a Pioneer chainsaw. It wont start. Has spark good compresion. I pull the carb. off and clean it. It was dirty. Put back together and it still wouldnt run. Can you help me? I dont have the jet...

get a product called START. its made by gold eagle. it is an amazing product. i have used it many times. in their promo they add it to a chainsaw with old gas in it. 2 or 3 pulls and it started right up. i have cleaned carbs and they wont start, add this and they start. the longer it runs the cleaner things get and the better it runs.
the standard settings for the low jet is 1 1/4 turns out. the hi jet is 1 3/4 turns out ,that should allow you to start the saw. Once the saw is started adjust the low jet first, try to get the highest rpm at idle then turn it back out 1/8 of a turn . the hi speed jet is adjusted by holding the throtle wide open find the highest rpm,then back it out until you hear the rpm drop

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2 Answers

Chain saw will idle, but not run at full throtle

First, check the air filter and clean it well. Then make sure the spark plug is clean and gapped properly.

Then prime, start it up, and allow it to idle, even using the trigger to make it fast idle if you can. Using a small thin screwdiver, turn the high speed idle screw on the carb in small increments to the right, kepping the speed up on the trhrottle.

The idea is to screw it out until it sputters, then screw it a half turn back in. If it doesn't smooth out when turning it to the right, try going to the left.

Afterwards you may find it doesn't run at low throttle well. If not, try the same thing starting to turn left until it smooths out. If it doesn't, screw to the right. Again, the idea is to go until it sounds rough, then back off a half turn.

You should be able to adjust it to the point where you can open the throttle all the way with smooth sure throttle increase.

Nov 05, 2009 | Poulan Wild Thing 2375 18" Gas Chain Saw...

1 Answer

Need to adjust 3 screws. I already try to adjust them, but it runs too fast or dies. Cannot get it right. I know I have to turn in low and high all the way and then unscrew about 1 1/4 turn back. Where to...

ok here goes. you are write to wind out the screws 1 1/4 turns +/-

you have 2 scews for the carb jets, the other is the idle speed adjuster. it has a conical shaft which simply open the throtle more as you screw it in. wind this in so that it will run a bit fast . if you can, start the saw. Without pulling the throttle, slowly turn the "low" jet in , or out untill the saw runs faster. if it starts running too fast, adjust the idle speed scew down a little. do this untill it is running best. adjust the idle speed down until the cahin just stops moving. the low speed is now set. now pull the trigger and run the saw full throttle. adjust the "high" jet in or out slightly until it is running fastest. Note..if you turn either screw in too far, the engine will stall.

I hope this helps,

Another thing that could cause problems is if there is an air gap between the carb and the cylinder. check that fixing screws are tight. check that the gasket is ok. some saws have a small rubber manifold between the carb and the cylinder. if this manifold is perferated or damaged,it will let air into the engine, and therefore will not run right.
good luck.

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2 Answers

16'" Wildthing wont Idle after turning the "t" throtle screw

screw it in and then back it out until it idles, may have to keep it running by giving gas and lettting off of gas until you find the correct idle speed

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Will not idle, run away high rives

check the flapper valve at the rear of carb.possile it is loose letting in too much fuel.

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