Question about Husqvarna 350 18 Inch Gas Chainsaw 52CC Fully Assembled Brand New 18"

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I got a Jonsered 2540 Turbo saw, who just starts, go for a couple of seconds,spmetimes minutes, and then die. When died, good spark, checked carb, cleaned,etc. saw is flooded. has to wait approx, 1

Starts, then sputter and stop. Floods when trying to start afterwards. Good spark.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 36 Answers

SOURCE: 345 husqvarna chain saw will not run

If it idles it is not flooding out as it it most vulnerable to flooding at idle if the stalling is happening as you try to throttle it up it is likely starved for fuel. Start by changing the in tank fuel filter, and the spark plug. good chance that will solve your problem. If it does not Turn the high idle screw out in 1/8 turn increments try running the saw after each adjustment. Keep track of the amount that you turn the screw. you might have to put it back to its original position. Some times adjustment screws will vi berate out of adjustment and other times crud will cause fuel restriction opening the screw allows for a larger port for any restrictions to pass through. After you use the saw for a short time turn screw back in if it starts to stall at idle or you notice increased smoke.

Posted on Jan 06, 2009

  • 1 Answer

SOURCE: spear and jackson chainsaw. runs

OK - let's work through this. If you need choke all the time then the mixture is too weak when the choke is off. Putting the choke on literally chokes off the air supply to the engine by lowering a small shutter across the entrance to the carburettor. That means either there is too much air getting to the engine (don't see how!!) or too little fuel. So, how do we get too little fuel? You could check for this as follows;
- before we do anything tricky let's check the obvious things - is there a fresh fuel mix in the tank? Petrol does go off, especially if there is 2 -stroke oil added to it. If it's over a month old from the pump mix up a fresh batch. Is the idle speed set too low so the engine stalls when the choke is knocked off? You can see this screw to one side of the carburettor (you need to remove the top lid in front of the handle on the chain saw, and then remove the air filter to see it). Turn the screw half a turn clockwise to speed the engine up. Be warned - if the engine starts it will run faster than normal and that means the chain may start to spin around. Also - check that the chain brake is off (i.e. the safety lever is pulled backwards, and that the chain is free to move BEFORE you attempt to start)
- is the fuel filter blocked? To get to this, make a wire hook (e.g. thick fuse wire) and gently hook out the fuel filter that's sitting at the bottom of the fuel tank, and take a look at it (be gentle - you can damage the gauze if you are clumsy). Does the gauze look clear? I.e. if you dip it into petrol it will freely run into the filter and of course drain out when you lift it? If not, replace it.
- next stop - are the jets in the carburettor set right? I don't have a service manual for this (and I know the manual says unhelpfully "return for service") but basically you will have seen two holes on the side of the chain saw (below the handle) two small 0.8cm holes; one marked 'L' (for low speed) and the other 'H' (for high). Put a fine flat screwdriver down the L hole and feel for the slot of the low speed jet. Once engaged turn it out half a turn and this will enrich the mixture - if this seems to help and you can start the engine then adjust the L jet in or out until the engine is idling comfortably. If it idles too quickly then you can also turn down the idle screw (see previous paragraph).
- no luck still? Well, it could be fuel pump or a blocked jet in the carburettor but this really is a 'return to the service centre' task!

Good luck!

Posted on Jan 12, 2009

steve_lima
  • 181 Answers

SOURCE: Husqvarna chain saw starts and runs for 20 minutes then stops.

two things could be happening.......first is vapor lock......make sure you breather tube is clear and working........next is ....it could have a bad ignition coil on it.....after the coil gets hot the spark can become irratic or just not work any more.....

Posted on Feb 23, 2009

dontbother10
  • 2220 Answers

SOURCE: 353 husqvarna chainsaw, floods during start process

Husqvarna says the initial carburetor needle valve settings are from lightly seated 1 turn CCW for both H & L.

Your Operator's Manual can be downloaded here:
http://weborder.husqvarna.com/order_static/doc/HOUS/HOUS2004/HOUS2004_1140204-95.pdf
Once flooded Huskys are very hard to start. This works well on my 359.
Start Procedure
Cold:

  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close - sets fast idle) pull starter and listen for an attempt to start. once heard (usually two pulls)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually the next pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close - sets fast idle) choke, - Don’t pull with choke closed.
  4. Push (open - fast idle maintained) choke, pull starter until it starts. (usually first pull)
Hope this helps
Lou

Posted on Oct 03, 2009

rwvanlue
  • 486 Answers

SOURCE: Flooding walbro carb from blower.

The problem centers around the carburetor. The question lies in the condition and operation of the carb initially.
It appears you may need to double check your assembly of diaphragms and gaskets. check for loose welch plugs, adjustment needles in the wrong holes, inlet needle set too high.

*note: metering side diaphragm goes on top of the gasket, fuel pump diahragm has the gasket on top of it.

Posted on Nov 11, 2009

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1 Answer

Saw will start. runs a little sluggish at first. then it will smooth out and rev high and run strong for a few minutes then gets sluggish again and dies. will not start again for 5 to 7 minutes minimum....


Being springtime, I'm thinking you may have had your saw sitting all winter with last years gas in it. If so, you'll need to clean the carburator and spark plug real good, then put fresh gas in it. Always remember to run your saw out of gas before putting it away. Gas only stays fresh for a few weeks and will foul up your sparkplug as well as plug up the inside of your carb when it gets stale.

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After starting and letting it idle for 30 seconds I start to cut but it starts to die when I give it gas it goes for a while then dies


What I do with my stihl saws is after starting I let it warm up for a few seconds and then run it at full throttle for about thirty seconds. If your saw does not want to keep running I would check to make sure air filter is clean. Next you can adjust carb.setting for idle and hi speed,check your manual for instructions. Also I would remove and clean spark plug,check gap and reset or replace as needed. Make sure your gas oil mix is proper and gas has not been setting for a long time,no more than a couple of months without some type of fuel stabilizer. I use either STA-BIL or sea foam at a rate of 2 to4 ounces per gallon of gas. About the only other thing I might suggest is to check the feul filter. They usually are located on fuel pick up line inside gas tank and can be a pain to get to. Good luck and I hope this helps Thanks

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13 hp honda pressure washer 3000 psi 4gal/min Hard to start and dies out after 20 seconds after the engine gets hot and running after multiple starts the engine will stay running but then dies every 30...


There are a couple of things that can cause this problem. The first thing to check is if you are loosing spark. Dying after it gets hot sounds like to stater is failing in the engine. If you loose spark this is more than likely the issue. If you are not loosing spark you need to check the fuel system. Dying after 20 seconds it could also be a plugged main jet in the carb. Another common issue on Honda engines is a faulty vent on the gas caps for engines sold from around 2008 - late 2010. If your gas cap is only about 3/8" thick this is very likely to be your issue. Try running the engine without the gas cap on to see if it still dies. If not that is your problem.

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I have a husqvarna 55 chainsaw was running fine I was cutting a log then the saw just died checked and cleaned magneto. Now I get the saw to start and run but only for a few seconds then it dies.


it sounds like a small piece of dirt is in the main jet of the carb assuming you have good spark. you may need to remove the carb and clean it. if it has a float then the needle may be sticking especially if it had older gas in it over the winter as it gets thick and plugs up the fuel passages. good luck.

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1 Answer

Starts but dies after several seconds


Fuel starvation - 'lean fuel' condition
Basic things to check:
1) spark plug
2) spark arrestor in muffler
3) fuel lines and tank filter
4) turn adjustment needles out (counterclockwise) 1/4 to 1/2 turn
Chain Saws:
5) check impulse tube and intake boot for cracks or leaks
*if all of the above are OK and/or do not improve performance then:
Remove Carburetor
6) replace gaskets/diaphragms
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1 Answer

Will start then die


You didn't provide a lot of details, but I'll give you my two cents. If it's starting easily with just a few pulls and then dying after a few seconds, it's likely a fuel delivery problem. Check the carb to make sure it's getting a full flow of fuel. If it has an adjustable high speed needle, back it out a bit to see if that helps.

If it's running until it gets warmed, be thinking ignition problem OR perhaps a valve problem. Make sure the gas tank cap is the vented type. Make sure the engine fins are clear of debris and mud daubers nests. If someone stuck a cap from a milk jug on the fuel tank, the engine will run for a few minutes until a vacuum is formed in the tank.

If you're having trouble starting the engine, you should be checking spark (strong white spark), checking compression (50 lbs and higher) and fuel delivery through the carb. I usually pull off the carb bowl, if the carb has one, and check to see if there is any dirt in the bowl. If there is, you'll need a carb kit and a fuel filter should be installed between the tank and carb. Hope this helps.

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2 Answers

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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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