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My husqvarna 254 run great but she idle too fast ,ill set the low needle and when i set the idle one nothing chang

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Machines that idle too fast and eill not alter with the idle screw either has the throttle butterfly on the throttle spindle loose and sticking, or the machine is drawing in air through a crank seal or gasket.

Posted on Jan 18, 2013

  • reginald godin Jan 19, 2013

    Thank you for youre help.But ill allready check these thing except the crank seal and i thing now that probleme occur after my spring chain brakebecause she was used or maybe of the realy cold weather in my place.I,ll already ordered one from california usa and that gona take eight to twelve days to come but i realy appreciate you help and thank you from nb canada.Reggie

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SOURCE: Husqvarna 357 XP Hard starting when warm.

I work for warcks county council, the husky 357xp is our main saw. We've experienced the same problem with many of our new 357's. after many hours of trying to solve the problem (including swapping carbs from old broken saws etc) i stumbled upon, by fluke i'm afraid, a problem with the ngk bpmr7a spark plugs. They seem to work fine for a short period of time (even new out of the box) then leak compression from the cylinder. We are running a esser rated bosh spark plug which seems to have eliminated the problem, (can't remember the number, sorry). We have now ordered champion plugs to replace the stock. Probably worth a try. Hope this is of some help.
Kieran Tursner

Posted on Mar 15, 2009

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I need to know the high and low settings on husqvarna35


Turn both jet needles CW to stops (lightly), then turn each screw out CCW 1-1/2 turns. 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 H needle CW until the engine starts to speed up, but still 4-stroking. Proper final adjustment is when the engine 4-strokes unloaded, but immediately 2-strokes when cutting. Release the throttle and adjust L needle CW for better idle, but still allows the engine to 'follow the throttle'. Set the idle speed screw so that the chain stops turning, but the engine will continue to idle. Hope this helps!

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How many turns out is the High and Low screws suppose to be adjusted. Also how many turns out is the larger idle screw suppose to be.


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. Before adjusting anything, check the fuel filter, air filter and muffler for plugging. Start the engine and allow to warm up. Pull the throttle full on and adjust H needle CW until the engine begins to speed up, but still 4-stroking. Correct adjustment is when the engine 4-strokes running free, but immediately 2-strokes when cutting. Release the throttle and adjust L needle CW for better idle, yet allows the engine to 'follow the throttle'. Adjust idle speed so that the chain stops turning, but the engine continues to idle. Hope this helps!

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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

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1 Answer

Want start


Read the warm start procedure from the operators manual.
1. Pull choke (sets fast idle)
2. Push in choke (fast idle retained)
3. Make sure ignition is on, pull (usually once on my saw)
4. Advance throttle slightly to release fast idle.
I made the mistake ONCE of not setting the fast idle. My shoulder gets sore thinking about it. HTH
Lou

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