Author Topic: Husqvarna 562xp autotune  (Read 12364 times)

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Offline farmboy

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Re: 562 Xp auto tune
« Reply #90 on: August 10, 2014, 08:12:58 am »
Mitch, I can see a bad decomp lowering comp, but I don't see how air can be sucked in there? Care to explain.

I don't believe air does get sucked in.  Warm days and hours of the software attempting to make a spec rpm/hp on a saw with very low compression is likely the cause.  The few I hooked up were very lean.
I think i'll just plug mine when I put it back together.  Another note what about using a Stihl decomp from 361,391, 441.  Not heard of any probs on them leaking.
Shep

Offline Bluegill

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Re: 562 Xp auto tune
« Reply #91 on: August 10, 2014, 04:31:00 pm »
Quote
I will PM you Mitch. Very very known.  I was floored when I found out it was ported and by whom.
It does make a diff who ports it and if they are having a good day, or not. I ran my muff modded 562 against a ported one and a ported ms362. It ran right with the ported 562 and was faster than the ported ms362.

Offline Cut4fun .

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Re: 562 Xp auto tune
« Reply #92 on: August 10, 2014, 04:44:52 pm »
Quote
I will PM you Mitch. Very very known.  I was floored when I found out it was ported and by whom.
It does make a diff who ports it and if they are having a good day, or not. I ran my muff modded 562 against a ported one and a ported ms362. It ran right with the ported 562 and was faster than the ported ms362.

I was shocked to say the least. Goooooo 665.   Glad the other guy didnt do the stock 562 against his unbroken in 665 now in dry 12x12 cant. It could have been ugly.

It makes me trust the guys I know that can make a strong saw even more now. Not just talk and hype of new guys not really knowing what is a good one is.

Offline stihls066

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Re: 562 Xp auto tune
« Reply #93 on: August 11, 2014, 03:56:09 pm »
Thats what im seeing mitch. Lean seizure due to deco valve leeking. I started plugging every deco coming through on the auto tunes. Videoed a 545 that came in the other day that customer said kept stalling. Sprayed soapy water on deco and bubble ville. Saw was only 2 months old moderate use and was at 120 comp
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Offline jmester

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Re: 562 Xp auto tune
« Reply #94 on: August 12, 2014, 08:53:48 am »
Does husky pre install the piston pin clip in one side like stihl does on a new piston and cylinder kit?
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Offline KilliansRedLeo

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Re: 562 Xp auto tune
« Reply #95 on: August 12, 2014, 12:07:47 pm »
Does husky pre install the piston pin clip in one side like stihl does on a new piston and cylinder kit?

Not in my experience does HVA do that, even on a Stihl repair I check the pre-installed clip just to make sure.
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Offline jmester

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Re: 562 Xp auto tune
« Reply #96 on: August 12, 2014, 04:35:53 pm »
Well I tore it back down to make sure. And yes there was one in there. I remember checking to see if it was in there. Then put it together and could not remember if it was there.

Any thing special I need to do when I first start this saw? This is my first to rebuild an auto tune saw or even start or run one for that matter.
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Offline KilliansRedLeo

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Re: 562 Xp auto tune
« Reply #97 on: August 12, 2014, 09:03:35 pm »
The factory specifies/suggests that the AT computer be reset using the Auto-Tune software after a major rebuild.
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Offline jmester

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Re: 562 Xp auto tune
« Reply #98 on: August 13, 2014, 06:17:25 am »
I got the diagnostic tool from hva. And have already reset the autotune.  Any thing else that may come to mind?
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Offline jmester

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Re: 562 Xp auto tune
« Reply #99 on: August 13, 2014, 08:01:33 pm »
Got it going today. Not a bad saw. Pretty cool to just start it and go with no adjustments. Thanks for the help.
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