Husqvarna 395 quality control and questionable origin

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drf255 said:
Here ya go

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Looks good! Would love to see inside near exhaust port and near top of cylinder with a bright light if you have a minute.

I don't see artifacts of scoring or seizing on yours, telegraphing through the hone pattern.


And ftr:
I HAVE seen casting blemishes on different cylinder bores that do Telegraph through the factory hone finish, but I have NEVER seen them that are as large and linear and perfectly placed, isolated only to zones that indicate rings seizing and pistons scoring.

They are in my experience always much more irregular in shape. Random and small.
 
Paracelsus said:
thanks for sharing! Your cylinder is a great example of what mine *should* look like


Where are the deeper valleys in yours that run vertical with the stroke from previous scoring? Or the horizontal, parallel ones *2 where piston rings previously seized to that cylinder before it was honed, but not enough material removed uniformly to erase them?


Weird. I don't see the deeper grooves where piston rings were seized to the cylinder

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Like honing this:

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The remaining, longitudinal to the stroke of the cylinder, valleys from vertical scoring exhaust side (blue)

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Like honing a cylinder after damage with a piston like this:

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or the big gouge in the piston where a piston stop was slammed into the piston head in changing out the sprocket.

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Rehone one of the cylinders below, and don't remove material uniformly to the depth of all the scoring gouges and you'll be looking at a cylinder like the one above. That's the point.




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Inb4 "muh casting errors" Weird that these Are parallel like piston rings seizing near top of stroke on cylinder.
Weird that the vertical gouges exist on only the exhaust side of the cylinder...


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There are multiple, easily discernable differences between this cylinder and a new cylinder. I marked them in blue and red to make this abundantly clear.

There are none discernable between this cylinder and one that overheated, seized and scored the cylinder and was sanded of the high spots in an attempt to rebuild the top end without replacing the jug, but enough material was not uniformly removed to remove the artifacts.



No one. I repeat, no one. Has addressed that.

I hear a lot of "variances" "haha chain brake" "buyers remorse"


I don't hear anyone who has also rebuilt engines, addressing these existing parallel and equal spacing to the piston rings for this saws piston.


The vertical valleys from gouges not fully sanded out that exist

only! On! The! Exhaust! Side!


While I do enjoy being mocked and derided when bring evidence and make a valid point. I Don't know, maybe have your rebutal refute that with corresponding evidence?
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While I see where you are coming from to a certain point, but if you're looking for guys to side with you I dont think your going to find that here whether your right or not. The way you've come across hasn't been very humble yourself. There are some great guys who have given you advice about the saw overall as well as specifics to the chain break. Not only are they great guys, they are very experienced. Why argue with them, if you are so sure someone wronged you then return the saw and then follow the proper channels for making a complaint.
You've come to the site asking for help/advice, but then you tell how experienced you are and how everyone is wrong. You have the saw in front of you, remember we don't. There's a reason I don't do estimates for tree work via text or emails based on pictures and what someone else is telling me unless its someone who I know will give me an accurate rundown of the site/trees.
 
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Andyshine77 said:
You don't know what you're looking at, the discoloration is simply fron the ring sitting in one spot for awhile, it shows zero signs of ever seizing. Again your lack of knowledge is so profound you actually think you know what is what, like flat-earthers.
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Got a lot of saws from different makers from 50's to 2019. Worked on a lot more. Never seen one do this from sitting. Guess I cut a lot of wood, do regular maintenance to keep them sitting less than a 2019 saw *and* I'm a know nothing moron.

Have seen hone jobs that left artifacts from previous seizing and overheating and scoring that are consistent with this.


Hate it when my pistons get the faces gouged from sitting too long!!! /s

Occam's razor

Simplest explanation..
 
Paracelsus said:
When you don't see any idiots around you, that's when it hits you. I must be dumb as hell today. you mean like this blue poly film?

It's still printed/ screened on not laser etched. Though I don't see the problem as, China for example, surely has lasers capable of engraving.

But yes, that's why I shared that photo, to cover the layer of oil and film over it: again, what I'd expect from China factories. Not from a brand like Husqvarna or Stihl


... You can ask, and I'll tell you in pm. It's one of the 2 dealers google will find. I don't wan't to post it in this thread as, while I definitely View attachment 760822 don't think this saw is straight from the factory, (because of things like oil all over cover.) I knew there was a possibility and in fact I was wrong about a number of concerns. Else it destroys a companies reputation when future readers might skim through.
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chipper1 said:
While I see where you are coming from to a certain point, but if you're looking for guys to side with you I dont think your going to find that here whether your right or not. The way you've come across hasn't been very humble yourself.
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*scratches head*


Right then.
 
Paracelsus said:
View attachment 760990

Got a lot of saws from different makers from 50's to 2019. Worked on a lot more. Never seen one do this from sitting. Guess I cut a lot of wood, do regular maintenance to keep them sitting less than a 2019 saw *and* I'm a know nothing moron.

Have seen hone jobs that left artifacts from previous seizing and overheating and scoring that are consistent with this.


Hate it when my pistons get the faces gouged from sitting too long!!! /s

Occam's razor

Simplest explanation..
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The indentation is from the machiming process.[emoji17]
 
cuinrearview said:
Kinda what I've been thinking all along about this back story you're so "sure" of about this saw...
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okay here's mine:

Either torched Saw taken back by dealer, or demo saw torched, gone through haphazardly in effort to spit shine and flip it back out as new.

(It explains everything with the cylinder, the gouges *underneath* the hone, the orbiting ring valleys *beneath* the surface of the hone finish, the plug having more hours than the hone finish, the damage to piston head from a piston stop, the oil all over the case post assembly, the haphazard way it was put back in its battered box.)


In fact, Andy's idea was that it was "probably a demo saw"

And thank you Andy, it was in the back of my mind and as soon as you said it I had to get a look inside first. That was a great point.



Whats the more elegant solve? I must have missed the alternate solution that explains a more probable occurrence of all these and the placement of them inside the cylinder.
 
Paracelsus said:
Whats the more elegant solve?
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Uh, it was ran some? And the chain brake was on.

Demo, return, whatever. Maybe it sat for a while after being ran, and that created whatever it is you think you're seeing on the cylinder walls. If that piston was by itself it could pass as new. Even a small amount of run time would leave deposits. The mark in the middle could be from a stop, but it also could be a centering Mark from a lathe. Hell, it coulda been dropped at the factory. It doesn't matter.

Bottom line, it's time for you to **** or get off the pot. Run this thing, tear it down to prove the world wrong, or return it. Otherwise this is just a bunch of speculation. You've called the shadows and honing marks something different each time you've drawn on the pictures and posted. If anything that steals from your credibility.

What are you going to do next with it?
 
My cheapest chicom saw doesn't have a cylinder that looks that marked up, even my torched gz400 cylinder doesn't have a ring mark near as bad as his saw has.
 

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