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#Post#: 38982--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 22, 2014, 1:02 pm
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It is oem for sure has the s embossed in the top.
#Post#: 38984--------------------------------------------------
Re: Stihl 084
By: Chainsawrepair Date: April 22, 2014, 1:26 pm
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[quote author=jmester link=topic=3453.msg38982#msg38982
date=1398189757]
It is oem for sure has the s embossed in the top.
[/quote]
Here is what I go by. See the 2 (lost for words right now) above
the rings on oem. Afm dont have them.
(HTM) http://photo.blsnelling.com/Chainsaws/NOS-084/i-cCnjvcL/0/M/IMG_5301-M.jpg
#Post#: 38985--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 22, 2014, 1:38 pm
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Has mahle stamped on the skirt on the inside of the piston.
#Post#: 38986--------------------------------------------------
Re: Stihl 084
By: Chainsawrepair Date: April 22, 2014, 2:02 pm
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[quote author=jmester link=topic=3453.msg38985#msg38985
date=1398191898]
Has mahle stamped on the skirt on the inside of the piston.
[/quote]
I never paid attention or over looked that in the past. I had 4
runners even at one time. 2 woods ported, 1 piped race ported,
1 stock.
#Post#: 39010--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 22, 2014, 8:23 pm
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Do you think that I am close in my theory in a lean running
condition that caused the ring to stick and and catch the
exhaust port. Also can you pressure/vacuum test the crankcase
with the piston out of the saw.
#Post#: 39011--------------------------------------------------
Re: Stihl 084
By: 660magnum Date: April 22, 2014, 8:33 pm
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Yes if you seal off the intake, exhaust, & the pressure relief
valve.
#Post#: 39014--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 22, 2014, 9:09 pm
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Thanks I was thinking you could. Just wanted to here from
someone else before I wasted any time. If it leaks through the
decomp then the decomp is bad.
#Post#: 39017--------------------------------------------------
Re: Stihl 084
By: 660magnum Date: April 22, 2014, 9:26 pm
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Yes, and a tight spark plug too.
#Post#: 39024--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 23, 2014, 5:33 am
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Thanks 660. Cut my piston does have the 2 grooves above the top
ring.
#Post#: 39026--------------------------------------------------
Re: Stihl 084
By: jmester Date: April 23, 2014, 7:55 am
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The decomp is leaking won't hold vac or pressure. It is also
leaking on the flywheel side where the generator would mount in
the top threaded hole. If if where your guys saw would you put
new seals, impulse, intake manifold on the saw or just leave it.
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