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       #Post#: 66378--------------------------------------------------
       Re: Stihl MS390
       By: Chainsawrepair Date: December 14, 2015, 4:58 pm
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       That was it.
       Ran my Stihl Redneck fuel line bypass it works like a charm.
       Redneck fuel line repair 1  ;D .   aftermarket stihl fuel line 0
       >:(
       Pics loading
       #Post#: 66380--------------------------------------------------
       Re: Stihl MS390
       By: Chainsawrepair Date: December 14, 2015, 5:05 pm
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       The aftermarket fuel line with the silver dot is where it kinks.
       You can feel a thin spot in the rubber right there too.
       Unlike the oem that feels thicker walled.
       I tried to shorten the end to take out the kink but nothing
       helped.
       Also had a primer bulb fall apart on a husky 350 I installed it
       on. Just a bad day for aftermarket parts.
       So I ran my redneck fuel line method and she runs like a charm
       now. Just have to reuse old tank grommet from original line.
  HTML http://s59.photobucket.com/user/doemaster789/media/Projects/REDneckAFMbs%20008_zpstm6mq062.jpg.html][img<br
       />width=600
       height=450]
  HTML http://i59.photobucket.com/albums/g289/doemaster789/Projects/REDneckAFMbs%20008_zpstm6mq062.jpghttp://s59.photobucket.com/user/doemaster789/media/Projects/REDneckAFMbs%20006_zpsp3oaonnk.jpg.html][img<br
       />width=600
       height=450]
  HTML http://i59.photobucket.com/albums/g289/doemaster789/Projects/REDneckAFMbs%20006_zpsp3oaonnk.jpg
  HTML http://s59.photobucket.com/user/doemaster789/media/Projects/REDneckAFMbs%20004_zpsxkgo5gmw.jpg.html][img<br
       />width=600
       height=450]
  HTML http://i59.photobucket.com/albums/g289/doemaster789/Projects/REDneckAFMbs%20004_zpsxkgo5gmw.jpg
  HTML http://s59.photobucket.com/user/doemaster789/media/Projects/REDneckAFMbs%20002_zps6k90u8ux.jpg.html][img<br
       />width=600
       height=450]
  HTML http://i59.photobucket.com/albums/g289/doemaster789/Projects/REDneckAFMbs%20002_zps6k90u8ux.jpg
       #Post#: 66424--------------------------------------------------
       Re: Stihl MS390
       By: Chainsawrepair Date: December 15, 2015, 2:31 pm
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       Just finished test cutting and called the owner.   Another
       redneck fix approved.
       #Post#: 66486--------------------------------------------------
       Re: Stihl MS390
       By: Chainsawrepair Date: December 16, 2015, 6:33 pm
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       Aftermarket stihl fuel line
       I cut the aftermarket and oem fuel lines today to look at wall
       thickness of the kink area.  The oem is almost 3 times as thick
       on the walls and centered.  The aftermarket is off centered and
       thin walled compared to oem.  I will get a pic this week.
       #Post#: 74435--------------------------------------------------
       stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 15, 2016, 5:44 pm
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       Well this stihl 290 finally had to come back in today.
       Issues, no start and rattling.
       I ask owner if he had a minute as I thought I knew what the
       rattle was.  Got the muffler off and showed him how it was
       disintegrated  inside.  Also looks like something might have
       chipped  :-X the top right edge of piston.  Otherwise piston
       looks fine. Maybe been that way since new or he got lucky and it
       spit it right back out back into muffler.  :-\
       Order a muffler and see about the start issue later.   Also
       needs a new 18" bar bad.
       8) update: just got off phone and new b+c approved. Told him
       will order once it is running.   OKed for the muffler mod
       treatment on the new muffler.  :P
       #Post#: 74448--------------------------------------------------
       Re: stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 16, 2016, 6:26 pm
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       Up and running. New plug and plugged tank vent.  Now to wait on
       new muffler, B+C etc.
       Plug was lose and gap was almost closed. Need to ask owner if he
       had plug out and dropped it checking things on his own. Then
       didnt put in all the way.
       The chain was one of those ones you just shake your head at  :o
       ::) . Had to be alot of vibrations to the saw.
       #Post#: 74453--------------------------------------------------
       Re: stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 17, 2016, 4:17 pm
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       Talked to owner. He never removed plug.  So plug got loose and
       something closed that gap. I still think foreign material from
       inside the muffler that had ratteled apart got back into it.
       There is a small chip on the left side top of piston right if
       looking in. Plus today looking inside around the inside of
       sparkplug could see little tiny molten type balls. Looked closer
       and could see them on top of the piston too.
       Got a pic of what I removed from it and seem magnetic as they
       stuck to the magnet bowl.  Pic of the chip in piston didnt come
       out and the balls on top of piston but they didnt come out
       either. .
       #Post#: 74457--------------------------------------------------
       Re: stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 18, 2016, 11:48 am
       ---------------------------------------------------------
       [quote author=Cut4fun . link=topic=3776.msg74453#msg74453
       date=1479421059]
       Talked to owner. He never removed plug.  So plug got loose and
       something closed that gap. I still think foreign material from
       inside the muffler that had ratteled apart got back into it.
       There is a small chip on the left side top of piston right if
       looking in. Plus today looking inside around the inside of
       sparkplug could see little tiny molten type balls. Looked closer
       and could see them on top of the piston too.
       Got a pic of what I removed from it and seem magnetic as they
       stuck to the magnet bowl.  Pic of the chip in piston didnt come
       out and the balls on top of piston but they didnt come out
       either. .
       [/quote]
       So what am I seeing here? This is what I could save removing
       them.
       #Post#: 74478--------------------------------------------------
       Re: stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 19, 2016, 3:55 pm
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       Muffler and bar + chain came in early.  AFM Muffler much lighter
       then the oem, like how the aftermarket is built.  IMO that can
       be a good thing on these weight wise.
       Muffler modded and tuned with new set up.
       Never did figure out where those metal type very small beads
       came from. Just going to guess from inside the muffler. Cleaned
       up best I could and checked over and over and seemed to got it.
       Also looks like some detonation on the piston above ring area
       and edge. Guessing running old mix.
       #Post#: 74480--------------------------------------------------
       Re: stihl 290 310 390 029 039
       By: Chainsawrepair Date: November 19, 2016, 7:52 pm
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       Archer bar and chain for the budget minded firewood cutter.
       Aftermarket muffler drilled out in middle. Both sides already
       open nicely as arrived. Deflector opened up some.
       CCC caps from ebay per owners request. He likes them over flippy
       cap big time.
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