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Stihl MS271

Discussion in 'Chainsaws' started by Powerstroke#7.3, Oct 10, 2019.

  1. Powerstroke#7.3

    Powerstroke#7.3 New OPE Member

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    Hello everyone. I was given a MS271 because it wouldn't run anymore. The tag has worn off so I can't give you model/serial #'s but I know enough to know that it is the older style with the bolt on intake, not the round clamp on intake. It is only pushing 60 psi compression and will not crank even if gas/starter fluid is pored directly into the cylinder. Has good spark as well. My question is what can I do in regards to rebuilding this saw. Can I go up in cylinder size without changing the crank, or down for that matter. I want to try a knock off cylinder rebuild kit but even those are hard to find for a 271. If I have to buy a $200 kit then this saw will just go into the scrap pile and I will move on. Thanks for any and all the info you can tell me about this thing!
     
  2. Mkinslow

    Mkinslow Pinnacle OPE Member

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    Welcome to the chaos lol,what part of Tennessee you in?

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  3. Mkinslow

    Mkinslow Pinnacle OPE Member

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    With that low of compression I'd say piston and cylinder are scored, cylinder may be able to be saved and you can get away with a new piston. Pictures would help us determine that with you also

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  4. Powerstroke#7.3

    Powerstroke#7.3 New OPE Member

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    I agree that more than likely the cylinder is toast as well. Any scratch is devastating since you really can't hone these engines out with them having plated cylinder walls. Was wandering what my choices are with parts before I even dig into it. Was looking at other threads on here and it looks like a 291 is a compatible parts swap/upgrade as far as cylinder and pistons go.
     
  5. Mkinslow

    Mkinslow Pinnacle OPE Member

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    It's not always a complete loss, your at least gonna have to tear into it enough to see how bad it is

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  6. Mkinslow

    Mkinslow Pinnacle OPE Member

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    You'll also want to figure out what caused the piston and cylinder to be scored

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  7. Powerstroke#7.3

    Powerstroke#7.3 New OPE Member

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    Ok I will holler back after I tear it down. Oh and I am an hour north of Nashville. I missed that question earlier, sorry.
     
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  8. Mkinslow

    Mkinslow Pinnacle OPE Member

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    No worries bud,I'm about 45 minutes south of Nashville in muary county

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  9. Chainsaw Addict

    Chainsaw Addict GO HOOSIERS

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    Pressure and vac test before tearing apart?

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  10. Mkinslow

    Mkinslow Pinnacle OPE Member

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    I would,but some don't have a way of doing that

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  11. Powerstroke#7.3

    Powerstroke#7.3 New OPE Member

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    Well before I dragged everything out I pulled the muffler off and looked inside. Not good.... I could tell it was screwed and that’s putting it lightly. Yanked it all apart and the crank bearing had come apart and sent metal all through the engine. Top of piston looked like it was attacked by a jack hammer, metal imbedded in the cylinder wall etc. Needless to say it’s toast. By the time I replace all that is damaged I could just buy a good saw for less.
     
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  12. Mkinslow

    Mkinslow Pinnacle OPE Member

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    Yeah that's not good, if it was a more desirable saw and magnesium case and all it would be a different story, sorry bud

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  13. Chainsaw Addict

    Chainsaw Addict GO HOOSIERS

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    Good deals will come to those who wait. Just be prepared to jump on them.
    Basically brand new ms 362, 5 of six oil, case, nib extra 24 ES bar. $400. He had to make car pmt b4 repo.

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  14. homeheater

    homeheater Well-Known OPE Member

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    Wrong thread. That belongs in YOU SUCK!
     
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  15. Chainsaw Addict

    Chainsaw Addict GO HOOSIERS

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    Yup. I sold just the saw without goodies $620.
    I didn't need it but snapped up a good deal

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  16. homeheater

    homeheater Well-Known OPE Member

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    Nobody needs more chainsaws, but who doesn't want more chainsaws.
     
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  17. Powerstroke#7.3

    Powerstroke#7.3 New OPE Member

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    Just think of all the saws we would by if they did different color choices. Camo, flannel, cancer awareness....But babe, I got to buy this its for a good cause! LOL!
     
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  18. Chainsaw Addict

    Chainsaw Addict GO HOOSIERS

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    But then my wife could tell them apart. She sees me with just 2 chainsaws at a time.

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