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Stihl 028 WB Rebuild

Discussion in 'Chainsaw' started by Churine, Jul 9, 2018.

  1. Churine

    Churine ArboristSite Lurker

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    I am new here and wanted to post here about my new project. A little background. I’m a Marine heading over seas for a year and wanted to take a project with me to keep me busy on my down time. I have a Stihl 028 WB. I have gotten it running but it is spitting fuel out of the carb and flooding the filter and then it will die. So I plan to tear it apart and rebuild it. I have read the other builds on here and have gotten a lot if information. I will most likely have questions over time and will post them up here. This is my first project like this so it will be a learning experience.
     
  2. HarleyT

    HarleyT Addicted to ArboristSite

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    Pop on a good used 029/ms290 coil on it and do away with the points!
     
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  3. Churine

    Churine ArboristSite Lurker

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    My first issue I am running into is finding a muffler. The PO modified one to fit it but it’s not working right. This is a hard muffler to find without breaking the bank. Are there any mufflers from other Stihl models that will fit? Thanks for the help.
     
  4. BuckthornBonnie

    BuckthornBonnie ArboristSite Operative

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    Is it the muffler with the side hole through the case? Pics of case if ya can.
     
  5. Churine

    Churine ArboristSite Lurker

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    Yes. It has a side hole in the case to mount it.
     
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  6. Churine

    Churine ArboristSite Lurker

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  7. Churine

    Churine ArboristSite Lurker

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    This is what I am starting with. The bar was bent so I took it off and will be getting a new bar and chain.
     
  8. HarleyT

    HarleyT Addicted to ArboristSite

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    Most guys here have a stack of 028s laying around....
     
  9. Churine

    Churine ArboristSite Lurker

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    Ok. Hopefully someone will chime in at some point. I will have to find a coil as well.
     
  10. HarleyT

    HarleyT Addicted to ArboristSite

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    Take off your starter and snap a pic.
     
  11. Churine

    Churine ArboristSite Lurker

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  12. HarleyT

    HarleyT Addicted to ArboristSite

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    You already have the newer style coil.

    Never mind!!
     
  13. CsClimbr

    CsClimbr Ex-Climber with CAD

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    Don’t mean to hi-jack the thread at all but are the 028/038 intake boots interchangeable?

    Reason I ask is I did an 028 rebuild awhile back for a buddy, diggin’ through 028 parts and came across a boot but the googled OEM part number shows 038. Wondering why i have one new in package..

    Edit: Stihl have MS290 OEM coil if needed..
     
  14. DND 9000

    DND 9000 ArboristSite Operative

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    The intake boots for the 028 and 038 are not interchangeable. Also different part numbers.
     
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  15. Churine

    Churine ArboristSite Lurker

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    So I got ahold of a muffler and the entire chain brake assembly. Will be shipped out tomorrow. The movers came today and packed up all my stuff to go over seas. Won’t see it for a month but when I get going on it I’ll post back up my progress.
     
  16. TheTone

    TheTone ArboristSite Operative

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    Good luck and as used to be said every week on Hill Street Blues, be careful out there.
     
  17. Churine

    Churine ArboristSite Lurker

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    I pulled the muffler off the other and found there is some serious scoring on the piston. I am wondering if I should buy a new piston and rings and have the jug cleaned and honed or upgrade to the 46mm. I have read all the other builds and replacing the piston and jug seem to be the thing to do. Just don’t know if I want to spend the money on it.
     
  18. Churine

    Churine ArboristSite Lurker

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    If I put a 46mm jug on it will the original muffler fit?
     
  19. Churine

    Churine ArboristSite Lurker

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