stihl 028 super smokes when hot

shermersMay 23, 2010

Hi I have a 25 year old stihl 028 super that I love and wonder if it is worth saving.

It still cuts great, but when it gets hot, white smoke comes out from under the sprocket cover. I also can't adjust the carb so that it will idle properly when cold, but not run the chain when hot. Is this all my inablility to propery adjust the carb, or do I have other problems?

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Ubique(Pac NW)

Sounds to me like an air leak. I have had that happen (not the smoke part) with a Craftsman and my small Husky 36. In both cases it was air leaking into the crankcase and , because of the way 2 stroke engines draw fuel through the crankcase, it upsets the whole air/fuel thing.
I used the Crafstman for a trainign aid by cutting it up and I'm about to garbage the Husky. In my experience, unless you are a very infrequent user, it does not pay to buy cheap. My next small saw will be a Stihl arbourist model.

    Bookmark   May 23, 2010 at 12:22PM
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I have 2 33 yr old 041 Farm bosses. If you have the manual still, try ordering the seals. Or mebbe find diagrams on line. The old stuff has good build quality and is wicked easy to work on.

    Bookmark   May 23, 2010 at 9:18PM
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