Craftsman 20" Chainsaw Seized Up

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  #1  
Old 05-06-11, 12:25 PM
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Craftsman 20" Chainsaw Seized Up

Any tricks other than pulling the plug and spraying WD-40 or PB Blaster in the cylinder and let soak to free up a seized chainsaw motor that has sat for a very long time? Could be I'm just afraid to yank the cord too hard for fear of breaking it causing another problem. But I'm sure the cylinder is froze.

I've had this saw for a long time and I don't think Craftsman makes a 20 incher any more, at least not that I've seen.

Is there a better product than WD-40 or PB I should use?
 
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Old 05-06-11, 10:42 PM
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Pb works pretty well. Hopefully the ring isn't stuck too badly in the piston grooves.
 
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Old 05-07-11, 05:43 AM
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Transmition fluid is what I've seen used to unseze boat engines before.
Try removing the spark plug shooting some in and letting it sit a few days, then use a wooden dowel to try and rap the pistons head.
Sears brand named saws were really made by Poulin. Poulin Pro parts fit right on my sears saw.
 
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Old 05-07-11, 10:13 AM
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Some sears saws are built by poulan. I think all the more modern ones are but not all the older ones are. Your model number would tell us.
 
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