Need help on making or finding a Base gasket for Jonsered 455 and 525

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Finch

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Feb 28, 2011
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I am fixing up 2 jonsereds a 525 and a 455 I got the parts but in need of a base gasket for them.If anyone knows where I can find one or do I have to make one? Please let me know.,.


Thanks
Finch
 
What thickness do I get for new gasket paper..I know I hi temp paper..But what thickness?

Thanks
Finch
 
The thinner the better, in my opinion. That being said I believe 1/32" is the thinnest my local places carry, which is what I typically get. One sheet costs me $5 and I can make a bunch of gaskets with it, sheets are 10"x26". Not bad when you figure base gaskets go for $4-$5 each, plus shipping, on Ebay.
 
I can find 1/64" at most places. You can also use an aluminum can. What you need to do is measure the thickness of the current gasket and then use a piece of solder placed on top of the piston through the sparkplug hole to check the squish. I would shoot for a final measurement of about .020".
 

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