O.S. 40FSR Head Gasket? - RCCanada - Canada Radio Controlled Hobby Forum
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Old 02-16-2009, 08:03 AM   #1
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O.S. 40FSR Head Gasket?

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Just getting back into nitro after a long absence, so dug out this motor from very long-term storage.

Replaced the ring and bearings and was bolting it back together when I realized there was no head gasket when I took it apart. Not sure, but I seem to remember every other O.S. I had back in the day had one.

Anyone have that gasket? An exploded parts list would be nice, but not absolutely necessary.

Also, any idea of what plug this took?
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Old 02-21-2009, 12:45 AM   #2
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Re: O.S. 40FSR Head Gasket?

The "gasket" is a soft aluminum ring. It is probably stuck in the recess where the top of the sleeve goes. It can be picked out with a pin or exacto blade. Removing it will destroy it so do not remove it unless it is damaged. If it looks clean and smooth, use it as is.
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Old 02-21-2009, 07:39 AM   #3
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Re: O.S. 40FSR Head Gasket?

I have one nip. About $5
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Old 02-21-2009, 06:03 PM   #4
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Thumbs up Re: O.S. 40FSR Head Gasket?

Hey there Cougar429

Your gasket is in the mail.. :0) Never heard that before.

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