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Old 01-12-2021, 09:36 PM   #1
Riverdancer
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OS108FSR Gaskets



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I am looking for Gaskets to rebuild a couple of OS 108 FSR’s. I believe the part number is 29214000.

Thanks for checking. Douglas

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Last edited by Riverdancer; 01-13-2021 at 01:35 PM. Reason: P/N correction
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Old 01-12-2021, 11:02 PM   #2
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Re: OS108FSR Gaskets


Worst case I make my own. Use good paper stock, spray with contact cement such as 3M77 and set the cleaned surface onto it and let tack up till dry. Use a very sharp Xacto knife and carefully cut away the excess, including any fastener holes.
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Old 01-12-2021, 11:12 PM   #3
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Re: OS108FSR Gaskets


Thanks Gary. I was prepared for that. Lol. I was toying with shim stock to make the head gasket. Have you had any success making them?
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Old 01-13-2021, 03:41 AM   #4
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Re: OS108FSR Gaskets


I think you have the part # mixed up. You have 21294000 and it should be
29214000. The first link is the gasket set from a guy on Ebay, but I don't know about shipping to Canada. The next two links are the gaskets you need and he ships to Canada. Cheers Floyd



https://www.ebay.com/itm/OS-MAX-108F...YAAOSwliVf1PG~

https://www.ebay.com/itm/OS-1-08-FSR...oAAOSwgqRc2b~d

https://www.ebay.com/itm/OS-1-08-FSR...4AAOSwR05c2b~g

Last edited by floyd; 01-13-2021 at 03:47 AM.
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Old 01-13-2021, 08:39 AM   #5
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Re: OS108FSR Gaskets


Fortunately I have never needed to make a head gasket.

Most I saw looked to be made from soft brass or alloy and can stick to the head slot upon disassembly. All the shim stock I work with is stainless and would be far too stiff.

For the price that third option from Floyd should solve that problem.
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Old 01-13-2021, 01:34 PM   #6
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Re: OS108FSR Gaskets


Thanks Gentlemen, looks like the aftermarket gaskets are reasonably priced.

Thanks Floyd, you are correct I mixed up the part number. Lol. I have to lay off the grass before noon.

Thanks Gary, I was thinking copper shim stock annealed. Mmm should work? The aftermarket kits look like they will fit the bill.

I have 3 or 4 used 108’s I want to bring back to life. Oh and 2 new ones lol. Seems l like engines.

Thanks again for your time Gents. Douglas
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Old 01-13-2021, 02:25 PM   #7
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Re: OS108FSR Gaskets


Did you look inside the head the head gasket is I believe aluminum and sometimes gets stuck to the head. I have annealed old copper and aluminum head gaskets, cleaned them with steel wool and they seal up fine.

Dennis
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Old 01-13-2021, 03:02 PM   #8
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Re: OS108FSR Gaskets


Thanks Dennis, Thanks for the info. I appreciate the suggestion. I have had good luck with reusing the old head gaskets. I just like to cover the bases. Douglas
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Old 01-13-2021, 07:13 PM   #9
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Re: OS108FSR Gaskets


You may want to check the new engines for shim thickness as this will control compression ratio. Match new to those and your instructions, such as nitro content and any other specs, should match, as well.
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Old 01-13-2021, 07:59 PM   #10
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Re: OS108FSR Gaskets


Thanks, I have a couple of OEM kits to compare, no troubles.
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