EVO All Evo Model Discussion

Cometic top end gasket set… another seal ?

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Old Jan 24, 2024 | 02:07 PM
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Default Cometic top end gasket set… another seal ?

Kit came with this seal… I can’t find it in the manual



 
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Jan 24, 2024, 06:10 PM
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Nosecone seal. Thanks to pgreer, I've even got one handy to take a pic. (Dime is there for scale.)

This is what you've got. I would assume its in the kit on purpose.



 
Old Jan 24, 2024 | 02:19 PM
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Its possible it was put in the kit by mistake and no size reference to guess from - picture has it at about 2 inch center could be a inner primary bearing seal
 
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Old Jan 24, 2024 | 02:26 PM
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As Johnjzjz said, without the size reference its hard to tell. Maybe the seal for the camshaft.
 
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Old Jan 24, 2024 | 04:33 PM
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It measures at a little less than 1.00”

I agree it’s probably in the kit by mistake. It sure doesn’t go in the stack.
 
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Old Jan 24, 2024 | 05:03 PM
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What is annoying about cosmetic is they include many years, you will have to and evo seals in a kit.
That reminds me a little of jack shaft from a primary kit.
 

Last edited by Rounders; Jan 24, 2024 at 05:04 PM.
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Old Jan 24, 2024 | 05:14 PM
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Might be camshaft to cover seal. Does it have any numbers on it?
 

Last edited by Yankee Dog; Jan 24, 2024 at 05:41 PM.
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Old Jan 24, 2024 | 06:10 PM
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Nosecone seal. Thanks to pgreer, I've even got one handy to take a pic. (Dime is there for scale.)

This is what you've got. I would assume its in the kit on purpose.



 
Old Jan 25, 2024 | 06:13 AM
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If he bought a complete engine kit it should have nose cone gasket as well.. the cam measures 1.020" so 0maha is correct..
@GOGOBECK do you have the part number of the kit? Thanks..
 
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Old Jan 25, 2024 | 10:08 AM
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Well, this seal didn’t get replaced !! 🤦🏻‍♂️

Cometic: DS172080

I’ve done cam swaps in the past and don’t remember needing to replace this seal.
 
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Old Jan 25, 2024 | 02:24 PM
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From: la la land jerzey
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When your 75 miles from home and oil is leaking out of the cone cap and wire hole you will re think that idea
 
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