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post #1 of 18 Old Jul 27th, 2014, 8:20 pm Thread Starter
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exhaust gasket rings

Currently spending weekends stripping down the bike to change the clutch, and took the exhaust off yesterday.
I noticed in Clymer manual it said "change gaskets" when reinstalling....
trouble was I didn't notice anything that looks like a gasket when I took it off.
Check the MAX BMW fische it says there are "gasket rings" that look like big crush washers.



Can they get stuck up on the engine as they certainly weren't on the exhaust?
At work at moment so won't get to look again till tonight...

Guess I need to buy 4 for the re-install?

Chris
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post #2 of 18 Old Jul 27th, 2014, 8:24 pm
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Re: exhaust gasket rings

Should be there, maybe stuck in the head

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post #3 of 18 Old Jul 27th, 2014, 8:28 pm
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Re: exhaust gasket rings

Yes, they look look just like the picture, but they will be somewhat flattened out now. And yes, they pretty much always stick up in the head. You can pop them out with will a small screwdriver or pick.

That being said, unless one or more of them were leaking, which is highly unlikely, you don't need to change them.

GB

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post #4 of 18 Old Jul 27th, 2014, 8:33 pm Thread Starter
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Re: exhaust gasket rings

Thx guys. No signs of leaks but for a couple of bucks I'll put some new ones on I guess to make sure.



sigh.. just rang our local stealer... as usual parts are about 30%-50% more than in US.... US$2.21 each on MAX site, Au$3.76 each here....
this is one item I missed ordering from the US, although I bought a set of 4 for Linton (Axle)... damn it.

Wonder what else I've missed...

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Last edited by cws; Jul 27th, 2014 at 8:44 pm.
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post #5 of 18 Old Jul 27th, 2014, 9:12 pm
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Re: exhaust gasket rings

Put a little grease on them before you install them in the head & they will stay there while you install the exhaust system.

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post #6 of 18 Old Jul 28th, 2014, 1:28 am Thread Starter
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Re: exhaust gasket rings

Will do, thx Dave.
Your 30mm cutout got put to use the other day, but I've forgotten what that other short round tool/device with the 2 brownish rings I got off you was for, guess its a seal depth something or other... been too long getting around to this.
Will have to do some more research... I know I bought it for a reason...


thats was quick - found it... "custom made reinforced 14 mm socket for the swing arm pivot pins" ;-)

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post #7 of 18 Old Jul 28th, 2014, 8:19 pm
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Re: exhaust gasket rings

This is what they look like after they are crushed and carboned up a bit.
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post #8 of 18 Old Jul 28th, 2014, 8:22 pm Thread Starter
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Re: exhaust gasket rings

Thx John, that's what I saw when I put a light under the engine.
Picked up new ones this morning so the old will come out.
cheers

Chris
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post #9 of 18 Old Jul 28th, 2014, 8:26 pm
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Re: exhaust gasket rings

Quote:
Originally Posted by saddleman View Post
Put a little grease on them before you install them in the head & they will stay there while you install the exhaust system.
Dave, do you know if silicone grease causes any issues with O2 sensors like RTV silicone does? Just curious if you used regular old grease for sticking them on.


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post #10 of 18 Old Jul 28th, 2014, 8:28 pm
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Re: exhaust gasket rings

Quote:
Originally Posted by deanwoolsey View Post
Dave, do you know if silicone grease causes any issues with O2 sensors like RTV silicone does? Just curious if you used regular old grease for sticking them on.
It is the out gassing of acetic acid from the RTV that kills the sensors. Silicone grease does not do that.

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post #11 of 18 Old Jul 28th, 2014, 8:37 pm Thread Starter
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Re: exhaust gasket rings

is a little bit of 3% moly grease OK to use?

Chris
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post #12 of 18 Old Jul 28th, 2014, 9:03 pm
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Re: exhaust gasket rings

Any grease is fine. I always re-torque the nuts several times over a few hours because the rings take a little time to compress.

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post #13 of 18 Old Jul 28th, 2014, 9:04 pm Thread Starter
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Re: exhaust gasket rings

Good tip, thx Dave.

Chris
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post #14 of 18 Old Jul 28th, 2014, 10:34 pm
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Re: exhaust gasket rings

Quote:
Originally Posted by jzeiler View Post
It is the out gassing of acetic acid from the RTV that kills the sensors. Silicone grease does not do that.
Thanks John. I knew it was some type of gas the RTV gave off. Didn't know if maybe heating up the regular silicone based grease might do the same. The only stupid question is the one I should have asked after it costs me money or pain.


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post #15 of 18 Old Jul 30th, 2014, 2:08 am
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Re: exhaust gasket rings

Hi CWS as you have now bought new rings my response here is kind of a mute point. However I had been going to suggest this product.
http://www.supercheapauto.com.au/onl...d=129932#Cross

Back home we would use Gun Gum Putty to seal new systems so they had a chance to carbon up inside. Also repaired old systems giving a little longer life span.

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post #16 of 18 Old Jul 30th, 2014, 2:12 am Thread Starter
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Re: exhaust gasket rings

Hey thanks Richard.... good to know for future anyway. Would have been half the price of the new gasket rings and I have a Supercheap account card too! It's one of the places where I get my oils and other basic stuff.
Thanks for looking, very appreciated!

Chris
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post #17 of 18 Old Jul 30th, 2014, 2:17 am
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Re: exhaust gasket rings

Anything for my Aussie friends. Had been looking at living their with my cuz in Cairns but ended up in Canada with the lovely long winters Brrrrrrr. Wife and daughters still hating me. Lol. yeah that putty I mentioned just needed a smear would work well and cleaned of easy on removal, great stuff. Same as the Permatex in Aus

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post #18 of 18 Old Jul 30th, 2014, 6:29 am
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Re: exhaust gasket rings

Quote:
Originally Posted by jzeiler View Post
This is what they look like after they are crushed and carboned up a bit.
Looks like that one was leaking a bit.

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