Inner Timing Cover Gasket With Or Without Gasket Sealant?

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Jeff in W.C.
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Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Jeff in W.C. »

I hope this doesn't become a thread with a lot of opinions, but should I install the gasket for the inner timing cover dry or with gasket sealant?
Jeff in W.C.
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Kurt in S.A.
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Kurt in S.A. »

Per Snowbum's page, he says no sealant.

https://bmwmotorcycletech.info/timingchain.htm

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gspd
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by gspd »

Grease
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Jeff in W.C.
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Jeff in W.C. »

gspd wrote: Sun Jan 29, 2023 7:35 pmGrease
Grease?? How much and what type--or does it matter?
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by gspd »

I use high temp caliper type grease but any decent grease will work.
Learned this trick in the '70's from an old (now dead) F1 mechanic.
I've done it literally hundreds of times, always with success.

Smear a thin coat all over the gaskets with your fingers.
It'll ooze out as you tighten the cover.
I use it on VC gaskets, diff gaskets, float bowl gaskets, trans cover gaskets, and all other paper or cork type gaskets.
(not for head gaskets obviously)

You might get a bit of sweating for the first few heat cycles.
It won't leak oil and it'll make everything a breeze for the next disassembly, even if that's in 20 years.
Nothing to scrape off, no corrosion.
Most gaskets remain re-usable but I wouldn't recommend that except in a pinch.

Don't forget the 2 washer gaskets at the top bolts.
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Rob Frankham »

I concur... although you can just as well use oil. The grease or oil softens the surface of the gasket and helps it to seal. No sealant required unless the mating surfaces are damaged.

With cork gaskets, you should use water to siften them...

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Jeff in W.C.
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Jeff in W.C. »

GSPD and Rob,
A quick question. Does it matter which side of the gasket the grease is on? I would think not, but just thought I'd ask to be sure.

Thanks again
Jeff in W.C.
1988 R100 RT
2018 R1200 GS
"I've got my motorcycle jacket, but I'm walking all the time." Joe Strummer/Clash
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by gspd »

Grease both sides of the gasket(s).
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Jeff in W.C. »

Thanks
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Re: Inner Timing Cover Gasket With Or Without Gasket Sealant?

Post by Rob Frankham »

gspd wrote: Mon Jan 30, 2023 2:38 pm Grease both sides of the gasket(s).
+1

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