Author Topic: Liquid Gasket Sealants  (Read 5993 times)

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Offline PEZBerq

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Liquid Gasket Sealants
« on: May 24, 2008, 09:00:15 pm »
What's the deal with the liquid gasket sealants available these days  ???.  Can you use it on crankcase halves if you dont have a paper gasket available?  What about reed valve assemblys.  I have some Threebond Grey - is it any good? Cheers Steve
Husqvarnas: 78 390AMX, 82 430XC, 84 240WR, 84 500AE, 84 510TE, 87 510TE

Offline pokey

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Re: Liquid Gasket Sealants
« Reply #1 on: May 24, 2008, 09:21:01 pm »
depends on what its being used for mate
  Lots of parts need gaskets of specific thickness for clearance and  liquid gaskets cant do that .Other applications ive found it to be fine .

Offline yzhilly

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Re: Liquid Gasket Sealants
« Reply #2 on: May 24, 2008, 09:30:30 pm »
I use Threebond 1215 grey on everything from Cat engines to yamaha .It;s the best .
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Offline PEZBerq

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Re: Liquid Gasket Sealants
« Reply #3 on: May 24, 2008, 09:48:31 pm »
OK the grey sounds good ...but would you use it on a crankcase joint? cheers
Husqvarnas: 78 390AMX, 82 430XC, 84 240WR, 84 500AE, 84 510TE, 87 510TE

Offline Tim754

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Re: Liquid Gasket Sealants
« Reply #4 on: May 24, 2008, 09:50:58 pm »
Threebond grey is really good stuff ;), It can stop old pommie bikes pissing oil out ,yep slows it down to a fast dribble. Porous cases what a nightmare!! >:( Cheers Tim  Ok use the gasket too!!!!!!!!!!!!!!!!!!!
« Last Edit: May 24, 2008, 09:56:59 pm by Tim754 »
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Offline pokey

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Re: Liquid Gasket Sealants
« Reply #5 on: May 24, 2008, 09:52:46 pm »
not on a crankcase for an older bike mate as that is the gearbox aswell and you may find your end float  for the gear shafts would be out of spec  and start causing you probs.in conjusction WITH a gasket yeah great stuff

 Moderns seem  to be engineered to use the new  gasket in a tube

Offline PEZBerq

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Re: Liquid Gasket Sealants
« Reply #6 on: May 24, 2008, 10:03:03 pm »
Thanks gents.  A gasket it is with a dash of threebond!
Husqvarnas: 78 390AMX, 82 430XC, 84 240WR, 84 500AE, 84 510TE, 87 510TE

Offline Lozza

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Re: Liquid Gasket Sealants
« Reply #7 on: May 24, 2008, 10:21:36 pm »
KDX 200's have no centre gasket and rely on 3Bond.Used silcone on many and varied places trick is to wait a bit and let it go tacky before the bolts go in.
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Offline LWC82PE

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Re: Liquid Gasket Sealants
« Reply #8 on: May 25, 2008, 10:09:03 am »
yep the grey threebond is a bit expensive but is the best. i believe the Blue Aero/hylomar stuff is the best for head gaskets. Loctite 515 is another one i use often for certain things like reed blocks
« Last Edit: May 25, 2008, 11:23:03 am by LWC3077 »
Wanted - 1978 TS185 frame or frame&motor. Frame # TS1852-24007 up to TS1852-39022

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Re: Liquid Gasket Sealants
« Reply #9 on: May 25, 2008, 10:29:35 am »
mmm..just shows different schools of thought. I never use any sealant on any engine case or covers of any bike motor unless it came sealed from the factory that way in the first place. A nice new gasket, clean dry surfaces, a smear of clean oil to get the swelling happening, tighten it up evenly and Bob's ya Uncle ;) in an emergency I may use 3 Bond but very sparingly and I actually don't remember the last time..the tube I have is still marked with a $42 price sticker, I bought it back in about 1980 so God knows how much the stuff is worth nowday  ;)
« Last Edit: May 25, 2008, 10:32:16 am by Doc »

Offline Lozza

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Re: Liquid Gasket Sealants
« Reply #10 on: May 25, 2008, 11:36:35 am »
$32
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Offline LWC82PE

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Re: Liquid Gasket Sealants
« Reply #11 on: May 25, 2008, 11:43:17 am »
yep $32 is about what i sell it for too. good to know not everything has gone up in price.
Wanted - 1978 TS185 frame or frame&motor. Frame # TS1852-24007 up to TS1852-39022

Offline pokey

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Re: Liquid Gasket Sealants
« Reply #12 on: May 25, 2008, 11:49:32 am »
Yerp I use Hylomar myself . easy to use easy to clean  and it works. specially if you have crap casings. I use to advocate  just the gasket with a smear of grease but i find the hylomar holds the casing a bit better and the screws dont come loose from vibration.

 or maybe i just like the smell and the pretty blue colour ;D

Doc

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Re: Liquid Gasket Sealants
« Reply #13 on: May 25, 2008, 04:16:46 pm »
hmmm $32 eh Loz.. :-\ shit..when I got mine I couldn't buy it anywhere and ordered it through Kawasaki using a part number..perhaps 'this is' why I paid such a ridiculous price way back when..least I still have the bulk of it so if I break the cost down over the period of usage it'll be easier to live with my mistake fer sure! ..ummm just a sec..I'll just punch some buttons here..ok!..:P 0.004 cents a day my mistake has cost me..ummm..errr..for the last 27 years..lets see..that's about 9800 and something days..oh bugger! :P screwed again no matter how I look at it!  ::)
« Last Edit: May 25, 2008, 04:23:17 pm by Doc »

oldfart

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Re: Liquid Gasket Sealants
« Reply #14 on: May 25, 2008, 06:30:59 pm »
Loctite master gasket 515  does it for me