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#239883 - 02/25/09 10:07 pm Best Crank Case Sealant available in the UK?  
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Quantumrevs Offline
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Hi All

I'm sure that this has been answered before, but what is the best sealant to use when I put the two halves of the power house back together? I bought a tube of 'Wellseal', but was told to chuck it in the bin by a man in the know. Someone else has suggested 'Honda Bond' - though when I googled that it was being used to stick hand grips on!

Any suggestions? I'm in the UK so that that might impact the availability of things.

Thanks in advance

Jon

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#239886 - 02/25/09 10:24 pm Re: Best Crank Case Sealant available in the UK? [Re: Quantumrevs]  
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john toghill Offline
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Hi Jon,
I got some threebond 1194 on eBay. I'ts a grey (to match the cases) rubber like sealant that won't break up and block oil ways like silicone can. It's the new version of yamabond and hondabond.

http://cgi.eBay.co.uk/Threebond-1194-1104-200g-tube-liquid-gasket-yamabond_W0QQitemZ370148148648QQcmdZViewItemQQptZUK_Motorcycle_Parts?hash=item370148148648&_trksid=p3286.c0.m14&_trkparms=72%3A1683%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318

John


the trouble with the world today is apathy; but I don't care.
British Motorcycles, built to last, till worn out.
#239887 - 02/25/09 10:30 pm Re: Best Crank Case Sealant available in the UK? [Re: john toghill]  
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Tridentman Online content
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Wellseal---used by the factory and countless others.
Old product but does the job.
Dont know what your "man in the know" knows but Wellseal has worked for me for over 45 years!

#239891 - 02/25/09 10:47 pm Re: Best Crank Case Sealant available in the UK? [Re: Tridentman]  
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SBoyd Offline
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Yamabond 4 or Threebond 1194

USA
GB
I use the Yamabond but believe that the Threebond is identical.

Edit
I see that above posters agree. These were posted while I was researching the websites for you.
>>sb

Last edited by SBoyd; 02/25/09 10:56 pm.

Stop the insanity.
#239895 - 02/25/09 11:12 pm Re: Best Crank Case Sealant available in the UK? [Re: SBoyd]  
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Woody1911a1 Offline
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bought some hondabond 4 recently and the part #on the back says 08717-1194 , the 1194 being the clue .

#239966 - 02/26/09 1:20 pm Re: Best Crank Case Sealant available in the UK? [Re: Woody1911a1]  
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Blapper Offline
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Loctite 518 - Google it bigt

Blapper redwine

#239973 - 02/26/09 2:59 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Tom_dup1 Offline
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Wellseal works for me.

#239975 - 02/26/09 3:02 pm Re: Best Crank Case Sealant available in the UK? [Re: Tom_dup1]  
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Blapper Offline
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Opinion threads - don't ya love 'em!

redwine

#239989 - 02/26/09 3:58 pm Re: Best Crank Case Sealant available in the UK? [Re: Quantumrevs]  
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Rich B Online happy
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From actual experience.....

The 3 Bond products are quite good. HondaBond, YamaBond, etc. work nice. Works very well on the case joint.

LocTite 515 & 518 are excellent products. Little more expensive than the 3 Bond products, but they are high end sealant. IME, if either of these LocTite products leak, the part you are sealing is broken or was never meant to hold oil eek.


Life is too short to drink cheap, bad beer.
#239991 - 02/26/09 4:45 pm Re: Best Crank Case Sealant available in the UK? [Re: Rich B]  
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Stein Roger Offline
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Wellseal. If it leaks you've done something wrong.

#240063 - 02/26/09 10:38 pm Re: Best Crank Case Sealant available in the UK? [Re: Stein Roger]  
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Quantumrevs Offline
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Thanks for the feed back everyone. Looks like opinions differ! Well, I already have the Wellseal - so I guess Ill give that a go fisrt. If i'm disapointed with the outcome I'll move onto the others. A few weeks away yet, but I'll let you know how I get on.

Thanks again
Jon

#240096 - 02/27/09 2:32 am Re: Best Crank Case Sealant available in the UK? [Re: Quantumrevs]  
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SBoyd Offline
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This is a good opinion thread, as opposed to those "bad" opinion threads.

There are only three products mentioned: Yamabond (& the other "bonds"), Wellseal, and Loctite 518.

No one is saying anything against any of them, so obviously all will work well for the crank case joint.
The reason this thread is important is that NO ONE wants to re-split their cases for a leak.

I have only used Yamabond since discovering it twenty years ago.
Everyone knows the Japanese use the best sealants (even if they were formulated in England) as their engines don't weep.
Legend has it that Harley went to Japanese engineers to solve their oil leaks, and Harleys haven't leaked since.
It seems that if Loctite 518 were better than Yamabond, the Japanese would be using it and it would be stocked by their dealers for their shops to use.

I am open minded and Rich's comments along with internet research and "cutting edge Blapper", have caused me to try Loctite 518 for my next engine.
My main stipulation is that the product must not squeeze out and get loose in the engine.
I know Yambond does not get loose, presumably the others don't. right?

Last edited by SBoyd; 02/27/09 4:06 am.

Stop the insanity.
#240133 - 02/27/09 8:20 am Re: Best Crank Case Sealant available in the UK? [Re: SBoyd]  
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Blapper Offline
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Hi Steve, a couple of comments:

1/ I think Japanese engines are less likely to leak by design, not just jointing compound.

2/ Application of compound and condition/preparation of cases is mega important to some compounds, less to others. Loctite's spec is impressive.

3/ Amount applied is difficult to get perfect with any face, it is what happens to the compound that squeezes out that is important. At least with anaerobics you have a chance that they will get to the filter if they break free.

When I took my motor apart I found the gallery and lube hole of the exhaust tappet block filled with rock hard wellseal.

I expect the Yamabond is a good product but have never used it.

As they say 'your results may vary' - I look forward to your experiences and hope to be able to say that my 518'ed faces are oil tight (c/c & g/b).

Good luck guys - post results!

Blapper redwine

#240149 - 02/27/09 12:54 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Tridentman Online content
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Agree with Blap.
I think probably all of the products mentioned might work OK.
Of paramount importance is:
a) Preparation---clinically clean and oil/grease free.
b) Amount applied. Wellseal is pretty liquid and in my experience (as per the Triumph race shop) best applied using a small artists paint brush to give a thin uniform coating.
Just my 2pence/cents worth.

#240150 - 02/27/09 12:54 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Agree with Blap.
I think probably all of the products mentioned might work OK.
Of paramount importance is:
a) Preparation---clinically clean and oil/grease free.
b) Amount applied. Wellseal is pretty liquid and in my experience (as per the Triumph race shop) best applied using a small artists paint brush to give a thin uniform coating.
Just my 2pence/cents worth.

#240151 - 02/27/09 12:55 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Agree with Blap.
I think probably all of the products mentioned might work OK.
Of paramount importance is:
a) Preparation---clinically clean and oil/grease free.
b) Amount applied. Wellseal is pretty liquid and in my experience (as per the Triumph race shop) best applied using a small artists paint brush to give a thin uniform coating.
Just my 2pence/cents worth.

#240152 - 02/27/09 12:55 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Agree with Blap.
I think probably all of the products mentioned might work OK.
Of paramount importance is:
a) Preparation---clinically clean and oil/grease free.
b) Amount applied. Wellseal is pretty liquid and in my experience (as per the Triumph race shop) best applied using a small artists paint brush to give a thin uniform coating.
Just my 2pence/cents worth.

#240153 - 02/27/09 1:05 pm Re: Best Crank Case Sealant available in the UK? [Re: Tridentman]  
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dave jones Offline
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I used golden hermetite at the crankcase joint and it doesn't leak. Blue Hylomar is good stuff too but all the products you can get for this job are very similar.

Dave

#240156 - 02/27/09 1:16 pm Re: Best Crank Case Sealant available in the UK? [Re: Tridentman]  
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twinspin Offline
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Originally Posted By: Tridentman
Agree with Blap.
I think probably all of the products mentioned might work OK.
Of paramount importance is:
a) Preparation---clinically clean and oil/grease free.
b) Amount applied. Wellseal is pretty liquid and in my experience (as per the Triumph race shop) best applied using a small artists paint brush to give a thin uniform coating.
Just my 2pence/cents worth.


Thats what I call value for money all for 2 cents


1971 T100R
1970 T120
#240163 - 02/27/09 2:09 pm Re: Best Crank Case Sealant available in the UK? [Re: twinspin]  
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SBoyd Offline
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Tridentman...........OK smile OK smirk OK smile OK grin

Blapper
""At least with anaerobics you have a chance that they will get to the filter if they break free.""
please explain.


Stop the insanity.
#240173 - 02/27/09 2:54 pm Re: Best Crank Case Sealant available in the UK? [Re: SBoyd]  
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kommando Online content
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Anaerobics only set in the absense of air, any excess forced out of the joint stays liquid and will mix in with the oil to be removed at the next oil change. I have moved to Loctitie 518 from Blue Hylomar for this very reason, it works as it says on the tin and have no leaks so far where it has been used.

#240174 - 02/27/09 3:04 pm Re: Best Crank Case Sealant available in the UK? [Re: kommando]  
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Tridentman Online content
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Sorry for the comments X4---my computer has this stuttering complaint sometimes------
Hey---what is this?----mixing Loctite with engine oil now?
Very severe case of Loctitus in my view.
Just use a judicious amount of Wellseal and all will be well.
When you strip an engine first time from factory build you will see a small amount of excess Wellseal dribbled down from the crankcase joint and set on the inside of the crankcase---doing no one and nothing any harm.
But deliberately passing Loctite through the oil pump, OPRV, big end bearings etc---the very thought makes me shudder!!!
Come to think of it it must be thinking about that that made my computer stutter earlier on!

#240236 - 02/27/09 6:34 pm Re: Best Crank Case Sealant available in the UK? [Re: Tridentman]  
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Blapper Offline
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Thanks Kommando, exactly.

T-man : Wasn't Capt Jean-Luc Picards name Loctitus after the Borg got him? wink

Blapper redwine

#240273 - 02/27/09 9:18 pm Re: Best Crank Case Sealant available in the UK? [Re: Blapper]  
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Look Blap--you are supposed to be a Brit---so cut out all this French c**p!
Loctitus is defined as a disease in which Loctite is used in all sorts of strange places where it shouldnt be!
Seems like 75% of the posters on this board suffer from it---and I have to say, Blap, that you seem to be one of them!

#240287 - 02/27/09 10:45 pm Re: Best Crank Case Sealant available in the UK? [Re: Tridentman]  
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hh Offline
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Loctite is a brand, not a product. Loctite 518 is an excellent aluminum crankcase sealant that only hardens where there is no air, and the remainder is harmlessly carried away in the oil.


"Beer is proof that God loves us and wants us to be happy" - Benjamin Franklin
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