WD40


Information and questions on GL1100 Goldwings (1980-1983)
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1fastgl1100
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WD40

Postby 1fastgl1100 » Wed Apr 24, 2013 3:40 am



I have seen many people use WD40 to loosen bolts, and to stop parts from squeeking. Yesterday I watched (in horror) as someone used spray on WD40 to lube engine parts during reassembly.
WD40 is not a lubricant, it was created to disperse water (hence WD)

While it will lube for a brief period of time, should it be used to replace a lubricant (or an assembly lube during an engine rebuild)?



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SteveB123
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Re: WD40

Postby SteveB123 » Wed Apr 24, 2013 6:43 am

1fastgl1100 wrote: WD40 is not a lubricant,


Interesting analysis, as it seems to work as one, for things that don't require a high film strength.

Lots of people use it for coating ferrous engine internals during rebuilds, to prevent flash rusting. Works fine for that too.
Was it being used on bearing or something like that? Yikes.
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themainviking
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Re: WD40

Postby themainviking » Wed Apr 24, 2013 7:01 am

It does seem to coat metal and prevent rusting, but it washes out really easy. I looked it up a long time ago, and they said the main ingredient was some sort of fish oil. The only thing is that it is in solvent, so if allowed to dry, I guess it would leave a fish oil coating behind. I know it leaves a strong smell behind. I have an enclosed cargo trailer (small for behind motorcyle) that leaked and got really wet inside and was wet for a long time. I did what I could to dry it out, but it still had damp wood in the bottom. I bought three large cans of WD40 and sprayed them in there one at a time, allowing it to dry between spraying. It sure got rid of the moisture from the wood, and probably saved it from rotting, but I could not use the trailer last year because of the strong smell. :lol:

Lets hope it is different this year.

Anyway, I would not use WD40 as an assembly grease. They make better things for that. Like assembly grease, :mrgreen:
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SteveB123
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Re: WD40

Postby SteveB123 » Wed Apr 24, 2013 7:14 am

themainviking wrote:It does seem to coat metal and prevent rusting, but it washes out really easy. I looked it up a long time ago, and they said the main ingredient was some sort of fish oil.


"What a Fish story!
Myth: WD-40 contains fish oil.
Fact:
Consumers have told us over the years that they have caught some of the biggest fish ever after protecting their fish hooks and lures with WD-40. We believe this legend came from folks assuming that the product must contain fish oil since it appears to attract fish. Sorry Charlie®, it just ain’t so.

WD-40 Company has taken steps to respect and conserve the environment, and encourages its users to do the same. While WD-40 can be used to help protect fishing equipment from rust and corrosion, WD-40 Company does not recommend using WD-40 to attract fish."

http://wd40.com/about-us/myths-legends-fun-facts/
Current:82 GL1100 Interstate, 60 Amp Poorboy, MSD coil
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themainviking
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Re: WD40

Postby themainviking » Wed Apr 24, 2013 7:25 am

Hey, great link Steve. It debunks the fish oil theory. The "they" I referenced, by the way, was not WD40 themselves, but another source, obviously not correct by WD40's link swearing that it Just Ain't So. I learned lots of other stuff about it, like - it really is a lubricant, although a "light" one. Great for coating metal parts for light lubrication, including bicycle chains.

Thanks Steve
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1fastgl1100
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Re: WD40

Postby 1fastgl1100 » Wed Apr 24, 2013 2:32 pm

it was being sprayed on entire engine (crank, cam, valves... ect)

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SteveB123
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Re: WD40

Postby SteveB123 » Wed Apr 24, 2013 2:58 pm

1fastgl1100 wrote:it was being sprayed on entire engine (crank, cam, valves... ect)


It'll keep it from rusting. If it worked on Atlas rockets, it'll work on that.


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