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Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

Thread: Suggestions on brakes Reply to Thread
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  Topic Review (Newest First)
02-08-2016 1:33 PM
954Kevin
Re: Suggestions on brakes

i dug up a response from the chain manufacturer D.I.D. concerning wd-40 for use on chains. again im not saying wd will cause damage to certain types of rubber. i just wont use it while there are better options available. no offence taken benelliblade i just wanted to be clear that ive taken some time doing my own research concerning the issue before coming to the conclusion that mc specific cleaners and lubes are my best choice. i use wd on a wide variety of things n id buy stock in the company if i could. i just keep it away from my mc chain. personally, for much the same reasons, i keep it off the caliper seals.

Hi Kevin,

Thank you for contacting D.I.D. The o-rings/x-rings are made of rubber. We
recommend using an o-ring/x-ring safe cleaner and lube. There is not any
written proof that wd-40 will damage the rubber o-ring/x-ring however it is
a penetrating oil, and the problem with using it on an o-ring/x-ring chain
is that it has the potential of penetrating them and can dissolve the grease
that is sealed inside. If the grease inside a chain is compromised, the wear
life of the chain can be dramatically reduced. There is a short 4 minute
video on our website on maintaining your chains. Got to D.I.D Motorcycle Chains and DirtStar® Rims
and click on the Maintenance button on the bottem left side of the home
page. If you have any further questions, please let me know.

Thank you.

Have a nice day!

D.I.D USA
02-08-2016 1:00 PM
jdoni
Re: Suggestions on brakes

Quote:
Originally Posted by Spaz View Post
From their own tech data sheet;

" Certain types of rubber will swell upon prolonged
immersion."
Immersion too me means submerged or soaking in. Which I would never do, just spray and let dry.
02-08-2016 12:51 PM
BenelliBlade
Re: Suggestions on brakes

Quote:
Originally Posted by 954Kevin View Post
im sure its unintentional. but your statement comes across as slightly condescending. i dont believe everything i read on a forum including the link to a forum you sighted as "proof" wd-40 isnt bad for oring chains.

telling me to use my head n do my own research implies i dont "use my head" and "do research." these are unfounded accusations!! : ) (unless we are talking about state mirror laws)
Apologies, it was not my intention to be condescending, I can see I didn't word it well. By "your" I was addressing people in general rather than you specifically, i.e. people doing their own research rather than believing the (usually inaccurate) stuff written on forums.

Quote:
Originally Posted by 954Kevin View Post
ive actually done a fair amount of research concerning wd-40 and its use on oring chains. as ive said ive not found anything scientific to prove or disprove the possibility it could cause damage to oring chains.

in response to wd-40 not being a mystery oil i copied this directly from their web site;

"Fact: Sorry folks, the over 60-year-old formulation of WD-40® Multi-Use Product remains a secret today. ]Any information that you may encounter alleging the disclosure of the “secret sauce” is inaccurate."
I sincerely doubt that WD40 are putting misleading information on their own material safety data sheets, it would leave them open to all sorts of legal action.

Quote:
Originally Posted by 954Kevin View Post
i digress...

if you have a piece of evidence that proves its harmless for use on oring or xring mc chains id love to see it. the link you posted from the adventure rider forum was interesting but from a scientific standpoint it was still completely subjective.

so until i see something that objectively shows wd-40 does or does not harm oring material or have a negative impact on the grease found in the rollers ill stick with what i feel is the best option.

dont use it.
Apart from personal experience, practical tests other people have published (that link is not the only one, google will throw up others), the complete lack of evidence proving that it DOES cause damage, and the WD40 material safety data sheet showing the ingredients are all very compatible with nitrile rubber then no, I have nothing else.

I will continue to use it as and when I feel it's safe to do so, including cleaning chains if I have nothing cheaper to hand such a kerosene. I won't use it on brake seals and I don't recommend anyone else does either.

Brake cleaner appears to be harmless when used as directed, i.e. only in temporary contact with brake seals, which is just as well really. I suspect that constant immersion could cause problems.
02-08-2016 11:47 AM
Spaz
Re: Suggestions on brakes

Quote:
Originally Posted by jdoni View Post
jondog,

To quote Franks hot sauce in relation to brake cleaner. I use that **** on everything. Even poison Ivy when I get it

I won't use it on clear plastic and it will eat some types of plastic. Never had a problem with any type of rubber though.
From their own tech data sheet;

" Certain types of rubber will swell upon prolonged
immersion."
02-08-2016 11:18 AM
jdoni
Re: Suggestions on brakes

Quote:
Originally Posted by jondog9 View Post
Does anyone here have a problem with using WD40 to clean the caliper pistons and seals? That's what I've always done, seems to work good for me. I've been a little nervous to use brake cleaner, fearing it would cause a bit of drying of the seals.
jondog,

To quote Franks hot sauce in relation to brake cleaner. I use that **** on everything. Even poison Ivy when I get it

I won't use it on clear plastic and it will eat some types of plastic. Never had a problem with any type of rubber though.
02-08-2016 3:14 AM
Spaz
Re: Suggestions on brakes

Quote:
Originally Posted by fj1200rj View Post
You used WD-40 on your seat? Good lord man! I'll PM you a # for a suicide prevention line, you surely must need it...They'll probably recommend Velcro.
That was a long time ago, about the same time that someone told me bikes couldn't aquaplane, so i rode like a twunt everywhere in the rain.
02-08-2016 3:06 AM
fj1200rj
Re: Suggestions on brakes

Quote:
Originally Posted by Spaz View Post
I'd just like to say, it's almost suicidal as a seat cleaner, it will get it sparkling, but you'll slide round like a greased pig.
You used WD-40 on your seat? Good lord man! I'll PM you a # for a suicide prevention line, you surely must need it...They'll probably recommend Velcro.
02-07-2016 2:18 PM
The_Menace
Re: Suggestions on brakes

It's been a couple days since I posted, I got the brakes bled after getting all pistons cleaned up. 80% of the problem is gone, ordering new pads today, I think that will take care of the rest. They have a little bit of uneven wear on them.
02-07-2016 2:11 PM
Spaz
Re: Suggestions on brakes

I'd just like to say, it's almost suicidal as a seat cleaner, it will get it sparkling, but you'll slide round like a greased pig.
02-04-2016 12:41 PM
954Kevin
Re: Suggestions on brakes

Quote:
Originally Posted by BenelliBlade View Post

I'd say don't believe everything you read on a forum. Use your head and do your own research. I agree about the brake seals however, keep it away from them.
im sure its unintentional. but your statement comes across as slightly condescending. i dont believe everything i read on a forum including the link to a forum you sighted as "proof" wd-40 isnt bad for oring chains.

telling me to use my head n do my own research implies i dont "use my head" and "do research." these are unfounded accusations!! : ) (unless we are talking about state mirror laws)

ive actually done a fair amount of research concerning wd-40 and its use on oring chains. as ive said ive not found anything scientific to prove or disprove the possibility it could cause damage to oring chains.

in response to wd-40 not being a mystery oil i copied this directly from their web site;

"Fact: Sorry folks, the over 60-year-old formulation of WD-40® Multi-Use Product remains a secret today. ]Any information that you may encounter alleging the disclosure of the “secret sauce” is inaccurate."

ive also contacted RK chains, D.I.D. chains and JT chain directly asking specifically about the use of wd-40 to clean/lube oring chains. they all responded as i would have expected recommending you use a mc specific chain cleaner and lube.

again, im not saying its a fact that its unsafe for use on a mc chain. i am saying its a fact there are mc specific products designed for this job. im not saying you did, but why would anyone endorse use of wd-40 as a chain cleaner and or lube when there is a bevy of products on the market specifically recommended by motorcycle manufacturers and chain manufacturers.

i digress...

if you have a piece of evidence that proves its harmless for use on oring or xring mc chains id love to see it. the link you posted from the adventure rider forum was interesting but from a scientific standpoint it was still completely subjective.

so until i see something that objectively shows wd-40 does or does not harm oring material or have a negative impact on the grease found in the rollers ill stick with what i feel is the best option.

dont use it.
02-04-2016 12:12 PM
Gunk
Re: Suggestions on brakes

Quote:
Originally Posted by fj1200rj View Post
I meant no offense,
Absolutely none taken!
02-04-2016 9:31 AM
The_Menace
Re: Suggestions on brakes

Quote:
Originally Posted by jondog9 View Post
Did you check the rotors and rim for run-out before putting the calipers back on?
No, I forgot my mag base at work yesterday. I am going to bring it home tonight and check, the caliper bolts are loose and haven't been torqued yet. Will be really easy to just pop the loose bolts out and check. If I see any variation in them I will take them to work with me and have a machinist check them out. If I have enough thickness left he should be able re-face them to true them up. Hopefully I won't need to do this.
02-04-2016 7:12 AM
fj1200rj
Re: Suggestions on brakes

Quote:
Originally Posted by Gunk View Post
As I'm a strictly amateur mechanic, I tend to work in a very prescriptive and methodical way, I like the comfort of following instructions rather than guessing and winging it. especially when bolting a motorcycle back together.
I meant no offense, you previously stated that you didn't follow the procedure in the past and I simply stated that it's not uncommon, especially for those of us who work in a mechanical field to feel comfortable enough to perform simple tasks without the need for a set of instructions and therefore miss certain type specific maintenance requirements. In my profession we are required to follow Technical Orders. I can say however that that isn't always the case. I can say though that I periodically review the Technical Orders on even the simple tasks I perform daily as changes are frequently made.
02-04-2016 6:42 AM
BenelliBlade
Re: Suggestions on brakes

Quote:
Originally Posted by 954Kevin View Post
in short ive yet to see any definitive evidence either way but there is a easy way to cut out the possibility of a mystery formula product like wd having unwanted effects.

dont use it.
There's no real mystery to the formula of WD40, the material safety datasheet is easily available. It contains mineral oil and Stoddard solvent. Nitrile rubber (the most common O ring material, and the type used in o-ring chains) has excellent chemical resistance to both of these. Some o-ring materials are incompatible (e.g. isobutylene, silicone, EPDM) but these are used in more specialist applications for their specific properties.

I'd say don't believe everything you read on a forum. Use your head and do your own research. I agree about the brake seals however, keep it away from them.
02-04-2016 2:34 AM
jondog9
Re: Suggestions on brakes

Did you check the rotors and rim for run-out before putting the calipers back on?
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