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Buell Motorcycle Forum » XBoard » Buell XBoard Archives » Archive through August 28, 2003 » Warped front rotor on XB9R Firebolt? » Archive through May 07, 2003 « Previous Next »

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Blake
Posted on Monday, April 28, 2003 - 01:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

No annealing or heat treating?
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Reepicheep
Posted on Monday, April 28, 2003 - 01:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

All I had to do to get a warped stock rotor was let a Harley dealer change a tire. Apparently, there is nothing to it, as they claimed they could not possibly have done it.

That was after they mounted two tires in a row with 6+ inch slashes that they could not manage to notice (and also claimed could not possibly be their fault), mounting the wrong tire once (D207 instead of a D205), and nearly dropping the wheel onto the rotor twice in the 5 minutes I watched them bring it out to me from the shop. But they were SURE they could not have possibly warped or bent the rotor.

I agree, good thing they are cheap(er).

Bill
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Court
Posted on Monday, April 28, 2003 - 03:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>>No annealing or heat treating?

To whom?...Dave Gess?

No. And no air conditioning either. He seems to function fine in any clime and condition.

Go figure? Those guys a thing of the past or what?

Court (who once suggested chroming him though)
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Davegess
Posted on Monday, April 28, 2003 - 03:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Blake I don't remember any BUT it was a long time ago and my brain is old. If I can figure out a way to check that info I will.
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Reepicheep
Posted on Monday, April 28, 2003 - 04:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)


quote:

(...who once suggested chroming him though)




:-) Must have been a part of the deal when HD acquired part of the company... Court was trying to sweeten the deal for the parts and accessories part of the house (if Dave Gess is THIS GOOD already for Buell, surely he can be even better for Harley if we just chrome him)
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Davegess
Posted on Monday, April 28, 2003 - 05:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

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Phillyblast
Posted on Monday, April 28, 2003 - 06:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Can you still get the cast iron rotors? I'm looking to replace the front rotor on the S2, and was going to go with the 2000 SS "upgrade" until Henrik wrote about his problems getting adequate stopping power with it.
btw Court only 5 shopping days left until Philly to NYC - take your meds
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Rick_a
Posted on Monday, April 28, 2003 - 10:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yeah...at this store called Ebay
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Blake
Posted on Monday, April 28, 2003 - 11:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Try the EBC iron rotors that ASB sells. Outstanding. Admittedly, my OEM rotor was used up when I changed it, but the EBC rotor along with new OEM pads is working better than anything I recall prior, including EBC kevlar race pads on the stock rotor.

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Phillyblast
Posted on Tuesday, April 29, 2003 - 12:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>Yeah...at this store called Ebay
grumble grumble grumble see now if I wanted a smart a** answer . . .lucky he's a newlywed
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Rick_a
Posted on Wednesday, April 30, 2003 - 12:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)




I thought EBC only made billet low carbon steel rotors.

Which type does ASB sell? The "Turbo" race rotor, supersport, or the street rotor?
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Blake
Posted on Wednesday, April 30, 2003 - 02:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Rick,
They may be steel. I only know that they are not stainless and ignorantly assumed that they were iron. Thanks for the correction on that. :) ASB sells the EBC race rotors.

Like this one for $199.95...
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Rick_a
Posted on Wednesday, April 30, 2003 - 03:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I don't think that picture is right, either...that's the Ferodo "Black Lighting" rotor, which is cast iron and roughly twice the price of the EBC.

I just ordered an EBC street rotor today. It has less lightening holes than the race style. If this rotor doesn't last I'm going to dual disks, damnit.

These are the EBC's:


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99buellx1
Posted on Wednesday, April 30, 2003 - 07:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I really like the blue one. I don't have anything on my bike that is blue, and that would make a good first piece.


Craig
Buell Cycle Center
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Valvetrash
Posted on Thursday, May 01, 2003 - 09:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Well I picked up my bike today from the dealer today. I was having the bearings replaced, and while they were at it I had them check out the vibration problem in front under hard braking. They checked the run out in the rotor and the wheel. Wheel was a .001 and the rotor less. They said they could find nothing other than the front tire was junk (which I knew), so I have them put one on even though I don't think thats the problem. What do you know, no change and they say they don't know. I was like WTF. So I don't know what to do now. The dealer has no idea, and of course my warrenty ran out on 4-25-03.
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Xb9
Posted on Friday, May 02, 2003 - 12:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I can't believe the wheel had only .001" runout.
Take it to a different Dealer that knows WTF they are doing. How many miles?
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S320002
Posted on Saturday, May 03, 2003 - 01:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Davegess,
The gold colored plating on those early rotors was probably cadmium. Cheap, easy way to prevent rust during storage. Its often used on fasteners instead of zinc plating.

It is bad news for satellites though because it dissipates in a vacuum and can then replate onto electronic components. The results can be devastating.

Greg
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Shazam
Posted on Monday, May 05, 2003 - 07:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

mine..... 0.026" lateral on the rim, 0.014" on the rotor. 14k miles. ordered new wheel assembly - all better. but the previous set up destroyed a new tire before I pulled it! that probably contributed to it feeling progressively worse. Flat spots on the tire corresponding nicely with pulsation while braking, just kept getting worse! I only bought the new wheel because I had already sent out money for a track day and I didn't have time to sit and wait for dealer assessment. Glad I did, the new wheel fixed the problem. No pulsation on the track or since. Old rim is now at the dealer, waiting for word. as I measured it, It looked bad, but only read 0.026". we'll see what they say soon.

LOVE this bike......................
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Blake
Posted on Monday, May 05, 2003 - 08:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Unevenly worn pads can cause brake pulsations.
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Xb9
Posted on Monday, May 05, 2003 - 11:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

IMHO, it looks like a good opportunity exists for someone to develop / sell a retro kit for the XB front wheel /fork , converting it to conventional dual disk brake. Hope Buell is listening!

Love this bike.........except the brake!
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Shazam
Posted on Tuesday, May 06, 2003 - 11:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Same brake pads........
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Valvetrash
Posted on Tuesday, May 06, 2003 - 12:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

how much for the wheel assembly?
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Shazam
Posted on Tuesday, May 06, 2003 - 01:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think I paid $235 for the wheel and around $160 for the rotor assy.
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Blake
Posted on Wednesday, May 07, 2003 - 12:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

There is not a damn thing wrong with the XB front wheel or brake.
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Shazam
Posted on Wednesday, May 07, 2003 - 12:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

..........I guess that's the end............. of this thread!......................................................................................................... ...................................................................
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Court
Posted on Wednesday, May 07, 2003 - 05:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

>>>>There is not a damn thing wrong with the XB front wheel or brake.

That's an accurate statement.
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Darthane
Posted on Wednesday, May 07, 2003 - 12:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yeah, there is - that @$%#ing Stardust aluminum finish. It's impossible to keep clean!



Bryan
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Xb9
Posted on Wednesday, May 07, 2003 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I agree, there is not a damn thing wrong with the XB front brake in design, as new. And if you ride anywhere except the rougher northern roads, you may never have a problem. The basis of my conclusion (or opinion, if you may)is on 15,000 miles of ownership experience on northern roads most of which are far from smooth. Having already replaced a front wheel assy. (warranty, thank you)due to minimal runout of the wheel to cure a severe brake vibration tells me there may be an issue, at least to us in the North. I guess the bigger question instead of pissing about it is "What causes the distortion?" "Why did it occur?" No one (Buell, Dealer)seems to have the answer, we just replace the parts. The wheel is very light, and at some point in the quest for lightness, strength will begin to be compromised. Did the design go to far in the quest for less weight? I don't know, but I'm not real enthused about the prospect of possibly having to replace the front wheel every other front tire change. Tremendous bike otherwise.
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Blake
Posted on Wednesday, May 07, 2003 - 06:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

XB9,

You are taking anecdotal evidence and leaping across vast chasms to a wholly unsupportable conclusion. Buell dealers are not equipped to diagnose such problems, only fix and replace problem parts. The exact same wheel and brake that is on your XB9R is the same design that went through rigorous torture testing. The north does not corner the market in rough roads. Have you ever considered that your wheel was damaged during a tire change? An improperly performed tire removal and mounting can easily bend a wheel. When the wheel is on the bike there just isn't much you could do short of catastrophic crashing to bend the wheel laterally. More than anything, a heavy handed technician changing the front tire could easily damage the wheel. See what I'm trying to say? Your assumptions are not supported by any valid theory and are probably completely wrong. It just is wholly irresponsible to cast aspersions at the design of the wheel or brake when you just don't know what the deal is.

You might instead take aim at who performed your tire changes? How were they accomplished? Were new brake pads tried to alleviate the vibration? Was the wheel reinstalled on the forks correctly? Trust me. Your problem is not the result of a design deficiency.

If you are really interested in finding the cause you might covertly measure and document the runout prior to and after each future tire change. If it is returned to you deformed after undergoing a tire change, you will then have your evidence. :)
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Court
Posted on Wednesday, May 07, 2003 - 06:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

XB9:

Good, valuable and responsible observation..APPREFCIATED.

You also give rise to an interesting point.

>>>The wheel is very light, and at some point in the quest for lightness, strength will begin to be compromised.

Let's "bank" that one for the guys demanding race bikes for the street.

Thanks for your observation.

Court
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