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Buell Motorcycle Forum » Old School Buell » Archives OSB 001 » Archive through September 04, 2007 » Front rotor WAY to loose! « Previous Next »

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Buell82
Posted on Tuesday, August 28, 2007 - 11:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Here is what I have...I just recently purchased my '97 S3 and one of the problems with it is that the front rotor is way loose on the carrier. You can grab the rotor and jiggle it back and forth. Now I know this is supposed to be a "floating" disk, but this is rediculous! I have the design with the six fasteners holding the rotor on. It almost seems as if I have the incorrect size rotor for my carrier? I have bolts holding the rotor on, when my manual says that my bike should have clips? Any help with this would be greatly appreciated. I would love to use my front brake safely!:-)
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Ratbuell
Posted on Wednesday, August 29, 2007 - 12:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bolts have wave washers to cut down on rattling. They're still available, I just got a set for my rattletrap S2's brake, LOL. Quieted it right down. Ping me tomorrow and I'll get the part number for you, they're cheap and available thru the dealer.

I think the clips were pre-recall or pre-update.
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Sleez
Posted on Wednesday, August 29, 2007 - 10:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

much better to replace it with either an EBC or the updated buell rotor with 9 pins!
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Ratbuell
Posted on Wednesday, August 29, 2007 - 11:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes, but if budget is a concern, a set of $2 wave washers (part number BW856.9) is much cheaper and easier than a new rotor assembly for $150 or so. With the new washers, my rotor works just fine at..uh..superlegal speeds and regular traffic speeds alike ;)
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Loki
Posted on Wednesday, August 29, 2007 - 11:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If it rotates fore and aft with the direction of travel.....

You will need to replace the carrier/rotor.
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Sleez
Posted on Wednesday, August 29, 2007 - 02:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

+1 for what loki said, which is usually the case!! once that starts happening things can get dangerous fast.
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Unibear12r
Posted on Wednesday, August 29, 2007 - 08:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Per manual.
Grasp rotor and pull as far c.clockwise as you can. Hold this position and place tape across gap between rotor and carrier. ( The outer and inner part of the disk respectively)
Cut tape across the gap and release.
Twist rotor as far as you can the opposite direction and measure distance the tape has traveled relative to the tape still on the carrier.
If less than .050 in. it's ok
Lateral movement should be less than .100 in. to either side of the carrier.
Bad news, the updated 2000 Buell disk doubled in price about a year back to around $300 so the aftermarket disks are likely the better value now.
I do remember there was a drive pin replacement kit made by somebody but I don't know how good it was or if their still around. Might be what Ratbuell speaks of.
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