MC Malfunction? - 600RR.net
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post #1 of 7 (permalink) Old 01-28-2009, 12:14 AM Thread Starter
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MC Malfunction?

I am 99.9% sure that I need to repair or replace my MC but I thought I'd fill you all in and see what you think.

After getting off the track... I notice that my front brakes drag a lot while I'm putting on my tire warmers. And when taking off the warmers and the brakes are cool... it still drags excessively. I can get 1 rev when I spin it but that's giving it a good " The Price's Right" showcase pull.

I haven't changed the lever recently and it does seem to be working properly. If it wasn't releasing... the brakes would lock up solid if I'm correct. Both seem to be dragging just by the sound of them.

I'm probably going to go with an '07 MC... I like the remote res. but I don't want to spend hundreds on a Brembo. ( money is tight... I need a new helmet... leathers... generator)

What do you guys think?

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post #2 of 7 (permalink) Old 01-28-2009, 12:25 AM
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If the M/C was bad, there would more then likely be a lack of pressure rather then excessive. Make sure the lever is returning fully and that there are no kinks in the lines. Also, do you have the wheel on in the correct direction?
post #3 of 7 (permalink) Old 01-28-2009, 12:33 AM Thread Starter
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I do have it on the right direction... I will look into it more closely... kinks in the line... maybe sticking caliper and I just think I hear both of them dragging. But you're right... It does seem unlikely to hold just a little extra pressure.

Ride hard today, Ride harder tomorrow,!
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post #4 of 7 (permalink) Old 01-28-2009, 12:37 AM
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The calipers could be dirty, but I don't think they'd both stick the same. The most logical thing to me would be the wheel or rotors are on backwards since they're both rubbing evenly. Maybe some debris in the lines clogging things up?
post #5 of 7 (permalink) Old 01-28-2009, 12:39 AM
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It will always drag as far as i understand, i've been able to hear my brakes rubbing when
i push my bike around since i bought it. At first i thought something was wrong but i've
had no problems and had countless other riders and some techs tell me it's perfectly
normal. Cars are the same way you just can't hear it. The pads are always resting on the
disc.

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post #6 of 7 (permalink) Old 01-28-2009, 12:07 PM Thread Starter
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You're right... they will always rub but this is extreme I think. The sound isn't why I'm thinking there's problem... it's the amout of dragging.

Ride hard today, Ride harder tomorrow,!
Walk close to Christ today, Walk closer tomorrow

How to fix headlights... Dreamzboy's excellent write-up
https://www.600rr.net/vb/showthread.php?t=138034
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post #7 of 7 (permalink) Old 01-29-2009, 10:56 PM Thread Starter
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Still the same. I took the calipers off and removed the brake pads... then cleaned the debris off of the pistons. No change.

Ride hard today, Ride harder tomorrow,!
Walk close to Christ today, Walk closer tomorrow

How to fix headlights... Dreamzboy's excellent write-up
https://www.600rr.net/vb/showthread.php?t=138034
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