Rear Brakes - Wrist Twisters
 
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post #1 of 25 Old 02-04-2009, 03:41 PM Thread Starter
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Rear Brakes

The other day I was switching back to my 15t front sprocket and noticed that my rear brake pads had been used way longer than they should have been. I bought a new set and installed them today. The only problem is that the old brake pads were so worn down that they actually scratched the disc. It is scratched in the middle and around the top edge.

In the 6th and 7th pictures you can see where the disc scratch away part of the brake pad housing, but the problem is that it was also scratching the disk at the same time.

Based on these pictures do you think that the rotor will be alright? or will i ruin the brake pads and then need new pads and a rotor.
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post #2 of 25 Old 02-04-2009, 03:58 PM
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The scored rotor will cause the new pads to wear prematurely. The rear brake will not function at 100%. That said, IMO you are using too much rear brake. Try using the front brakes more in fact lay off the rear brake completely. Let the arguments begin.

Have you checked the front pads lately?

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post #3 of 25 Old 02-04-2009, 04:03 PM Thread Starter
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Quote:
Originally Posted by MisterMike View Post
IMO you are using too much rear brake. Try using the front brakes more in fact lay off the rear brake completely.
Have you checked the front pads lately?
Checked the front pads when I realized that the rears were shot. They rear pads were the original pads from the factory and I am a little over 27k miles. I bought the bike in April from AJ Combs and not sure what the rear brakes looked like then, but I have put on over 13k miles since then. I also know he enjoyed Wheelies whenever able so I have a feeling the brakes were beat on as well.

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post #4 of 25 Old 02-04-2009, 04:08 PM
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AJ should spring for a new rotor.

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post #5 of 25 Old 02-04-2009, 06:07 PM
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wheelies don't require brakes

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post #6 of 25 Old 02-04-2009, 06:11 PM
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Quote:
Originally Posted by MisterMike View Post
AJ should spring for a new rotor.
Tell ya what I'll make it right send the entire bike back up here and I'll ride it for you!!!


Quote:
Originally Posted by peanut gallery
what good would that do??
shut up I'm hoping for a free bike... I miss the 9'er

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post #7 of 25 Old 02-04-2009, 07:53 PM
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someone putting the 15tooth back in sounds like they want a little wheelie time for themselves...

mikes correct... the scored rotor will make the rear pads wear a lil bit faster... whoop de do... i wouldnt waste the money putting a new one on... it took 27k of aj and you kicking it to wear out the first set... the second set may only last 15k.... then again ... they may last 25k...



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post #8 of 25 Old 02-05-2009, 10:04 AM
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I don't think I even have worn out a set of rear pads. I'd say ease up on the rear brakes and start using the front more. Only times I use rear pulling into the driveway, pits, or in the dirt.

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post #9 of 25 Old 02-05-2009, 10:13 AM
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its the rear brake, just throw new pads on it and roll.

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post #10 of 25 Old 02-05-2009, 10:20 AM
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+1 lay off the rear brake...really don't even need to be using it...you should be fine but just keep an eye on how the new pads are breaking in (if you even continue to use the rear brake)


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post #11 of 25 Old 02-05-2009, 10:35 AM
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Quote:
Originally Posted by TuonoR6 View Post
I don't think I even have worn out a set of rear pads. I'd say ease up on the rear brakes and start using the front more. Only times I use rear pulling into the driveway, pits, or in the dirt.
+1 I only use 95+% front and barely touch the rear. I do use the rear in low speed (maybe 10 mph and under) on loose stuff like gravel, sand, parking lots, etc.

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post #12 of 25 Old 02-05-2009, 11:47 AM
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The rear brake is for Harleys.

Seriously, I personally won't worry about the rear disk. You should be good.

The previous owner of the bike must have worn the pads to nothing. These are the type that usually buy BMW's and hang out at Starbuck's.

It's better to have loved and lost than live with the psycho for life!
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post #13 of 25 Old 02-05-2009, 11:47 AM
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I'd leave the disc on if it were mine.

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post #14 of 25 Old 02-05-2009, 11:51 AM
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Quote:
Originally Posted by RC51_CBRXX View Post
These are the type that usually buy BMW's and hang out at Starbuck's.
not a member of the "mocha chocha latte skinny double sweet with soy and a sprinkle" kind ..... say it aint so...



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post #15 of 25 Old 02-05-2009, 11:59 AM
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Originally Posted by barton664 View Post
not a member of the "mocha chocha latte skinny double sweet with soy and a sprinkle" kind ..... say it aint so...
Yup, the kind that buy a "dual-sport" BMW but don't and can't take it off road.

It's better to have loved and lost than live with the psycho for life!
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post #16 of 25 Old 02-05-2009, 03:48 PM
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Quote:
Originally Posted by RC51_CBRXX View Post

The previous owner of the bike must have worn the pads to nothing. These are the type that usually buy BMW's and hang out at Starbuck's.
Never used the rear brake that i recall! Kept having a neighbor tell me to use it durning wheelies but i just let off the gas!! I never really like the power of the brakes or lack there of really, but I never put the stainless lines on either!!

If it were mine i'd just slap more pads on and not worry about it!!


Seriously I've never been to a Starbucks, a fellow here worked for the competitor and said they sucked! I do not know??

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Yup, the kind that buy a "dual-sport" BMW but don't and can't take it off road.
I've been off road just no pictures to prove it aint got the time or care too... Just about dropped it in the mud the other day!! what a hoot cant wait to go again!!!

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post #17 of 25 Old 02-05-2009, 08:56 PM
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Quote:
Originally Posted by McCrimmon View Post
+1 lay off the rear brake...really don't even need to be using it...you should be fine but just keep an eye on how the new pads are breaking in (if you even continue to use the rear brake)
haha, well when i said just roll, i didnt mean, dont use it, i meant more, its not that important.
i use mine a lot tho. hell im gonna need pads soon.

but most people say dont use it, then i say rossi uses it. then they say, im not rossi, then i say, i know that, but i can try my hardest to emulate him

then the arguement stops usually.

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...I'm slowly prepping the FZ...Goin to VIR with NESBA most likely next year since they are reasonably priced
^ Mark his words.

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post #18 of 25 Old 02-05-2009, 09:13 PM Thread Starter
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appreciate it everyone I am going to stick with the rotor and new pads. Worst case for me is that I have to get a new set later on. I do not feel that I use all that much rear brakes, but i don't not know how long stock pads should last.

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post #19 of 25 Old 02-05-2009, 11:35 PM
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Im sure you can get them machined quite cheaply....

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post #20 of 25 Old 02-06-2009, 02:25 AM
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Quote:
Originally Posted by Snikwad View Post
haha, well when i said just roll, i didnt mean, dont use it, i meant more, its not that important.
i use mine a lot tho. hell im gonna need pads soon.

but most people say dont use it, then i say rossi uses it. then they say, im not rossi, then i say, i know that, but i can try my hardest to emulate him

then the arguement stops usually.
Actually the more I thought about it yesterday the more I realized I do use mine here and there, probably most people do...Mainly during slow maneuvers and when sitting at a light...I guess for me it gets used maybe 10-20% of the time but not heavy by any means


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post #21 of 25 Old 02-06-2009, 06:55 AM
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its a good excuse to buy wave rotors tho... thats for sure.

Buy my Pirelli supercorsa takeoffs. sizes 120/180
Quote:
Originally Posted by McCrimmon View Post
...I'm slowly prepping the FZ...Goin to VIR with NESBA most likely next year since they are reasonably priced
^ Mark his words.

My 1000RR

Im on another forum.
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post #22 of 25 Old 02-06-2009, 07:34 AM
it's a honda, not a bmw
 
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When I swapped out my tires late last season I realized my rears were shot too, and the fronts are pretty close.

New pads are #1 spring upgrade. I'm thinking I should probably put new fluid in too, and if I'm going to bleed it I might as well upgrade to SS lines too.

I love it when upgrades and maintenance mix

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post #23 of 25 Old 02-06-2009, 10:00 AM
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I was going to say the same thing but it appears that hardly anyone cuts rotors any more. They just want to sell you new ones. Years ago when you did your own brake jobs you took the rotors or drums up the street to the auto parts shop most of the time they'd cut them while you waited.....

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Im sure you can get them machined quite cheaply....

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post #24 of 25 Old 02-06-2009, 04:38 PM
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Can you get crossdrilled or slotted rotors machined? Seems like I've heard you cannot.

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post #25 of 25 Old 02-06-2009, 04:40 PM
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Quote:
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Can you get crossdrilled or slotted rotors machined? Seems like I've heard you cannot.
yes... you have to have a machinist who knows his "poop" but yes... it is a slow and easy process....



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