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Old 06-06-2015, 02:28 PM   #1
Crossfits
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Retrofit brakes

So I was rounding a left turn on the track, my front brake wouldn't brake hard and I completely lost it, ending up on my right side (yes, right side) under the bike.. Just normal bruises and bumps but the brakes me off. I am thinking of retrofitting some Yz brakes on the TTR.. Anyone had any luck in doing this? I have new brakes, there was some oily residue on the old ones, thinking from an old leaky fork seal before it was repaired. Any suggestions welcome..
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Old 06-06-2015, 04:54 PM   #2
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maybe they have an over sized rotor kit for it?
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Old 06-06-2015, 05:17 PM   #3
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Do you have drums on the front of that ttr or disc?
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Old 06-06-2015, 05:37 PM   #4
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Do you have drums on the front of that ttr or disc?
Disk
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Old 06-06-2015, 05:42 PM   #5
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Are you sure you didn't lock the front? This was on dirt right
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Old 06-06-2015, 05:58 PM   #6
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Are you sure you didn't lock the front? This was on dirt right
Yes it was in the dirt, but they didn't lock...it's not a one-time problem, today was like the final straw that just me off.. So, It has new pads and had cleaned the disk with brake cleaner, but it doesn't have adequate stopping power...
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Old 06-06-2015, 06:01 PM   #7
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Doubt there will be anything out there that is going to make a drastic change. Have you bled them?
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Old 06-06-2015, 06:02 PM   #8
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Also possibility of warped rotor.
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Old 06-06-2015, 06:02 PM   #9
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Quote:
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Yes it was in the dirt, but they didn't lock...it's not a one-time problem, today was like the final straw that just me off.. So, It has new pads and had cleaned the disk with brake cleaner, but it doesn't have adequate stopping power...
How many pistons are on that caliper? I'm betting a yz conversion would be quick and easy. You just have to make sure the rotor fits on your wheel and the caliper will bolt up. I'm guessing they would. Or, you could always try some sintered pads and a stainless brake line. How does the lever feel? Does it just mash to the bar and feel mushy?
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Old 06-06-2015, 06:04 PM   #10
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Doubt there will be anything out there that is going to make a drastic change. Have you bled them?
There's a number of things she can do. None of those symptoms reflect a warped rotor. She would at least have SOME stopping power in the rotor rotation. A warped rotor would pulse quite a bit and be very noticeable.
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Old 06-06-2015, 06:12 PM   #11
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The only symptom stated was no braking power. Which under heavy braking a warped rotor with air in the lines would cause the same issue. What size is it?
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Old 06-06-2015, 09:30 PM   #12
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How many pistons are on that caliper? I'm betting a yz conversion would be quick and easy. You just have to make sure the rotor fits on your wheel and the caliper will bolt up. I'm guessing they would. Or, you could always try some sintered pads and a stainless brake line. How does the lever feel? Does it just mash to the bar and feel mushy?
It doesn't feel mushy that I notice. There is no shaking or pulsing during the braking. I need to check the caliper in the morning, to determine.
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Old 06-06-2015, 09:53 PM   #13
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How long had you been riding and what is your estimated braking usage ? Sometimes they overheat causing weak stopping power and an upgrade is neccesary , maybe to a CRF250r
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Old 06-06-2015, 10:19 PM   #14
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How long had you been riding and what is your estimated braking usage ? Sometimes they overheat causing weak stopping power and an upgrade is neccesary , maybe to a CRF250r
About an hour, I don't brake too much (unless I'm in corners) due to the engine braking on that bike when I let go of the throttle, and I also have a 125sx... Crf might be a good idea though (if I decide to get rid of this one).
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Old 06-07-2015, 12:50 AM   #15
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Colin's ttr's at the boot camp stop just fine, so not sure what's wrong with yours.
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Old 06-07-2015, 08:14 AM   #16
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Yup, the brakes are more than capable. I don't know you or your riding abilities but I am certain I am faster than you and those brakes work fine. Oil on your brakes sounds like you need to service them.
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Old 06-07-2015, 08:14 AM   #17
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You don't need brakes to go fast any way.
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Old 06-07-2015, 09:36 AM   #18
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You don't need brakes to go fast any way.
This guy knows all about going fast with no brakes
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Old 06-07-2015, 10:34 AM   #19
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Any fork oil on the pads will render them useless. New pads and then try to bleed them before going to anymore trouble. That's what I would do at least.
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