Nothing new but still need help, Rear Brakes. - MVAgusta.net
 
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post #1 of 8 (permalink) Old 09-18-2011, 01:58 PM Thread Starter
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Nothing new but still need help, Rear Brakes.

I know they aren't great and I don't use them much but I used to have some function. 5500 miles, and tried them and nothing. Resevoir is full, bled them with no change. They stop the tire spinning it on a lift but do nothing to slow the bike when coasting. Pads look new, I'd like them to at least be as bad as they used to be. What is the issue and why does this happen on all of them? Anyone tried to ask MV directly?
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post #2 of 8 (permalink) Old 09-18-2011, 02:10 PM
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Happens on my 750.
It failed the MOT for it. I have changed the brake fluid to racing stuff and it has made no difference.
Mine stop working after as little as 30 miles after changing the fluid and bleeding.....
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post #3 of 8 (permalink) Old 09-18-2011, 02:18 PM
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I relocated my rear reservoir up under the seat and have not had a problem since. It is my understanding that the fluid gets too hot being next to the exhaust. The heat takes different properties out of the fluid and makes it worthless.

I realize this is a problem for ALL the bikes but the fix is easy. I spent a hour and a half and $5.00 to take care of the issue.

This upgrade should probably be performed by all MV dealers before the bike hits the sales floor.


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post #4 of 8 (permalink) Old 09-18-2011, 03:22 PM Thread Starter
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Can I have some details on this, instructions, pics, whatever you got please? Want to fix it but would prefer not to waste too much time or money on it.
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post #5 of 8 (permalink) Old 09-18-2011, 03:32 PM
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Sure, I'll get some pics taken tomorrow.


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Take off your pants and jacket

01 750S W/1000R engine
01 Ducati 748 W/853 kit
03 Yamaha R1 (SOLD)
01 Kawasaki KX 125
88 Yamaha YSR 50
01 Yamaha R6
03 Suzuki DRZ pitbike
1982 Honda 110 atc
Yamaha PW50
1978 Honda 90 atc
2011 Yamaha Grizzly 700
2008 Yamaha Raptor 660
1975 Kawasaki G5 100
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post #6 of 8 (permalink) Old 09-18-2011, 07:26 PM
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Quote:
Originally Posted by jchaplin4 View Post
Can I have some details on this, instructions, pics, whatever you got please? Want to fix it but would prefer not to waste too much time or money on it.
Hey bud

All the info you need is in the following link, about half way down the page.

http://mvfaq.blogspot.com/2005_09_01_archive.html

Cheers
Simon
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post #7 of 8 (permalink) Old 09-19-2011, 12:48 AM
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When I first picked up my 09 1078 the rear brake was useless but I adjusted the actuating rod and now they work fine, a word of warning on mine I adjusted it a little too fine and started to lockup the rear brake on down hill when trail braking into corners causing the sphincter to tighten Cheers P
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post #8 of 8 (permalink) Old 09-19-2011, 01:00 AM
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Thumbs up Wtg

Quote:
Originally Posted by cooper3309 View Post
I relocated my rear reservoir up under the seat and have not had a problem since. It is my understanding that the fluid gets too hot being next to the exhaust. The heat takes different properties out of the fluid and makes it worthless.

I realize this is a problem for ALL the bikes but the fix is easy. I spent a hour and a half and $5.00 to take care of the issue.

This upgrade should probably be performed by all MV dealers before the bike hits the sales floor.

Spot-On Coop!!


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