Question about 2008 Yamaha YZF-R1

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Having problem with my front brake for Yamaha R1 , the brake pads are locking while am riding n it happens after about a mile. The problem started after replacing a brake lever . Any solution ?

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OK.... The problem is your brake lever. There is nothing wrong with your braking system, Master Cylinder is fine, pads are fine, fluid is fine, everything is fine. Replace that brake lever with the original one your took off, if not, it will cost you your life. I know I was almost killed due to the wrong brake lever. Everything on the new lever looks right. Right? Same, pin hole size, the plunger seems to fit perfect, the brake light switch flange, it fits, appears to work fine, doesn't bind.. Then wham!! You lock up. DO NOT RIDE WITH THAT NEW LEVER ON.. No matter how expensive it was. Live with the Stock one until you can be sure that the next one you buy is absolutely and irrevically safe to ride with. This MOD is not worth your life. FYI, my lock up occurred in the dark, US 101, lane three, 80mph. 80mph to 0mph in 1 second flat. Bike did not flip just came to a massive stop. I will spare you the "Most frightening 2 minutes of my life". I have 26 years of riding experience, and one stupid mod nearly took my life, and my bike, and more importantly, could have taken someone else's life, or scarred them for life had they hit me... Just saying'.
Happy safe riding. Phil.

Posted on Feb 06, 2013

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First look at the lever, if still doing it, it could be the seals starting to push out due to sh?t building yp behind them, this is oxidation, his pushes the seals out till the pads ore held in place and makes the pads n discs hot. It may need new seals depends on milescovered I suppose, my 99 BUSA had the problem, all cleaned out and good to go now, where ya live.
good luck

Posted on Jan 03, 2015

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I had the same issue, i change the piston inside the master cylinder, the problem was still there.
Then i changer le brake lever, it turns out it was banded a bit and it was braking slightly, enough for the pads to touch the disc and heat the fluid up until the pressure is going mad, at a point it would lock your front brake.

hope that would help someone.

Posted on Jun 14, 2012

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U might replace the whole front brake assembly for continuous safety.

Posted on Feb 23, 2012

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Posted on Jan 02, 2017

SOURCE: seems to be slight scraping sound from front

Seems like the brake pads needs replacing!

Posted on Jun 18, 2009

  • 5 Answers

SOURCE: 99 r1

Your calipers are getting hung up because they are over heating. you could have to much fluid in the system, and it is not letting the pistons back into the caliper. You can rebuild the calipers or try to drain and bleed your brakes over again it might work it might not

Posted on Jul 06, 2010

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