Rear Brake Problem

1 reply to this topic
  • jcburni

Posted March 03, 2007 - 10:53 PM


I started with pushing my caliper pistons back to change my pads. When I went to push the brake pedal to align the new pads there was no pressure. I've bled the brake numerous ways. The syringe method, gravity bleed and traditional, but no matter what I try i still have no pressure. When i compress the pedal, bubbles rise in the mc resevoir. Do you think my seals are blown or do i just have trapped air?:applause:

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • flintlock28

Posted March 04, 2007 - 05:13 AM


More than likely ,it's just trapped air. When I pushed my caliper piston in, it took quite a number of pumps to get the piston to move back in position.

Try taking the master cylinder cap off, and slowly pumping the brake lever. After quite some time (make sure you keep the master cylinder with enough brake fluid in it) you should begin to see the caliper piston start moving.

Related Content


Thinking about Yamaha 250... by Arctic Pride

Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  491 replies

James Stewart back on a YZ450F by YamaLink

Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  47 replies

yz250x vs 450 4t comparisons (preferably desert riding) needed by JakeNorthrupYZ450F

Dirt Bike   Make / Model Specific   Yamaha   Yamaha 2-Stroke
  • 9 replies

100 hrs on 2014 yz450f, shim valves or replace them? by ttr230rider6

Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • Hot  79 replies
WR Camshaft Swap Info - last post by jamesm113

WR Camshaft Swap Info

  • 0 replies

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.