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1200 Front Brakes Bleeding - No Pressure

Discussion in 'Multistrada' started by Moocow, Apr 8, 2017.

  1. Wonder if anyone has any advice, I have absolutely no feel in the front brake lever at all no matter how much I am bleeding.
    Went in for the MOT yesterday, failed on a sticky front caliper. Found that one of them on each side was not moving back in so have pumped them out cleaned the seals and reseated them - they now push in nicely by hand with not too much resistence.
    Following this, obviously need to bleed out the system, but it just doesn't seem to be going to plan at all....

    Have tried the standard "pump, pump, pump and open the valve", suction bleeder kit and now on a one man check valve kit. Nothing at all seems to be working.
    Got fluid at the nipples, but it is like there is nothing going into the actual caliper and feel like I am just bleeding out the lines not the calipers themselves - which makes some sense to me given as both the line and the bleeder are in the same single point.
    How do I get the fluid back into the caliper body properly?
     
  2. Dont worry, figured it out.
     
    • Like Like x 2
  3. What was it? Did it need bleeding at the master cylinder?
     
    • Like Like x 1
  4. ....is what I was going to say. The nipple on the top of the master.
     
  5. Yeah exactly that. New one to me, done many a set of brakes on cars before, but this had me stumped for the morning.
     
  6. What a great forum this is: my MTS failed its MoT on Friday, thanks to excessive brake pressure fluctuation. So I stripped down the callipers over the weekend, cleaned 'em and then bled the system. And bled it again. And again. Still soft on the lever. Until I read this thread, which reminded me there's a master cylinder nipple. Which was full of air. Soon fixed, and now brakes are the best they've ever been. Which is actually slightly worrying, given the full service history…
     
  7. The clutch and brake need a periodic bleed, just to ensure they are top notch no different to a chain adjustment (although not as often). My clutch needs doing every couple thousand miles. :)
     
    • Agree Agree x 1
  8. Never felt or had the need (other than chain adjustment) to do this on any of the other bikes I've owned.
     
  9. It's more clutch than brake, clutch become a bit notchy and notice bite point changes, but while I'm doing one I always do the other :)
     
  10. I've had to bleed the clutch a couple of times when on tour after the bike has sat in the hot sun all day. Like @bradders I now bleed the clutch and front brakes at the master cylinders, as part of routine maintenance.
     
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