brakes have gone really stiff anyone?

Discussion in 'The Workshop' started by ludixblaster, Oct 21, 2009.

  1. ludixblaster

    ludixblaster Member

    Messages:
    295
    Rides:
    gilera runner 125sp
    when i pull both levers they are both like propa stiff like the brakes are either off or when you get past the stiffness there slammed on

    can you tell me what the problem is and why they are so stiff :banghead:
    need to get to college on it and its doin my head in lol

    nice one
     
    ludixblaster, Oct 21, 2009
    #1
  2. gregzzz

    gregzzz New Member

    Messages:
    1,517
    Rides:
    nrg
    Happened to me but ive fell off twice within the space of a week. If its disk you use dot4 oil and fresh break pads cost about a fiver if its drum u need new shoes all cheap like come up to about 30 quid?
     
    gregzzz, Oct 25, 2009
    #2
  3. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

    Messages:
    14,276
    Rides:
    et2 monster
    probably the seals in the caliper are fucked... this is usually the reason they stick on.. does the caliper get excessivly hot when you ride?

    best bet, loosen the bleed nipples off.. flush through wiht lots of fluid (just keep bleeding them and rewfilling the rez) then tighten them up and get them upto pressure.. if it still does it then change the rez.. chances are its the seals tho
     
    MiNoR cOnFuSiOn, Oct 26, 2009
    #3
  4. Stig

    Stig Well-Known Member

    Messages:
    1,462
    Rides:
    EXUP1000
    agree Minor

    crud usually builds up at the rear of the seals making the piston tight in the bore. You can sometimes get away with taking out the seals and giving everything a good clean in brake fluid...re-seating the seals and then refit the pistons

    Usually its easier to just renew....but again make sure the recess that the seal fits into is imaculately clean.

    Easiest way to stop the prob is to clean them regularly making sure the cruds removed from the surface of the piston
     
    Stig, Oct 28, 2009
    #4
  5. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

    Messages:
    14,276
    Rides:
    et2 monster
    and coper slip the back of the poads befor you fit them... its used to stop the buildup of shit in breaks..
     
    MiNoR cOnFuSiOn, Nov 2, 2009
    #5

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