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mz rt 125 back brake ( gone )
Moderators: DAVID THOMPSON, phlat65
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mz rt 125 back brake ( gone )
by gjmzbiker » Thu Jul 09, 2009 8:02 am
any one now why the back brake just stops working.. then when you bleed it nothing happens the caliber empty's but the reserve is full .. the peddle has no pressure what so ever any ideas
- gjmzbiker
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Re: mz rt 125 back brake ( gone )
by Old Dog » Thu Jul 09, 2009 11:17 am
Sounds like your pump is shot
All the best
Old Dog
He hath no grave, is covered with the sky and the way to heaven out of all places is like in length and distance
Old Dog
He hath no grave, is covered with the sky and the way to heaven out of all places is like in length and distance
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Re: mz rt 125 back brake ( gone )
by robert mack » Fri Jul 10, 2009 10:50 am
i have the same problem. will be stripping the calliper in the next hour or so. have you tried changing the seals??
British by birth,Scottish by the grace of God.
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robert mack - Posts: 80
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Re: mz rt 125 back brake ( gone )
by DAVID THOMPSON » Fri Jul 10, 2009 10:00 pm
if the piston at the foot pedal is not retracted all the way when your foot is not on the pedal---
new fluid can not enter the system from the
Hydraulic Fluid Reservoir check pedal adjustment
and the rt125 is a hard one to get the AIR out of the system
dave
new fluid can not enter the system from the
Hydraulic Fluid Reservoir check pedal adjustment
and the rt125 is a hard one to get the AIR out of the system
dave
Dave 2002 MZ RT125+1995 Saxon Tour(500cc)
1997 MZ 660 Traveller+6/13/09 WV USA
"IN the end times the IDIOTS will be in charge
of everything"
"I like the road less traveled if it's PAVED!"
wd8cyv at yahoo dot com
1997 MZ 660 Traveller+6/13/09 WV USA
"IN the end times the IDIOTS will be in charge
of everything"
"I like the road less traveled if it's PAVED!"
wd8cyv at yahoo dot com
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DAVID THOMPSON - Moderator
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- Location: Parkersburg, West Virginia USA .questions answered MZ 95 up, BMW 1953 to 1979 and ham radio WD8CYV
Re: mz rt 125 back brake ( gone )
by robert mack » Mon Jul 20, 2009 3:19 pm
it might help if you flush the system out with fresh fluid. ive been struggling for about a week to get good
pressure. flushed the system through(about 4 reservoirs worth) tightened up the bleed screw and presto! back brake is solid.
and because your replacing the fluid, it gets all the air out.
pressure. flushed the system through(about 4 reservoirs worth) tightened up the bleed screw and presto! back brake is solid.
and because your replacing the fluid, it gets all the air out.
British by birth,Scottish by the grace of God.
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robert mack - Posts: 80
- Joined: Thu Apr 23, 2009 8:16 am
Re: mz rt 125 back brake ( gone )
by robert mack » Tue Jul 21, 2009 11:34 am
have you changed the seals mate??
as i said above i had flushed it out last night.
checked it today and was soft again. changed the seals, bled the system to death and now its solid.
how is the calliper itself?.
if its scored on the inside then it can let fluid through
HTH
as i said above i had flushed it out last night.
checked it today and was soft again. changed the seals, bled the system to death and now its solid.
how is the calliper itself?.
if its scored on the inside then it can let fluid through
HTH
British by birth,Scottish by the grace of God.
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robert mack - Posts: 80
- Joined: Thu Apr 23, 2009 8:16 am
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