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Old 11th August 2008, 10:30   #1
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Default Disk Brake problem in Bullet

Hi Guys
After the much painful start up problems due to earthing of horn wire, my Bullet Electra is troubling me again.
Although it rides like a dream, but now my disk brakes have become really heavy.
So heavy that my front wheel is getting jammed due to excess hydraulic pressure.
Is there anything that i can do on my own to solve this?
Thanks in advance.
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Old 11th August 2008, 10:55   #2
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Bleeding, better done by a mechanic.

Originally Posted by bblost View Post
This Sunday, I found myself with a bottle full of DOT3 oil and some time.
The DOT3 was bought a couple of week’s back, but that day my mechanic's shed was closed.
I had been looking at the dot3 and thinking how to go about refilling my bikes disc oil.

I opened the main container and topped up the oil.
The brake was working fine.

The devil crept up my ear and kept reminding me that old oil is looking old.
Decided to bleed the brakes.

Opened the nipple cover and set up the spanner for the valve.
press brakes three times
open and close the valve.
Repeat the above.

complete loss of pressure in the brakes.
spent more than 4 hours trying to get the air out.
The valve was spitting out oil as expected but still no pressure.

finally went to the mechanic, Monday morning.
took him half an hour to fix it.

what I was missing
the hydraulic pump, needs to be opened up.
springs et all removed, flooded with oil and closed.
voila the brakes work fine now.

What I learnt.
riding a bike without brakes is more fun.cheers:
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Old 11th August 2008, 19:58   #3
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Originally Posted by bblost View Post
Bleeding, better done by a mechanic.
+1 just get it all opened up change the oil and stuff bet get it done from some one experiences.
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Old 11th August 2008, 20:57   #4
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Default check disk break calipers & piston

@zoom_vroom: While you are getting the bleeding done, ask the mechanic to check the disk break calipers and the piston. Sometimes if the piston gets jammed, it wont release the brake properly leading to jammed front wheel.

Another thing to check is whether there is any bend in the disk itself.
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