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Break disc problem in my pulsar bike

Question asked by KSS Manian in #Coffee Room on Jul 4, 2013
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
Guys,

I have a problem with my bike front disc. The problem is, when i applied the brake my bike stop instantly, but after release the brake i gave the accelerator. but it doesnot move for a minute.

I hope its a problem with the pad and disc. 😔 😔. For the past 3 months i didn't applied the front brake.

please help me to get away from this problem. Posted in: #Coffee Room
Kaustubh Katdare
Kaustubh Katdare · Jul 4, 2013
CEO @ CrazyEngineers, TEDx Speaker, Guitarist
KSS manian : So I think the pads are jamming on the disc? Did you try checking the brake pads?
Jeffrey Arulraj
Jeffrey Arulraj · Jul 4, 2013
Member of CrazyEngineers
The problem is with the brake pads they are not recoiling as it should

Check it and also try to see if your brake cable is working good
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
yeah i did. but no one gave me a permanent solution.
i think the better option is i have to replace the complete set. 😀
Kaustubh Katdare
Kaustubh Katdare · Jul 4, 2013
CEO @ CrazyEngineers, TEDx Speaker, Guitarist
I'm not familiar with the recoil assembly of the bikes. I'm tagging zaveri . Let's see if he has any suggestions.
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
Conqueror
The problem is with the brake pads they are not recoiling as it should

Check it and also try to see if your brake cable is working good
Can you elaborate, what is recoiling??
Jeffrey Arulraj
Jeffrey Arulraj · Jul 4, 2013
Member of CrazyEngineers
The relaxing of brake pad once it is applied recoiling nothing Special

Sorry for my language
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
Conqueror
The relaxing of brake pad once it is applied recoiling nothing Special

Sorry for my language
cool, i too think so
zaveri
zaveri · Jul 4, 2013
Member of CrazyEngineers
Hey its the spring which has malfunctioned.

i dont have much knowledge about the anatomy of motorbikes, but from the basic knowledge which i have , i can say that there is a kind of spring or spring like device, which retracts the brake pads, once you release the brake lever.

this device material must have lost its elasticity, when you applied the brakes with full force.
most probably you will have to get this replaced. check with your mechanic or the service station.
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
zaveri
Hey its the spring which has malfunctioned.

i dont have much knowledge about the anatomy of motorbikes, but from the basic knowledge which i have , i can say that there is a kind of spring or spring like device, which retracts the brake pads, once you release the brake lever.

this device material must have lost its elasticity, when you applied the brakes with full force.
most probably you will have to get this replaced. check with your mechanic or the service station.
Thank you, Here No one resolved the problem.
I will ask my mechanic regarding this springs. I hope he dont know anything.😀. Here these guys are always learning from my bike..
Saandeep Sreerambatla
Member of CrazyEngineers
Check the brake oil generally that is called disc oil. Then check if the disk is jammed. Just pour some oil (coconut oil ) on the disc.. turn the wheel and check if the brake is working as desired. Then there will be a screw near the handle that should be optimally adjusted.

Check the above things 😀 hope your issue gets resolved.
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
English-Scared
Check the brake oil generally that is called disc oil. Then check if the disk is jammed. Just pour some oil (coconut oil ) on the disc.. turn the wheel and check if the brake is working as desired. Then there will be a screw near the handle that should be optimally adjusted.

Check the above things 😀 hope your issue gets resolved.
will check & try.. thank you
lal
lal · Jul 4, 2013
Member of CrazyEngineers
Ow wait! It is a disc brake right. Is there a screw at the handle for disc brake? I haven't seen it. I don't think so. It has got to do something with the calipers I guess. I don't think the coconut oil thing should be used. Check if the brake pads have worn beyond the permissible limit. Check for rust. And the brake fluid level. Again, I guess the calipper has somehow lost its smooth motion for not using it for three months. Could be rust again. It is better to take it to an authorised mechanic.
lal
lal · Jul 4, 2013
Member of CrazyEngineers
Oh, Gosh! I just discovered the adjusting screw near the handle 😁 Never knew one even existed. Thanks ES for pointing that out!
KSS Manian
KSS Manian · Jul 4, 2013
Member of CrazyEngineers
Can any point out? where is that adjustable screw?. Really this will able be solve my problem.[​IMG]
Kaustubh Katdare
Kaustubh Katdare · Jul 4, 2013
CEO @ CrazyEngineers, TEDx Speaker, Guitarist
lal
Oh, Gosh! I just discovered the adjusting screw near the handle 😁 Never knew one even existed. Thanks ES for pointing that out!
Click a photo, please! I'd like to know as well 😀
lal
lal · Jul 5, 2013
Member of CrazyEngineers
:update:
There are no adjusting screws. The thing I mistook as screw yesterday was the piston at the liver which was covered by a rubber cover. I managed to look under the cover to discover only a piston connected to the liver!

And another vital information: disc brakes are self adjusting!
Saandeep Sreerambatla
Member of CrazyEngineers
Oh!really? I have it for my bike. 2006 model 150 cc.

I usually repair my bike completely , even cleaning carburator etc.. I think you mistook it to a screw I dont know what it is called , but that can be adjusted.. I will post the picture of my bike.
KSS Manian
KSS Manian · Jul 5, 2013
Member of CrazyEngineers
English-Scared
Oh!really? I have it for my bike. 2006 model 150 cc.

I usually repair my bike completely , even cleaning carburator etc.. I think you mistook it to a screw I dont know what it is called , but that can be adjusted.. I will post the picture of my bike.
yeah sure ES. you can upload it. I think its a problem with that return spring which is shown in my previous thread. I will check with my bike
zaveri
zaveri · Jul 5, 2013
Member of CrazyEngineers
KSS manian

so then what are developments with your bike lately ? got the brakes fixed ?
KSS Manian
KSS Manian · Jul 5, 2013
Member of CrazyEngineers
zaveri
KSS manian

so then what are developments with your bike lately ? got the brakes fixed ?
Not yet. Engaged with some other works. Will check @ week end
Pulsar135
Pulsar135 · Jun 9, 2016
Member of CrazyEngineers
I too have similar or same problem.. can some one tell me how to fix this
Pulsar135
Pulsar135 · Jun 9, 2016
Member of CrazyEngineers
I have same or similar problem. If use the front brakes it wont free again.. after pressing the 2-3 times it releases the brake.
Can some tell me is the problem got fixed. So that I can try the same
KSS Manian
KSS Manian · Jun 9, 2016
Member of CrazyEngineers
Much happy to see this thread is still active even I sold my pulsar bike two years back. Answer to your question.

During that issue. I approached one street side mechanic. He dismantled the complete set, drained all the brake fluid from the tube. Later he cleaned the complete set with the washing powder. Dried under the hot sun for half day. Later he installed the parts and filled with new brake fluid. That's over.

After that everything was fine.
Funny part was I approached Bajaj SC for this they quote Rs.3500/-. This guy done everything within Rs.35/-.

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