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Old 27th August 2008, 09:36   #1
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Default Brake Oil Change

Dear All,

The brake oil in my bike is almost over. The bike is HH Hunk and I am planning to put new oil in the bike. Since I don't reach the service station in time, I am planning to do it from an outside mechanic. Is it advisable? Also, which brake oil to put, what quantity and appx. cost of the same?

Kindly advise.
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Old 27th August 2008, 09:40   #2
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My experiance with changing the brake oil.

You can use DOT3 or DOT4.
It used to cost less than 100 bucks.
Refill is easy, bleeding needs skill.
Removing the screws on the cap is quite difficult as they jam up over time.
Be very carefull with the oil, it can eat away paint.

Quote:
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
HOLD
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 27th August 2008, 10:10   #3
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Quote:
Originally Posted by bblost View Post
My experiance with changing the brake oil.

You can use DOT3 or DOT4.
Any specific brand? Kindly suggest.
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Old 27th August 2008, 10:15   #4
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Use KBX brake fluid, why outside mechanic you can DIY.
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Old 27th August 2008, 10:19   #5
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I dont remember. I think it was Castrol.

After fixing my brakes my mechanic confiscated the bottle.
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Old 27th August 2008, 10:29   #6
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Quote:
Originally Posted by praJEEP View Post
Use KBX brake fluid, why outside mechanic you can DIY.
Thanks Prajeep. KBX I assume is Kalyani Brakes?
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Old 27th August 2008, 10:37   #7
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Quote:
Originally Posted by amtak View Post
Thanks Prajeep. KBX I assume is Kalyani Brakes?
Yes the same one very good brake fluid till date unfortunately i am not able to get one here in bangalore.

Last edited by praJEEP : 27th August 2008 at 10:41.
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Old 27th August 2008, 11:13   #8
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Infact, a random google search suggests that KBX is now been taken over by Bosch. So you should get it in BLR!
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Old 27th August 2008, 13:53   #9
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Quote:
Originally Posted by bblost View Post
I dont remember. I think it was Castrol.

After fixing my brakes my mechanic confiscated the bottle.

You shouldn't have allowed it. The bottle will be used to fill in Spurious Oil and sold of to unsuspecting customers as break oil.
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Old 27th August 2008, 13:58   #10
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Quote:
Originally Posted by DieselFan View Post
You shouldn't have allowed it. The bottle will be used to fill in Spurious Oil and sold of to unsuspecting customers as break oil.

Not my mechanic.
When I call him anna its not just because he is older than me but because of all the respect I have for him.

I am very lucky to have such a nice nice person as my mechanic.


OT: Maybe we should have a thread with dedicated to our mechanics.
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Old 27th August 2008, 14:53   #11
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It eats skin as well as paint, and causes serious problems if you get any in your eyes.

I know absolutely nothing about bikes, but...

Almost over? suggests to me it's leaking somewhere. May be not so much a refill as a good check-up needed. Maybe not a DIY job!
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Old 27th August 2008, 15:15   #12
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it is always better to get it done in the service center they ll be having those latest tools used for that job, and they use brake oil specified by the companys specs ,since they carry on these kind of jobs every time they ll be more skilled so its better than trial and error method.
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Old 27th August 2008, 20:13   #13
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What grade brake fluid does your bike have now, is it DOT3 or DOT4? Find that out first. HH recommends the use of either grade. But don't mix them, it's mentioned in the manual.
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Old 28th August 2008, 08:54   #14
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Default The problem is resolved

Hi All,

I went to the service station and they opened it for me. The oil was full. It is the color of the oil that is different from what I have seen in other bikes so far (RTR has red oil!). My other friends too had red brake oil so I was worried and took it to the service center. Showed it to my friends also who were saying its over!

Finally the matter is solved and no problem detected. Only worry I have now is, how do I know that it is over when it is really over? Any signs or symptoms?

@ Sankar: Thanks for the concern. I was planning to use Dot 4 as that is what the HH mechanic told me.
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Old 28th August 2008, 09:56   #15
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Is the colour of the brake fluid Yellow? That's what my Karizma has.

Well, it's easy to find out when the brake fluid level gets low. If reservoir is full the metal disc behind the viewing window will be red or yellow as per the colour of oil. Once the level starts to come down you can see the metal disc in steel's colour. Isn't it easy to spot the colour difference?
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