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Old 06-08-2011, 01:53 PM   #1 (permalink)
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Default Brake fluid leaking

Hey there. Wondering if anyone has experienced a front brake fluid leak. I was riding today and looked down at my right boot to see an oily sheen on it. I stopped to check it out and it looks like brake fluid is leaking. It was slung all over my tire, fork etc so I couldn't really tell where it was coming from. Once I got home I cleaned it up and it appears as though it may be coming from around the banjo bolt. I looked at the reservoir and it looks to be empty or close to it. Any ideas? It's been hot here (approx mid 90's during the day) but I'm not sure that would contribute to anything or not.

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Old 06-08-2011, 02:50 PM   #2 (permalink)
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If it's leaking from the banjo bolt, I'd drain the reservoir all the way, change the crush washers on the banjo bolt, and put the banjo bolt back in the reservoir and see if that has any effect on it. I don't have torque settings for the bolt.

And wash your bike. Brake fluid is nastiness to have everywhere.
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Old 06-08-2011, 06:47 PM   #3 (permalink)
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Quote:
Originally Posted by AdmiralKit View Post
And wash your bike. Brake fluid is nastiness to have everywhere.
I second that...nastiness

Also dont torque down the banjo too hard.They break easily because they are hollow.
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Old 06-08-2011, 07:55 PM   #4 (permalink)
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Quote:
Originally Posted by AdmiralKit View Post
If it's leaking from the banjo bolt, I'd drain the reservoir all the way, change the crush washers on the banjo bolt, and put the banjo bolt back in the reservoir and see if that has any effect on it. I don't have torque settings for the bolt.

And wash your bike. Brake fluid is nastiness to have everywhere.
Quote:
Originally Posted by DMonster1 View Post
I second that...nastiness

Also dont torque down the banjo too hard.They break easily because they are hollow.
Ok thanks for the info. Any suggestions on where to pick up crush washers?
I'm going out now to wipe it down real good and get all the funk off
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Old 06-08-2011, 08:02 PM   #5 (permalink)
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Ok thanks for the info. Any suggestions on where to pick up crush washers?
ummm, almost any motorcycle shop? pretty standard part, most every bikehas them
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Old 06-09-2011, 10:08 AM   #6 (permalink)
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That or an auto parts store... take the banjo bolt in and tell them you need crush washers for it, they'll get you what you need. They're just copper or some other soft metal which will form around the banjo bolt when you tighten it down.
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Old 06-09-2011, 11:45 AM   #7 (permalink)
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Clean that bike really good. Break fluid is very corrosive and it will eat/damage paint coatings really fast.
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Old 06-10-2011, 01:41 PM   #8 (permalink)
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Thanks for all the input guys. After further investigation today it is NOT the brake fluid. Felt the fluid and smelled it and it had a more thin oily make up. Cleaned everything up and waited... returned to find a puddle on the lip of the front wheel. Looks like it's coming from the fork. Appears I have a bad fork seal I'll do a search and see if I can find any information on this problem.
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