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Old September 28th, 2018, 09:54 PM   #1
corksil
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Fork seals fouling brake pads?

One of the fork seals leaked. It saturated the brake caliper and both brake pads after the bike was parked for a few days.

Front brake is very weak. Took the pads off and cleaned them with a wire brush. Front brake still weak.

Did the fork oil foul my brake pads? I've got new ones on hand but don't want to change them out until I know for sure that the old pads are junk.

Plz help by adding your opinion. Thx!
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Old September 29th, 2018, 05:33 AM   #2
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I've had some luck using brake cleaner to clean the pads and the rotor, the pads are porous and will "soak up" oil so it's tough to get them clean, won't do much good till you get the fork seal fixed.
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Old September 29th, 2018, 06:26 AM   #3
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Been there, done that, got the t-shirt. The pads will never be the same again, just get new ones. After... you fix the seal.
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Old September 29th, 2018, 02:10 PM   #4
corksil
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I figured as much. Will put new pads on.

Weird that the seal leaked, and stopped leaking.

Suppose I could pull out all the internals from the top. Leave forks on the bike. Check oil levels.

Maybe somehow I had too much in one of the forks and it burped out the excess and is fine now? It's hard to really 'feel' the front forks without a strong front brake to squeeze and see how much they dive.

But they do feel alright.. I'll change the pads, ride it, make sure it's no longer leaking, and then see how the forks feel.

Nailing potholes at 60mph probably exceeds the mechanical limit of what this bike was designed to do.

Thx guys, input is appreciated!
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Old September 29th, 2018, 03:04 PM   #5
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Modern brake/carb-cleaner fluids are gutless without chlorinated compounds they had in past. Previously I've had good luck with soaking pads in those fluids for 48-hrs, then let sit out in sun for another week or so to dry out. Doesn't work anymore, have to get new pads.
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Old September 29th, 2018, 05:31 PM   #6
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Quote:
Originally Posted by corksil View Post
Weird that the seal leaked, and stopped leaking.

It's not really weird or strange. You live in a "sandy" environment. It's not crazy to think you got sand and debris in the seal and then between rain/wash and normal riding cleans it out fixing the leak.

In my parts, it's common to clean the seal and ensure a true leak before replacing. They even make a special tool to scrape under the seal.



The tool... free
Knowing how to use the tool... priceless

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Old September 30th, 2018, 07:57 AM   #7
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Quote:
Originally Posted by csmith12 View Post
They even make a special tool to scrape under the seal.

The tool... free
Knowing how to use the tool... priceless

Free...ahhh.
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Old September 30th, 2018, 01:47 PM   #8
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Dangit started leaking again

This is getting tiresome
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Old September 30th, 2018, 08:20 PM   #9
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Quote:
Originally Posted by csmith12 View Post
It's not really weird or strange. You live in a "sandy" environment. It's not crazy to think you got sand and debris in the seal and then between rain/wash and normal riding cleans it out fixing the leak.

In my parts, it's common to clean the seal and ensure a true leak before replacing. They even make a special tool to scrape under the seal.



The tool... free
Knowing how to use the tool... priceless

Would those deflectors above seals on newgen bikes help in this case?
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Old October 1st, 2018, 06:52 AM   #10
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i think they can help, during heavy decel the fork tubes will slide up more than the deflectors. might keep some debris off the lowest section, that normally gets the most movement across the seals.
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Old October 1st, 2018, 05:47 PM   #11
corksil
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I really wish there was a way to do this without tearing apart the entire front of the bike... wheel off... clipons off... everything.

After doing this project three times....... I DON'T WANT TO DO IT AGAIN

okay I'm done crying now.
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Old October 1st, 2018, 07:58 PM   #12
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Some might say, "its the cost of doing business my dude"
Others might say, "ya see... ya gotsta clean em up more often"
A few might say, "you just need to move"
Couple of riders might say, "just ride it man..."



























































The best dudes will say, "you gotta get a gixxer for dem dank whoolies yo!"
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Old October 2nd, 2018, 08:29 AM   #13
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Quote:
Originally Posted by corksil View Post
I really wish there was a way to do this without tearing apart the entire front of the bike... wheel off... clipons off... everything.

After doing this project three times....... I DON'T WANT TO DO IT AGAIN

okay I'm done crying now.
you could always pay a shop a couple hundred bucks to hopefully do it all correctly.
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Old October 8th, 2018, 06:05 PM   #14
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Replace your fork seals. Then take your calipers off, take the brake pads out, spray the calipers with your favorite brake cleaner til all the oil is off them, spray the rotor, put new brake pads on, put the caliper back on.
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