Rust on brake discs - Harley Davidson Street Forum - Street 500 and 750
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post #1 of 10 Old 08-05-2018, 07:08 AM Thread Starter
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Rust on brake discs

Hello,


recently I noticed that my brake discs (rotors) are covered with spots of rust (please take a look at the pics). I contacted my HD dealer asking for a guarantee replacement (I keep the bike under roof so it's not getting wet all the time do to weather we have in Poland ). Now I received decline with explanation, that this is normal situation. In the dealership they told me, that this issue is typical to all HD bikes (which I do not believe). This is the very first time I see rust on the discs on the "anodized" part which should be rust-resistant....



Question form my side:
1) are you experiencing similar behavior on your bikes?
2) have you tried to use guarantee replacement for this issue and with what result?
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post #2 of 10 Old 08-05-2018, 02:57 PM
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They may be right - it may not be the discs that are rusting - instead it may be the residue / dust from the pads that is rusting - it happens a lot to my car

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post #3 of 10 Old 08-05-2018, 07:00 PM Thread Starter
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They may be right - it may not be the discs that are rusting - instead it may be the residue / dust from the pads that is rusting - it happens a lot to my car

Nope- it's rust (confirmed also by the dealer and myself- wouldn't bother them if I was not sure). They just claim it's ok to have this on rotors. Harley quality
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post #4 of 10 Old 08-05-2018, 09:39 PM
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Clean it with some WD40 you will be fine it not serious rust. Bike must get really wet and stay that way.
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post #5 of 10 Old 08-06-2018, 03:55 AM
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The rear disc on my Street Rod is the same autko, just have to lump it I guess.
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post #6 of 10 Old 08-06-2018, 06:38 AM Thread Starter
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The rear disc on my Street Rod is the same autko, just have to lump it I guess.

ok- at least I know I'm not alone Anyone else experiencing the same?
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post #7 of 10 Old 08-07-2018, 01:39 AM
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Lol, I think you misunderstood what I was saying - I agree it is rust, however in my case it is not the disc itself that was rusting but we found it to be the residue / dust left by the pad after use.


I don't think it should affect the performance of the brakes once they have been used it should come off.

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post #8 of 10 Old 08-07-2018, 06:26 AM
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I suggest some steel wool to remove the spots and then some light coating of WD-40 or something siimilar. Wipe off any excess with a dry cloth.
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post #9 of 10 Old 08-08-2018, 07:15 PM Thread Starter
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I don't think it should affect the performance of the brakes once they have been used it should come off.

Braking performance is OK- it's just the looks (quality)


And the rust is on the part of the rotor that has no contact with the pads- as I ride it quite frequently ther's no chance to have rust on the "breaking area"

Last edited by autko; 08-08-2018 at 07:18 PM.
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post #10 of 10 Old 08-08-2018, 07:23 PM Thread Starter
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I suggest some steel wool to remove the spots and then some light coating of WD-40 or something siimilar. Wipe off any excess with a dry cloth.

Used "chrome polish paste" and it worked- lets see for how long
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