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Old 03-28-2008, 09:27 PM   #1 (permalink)
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When I changed my fluids last week I was surprised at the state of the fluid in the rear master reservoir.

It was dirty, only 12000 mi and it was blackish with a bunch of crud floating around at the bottom. I got it all cleaned up, but I was wondering if anyone else has experienced this. The bike came out of the showroom in Oct 06 and the rear reservoir cap had never been taken off until last week.

Makes you wonder if you should check it even on a new bike.
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Old 03-28-2008, 09:51 PM   #2 (permalink)
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the clymer manual I have for my 1100 says to change the brake fluid at 22k miles. my buddy has a bmw ant thats a seperate service requirement. so check you manual with the type of fluids used today it might be due.
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Old 03-28-2008, 10:32 PM   #3 (permalink)
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Since Honda's use DOT 4 fluid which absorbs moisture faster than DOT 3 it should be changed annually no matter what the book says. Mileage has nothing to do with the life of brake fluid.
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Old 03-28-2008, 11:01 PM   #4 (permalink)
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Davogd430 wrote:
Quote:
Since Honda's use DOT 4 fluid which absorbs moisture faster than DOT 3 it should be changed annually no matter what the book says. Mileage has nothing to do with the life of brake fluid.
I realize that, it was only about 12 mos from new to whenI put it away last fall, and winter here is very dry, so I wouldn't expect much moisture accumulation.

I don't know what the crud was, kind of fluffy stuff, possibly a product of water in the fluid, DOT4 maxes out at about 3% H2O, so presumably you get a precipitate after that.

Hoping some expert has an answer, although it is just curiosity, I'm going to change it every year regardless. Especially now I have my Speedibleed set up, I can do it single handed in under an hour.
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Old 03-29-2008, 08:05 AM   #5 (permalink)
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I just changed mine out recently, and while the front and rear were not too bad(don't know the PO service record) the clutch fluid was very dark and full of crud. Took 3 fill ups of the reservoir to clear it and all the crud out.

Still haven't received my speed bleeders yet,but will install them next winter and flush the whole system out again.



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Old 03-30-2008, 12:14 PM   #6 (permalink)
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sounds like the fluid was not changed since new.....its just the new crud all washed out and settled...change it and check again later.....if still dirty then you can worry.
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Old 04-19-2008, 07:17 PM   #7 (permalink)
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I have an 86' GL1200-I with 38K miles. The PO talked about all the maintence that had been done to the bike before I bought it. Lets face the PO looses interest they dont ride it, it sits, thats Usually why they sell it.

After I bought mine, I had just changed oil & filter(dirty) brakes felt ok clutch felt ok then I came to a stop and no clutch, I could not shift out of or into another gear. Luckly I was a couple of blocks from home. I went home pulled the clutch master cover,Fluid levelwas very low. The sight glass was dark it looked like it was full. I filled it up and there was allot of crud it the clutch master I did not drive it until I flushed the clutch fluid, replacing all fluid, did the both the front resievour and rear, both were dirty but not as bad as the clutch.

Ill tell you that the brakes take less effort and the stop allot better, the clutch feel allot better too.

My rear gear oil was very dirty too, the bike feels more responsive after change

Maintenance is very important

Gary


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