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Old 11-07-2005, 10:29 PM   #1 (permalink)
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Default Brass/Gold Flakes in oil

Noticed when doing an oil change @13,000 miles I had like 6 small gold flakes at the bottom of my oil pan after draining the oil. Any one ran into this problem before and figured out what it is? I have an Idea that it could probably be some bearing ect. but what companants internally are bronze/gold.....?
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Old 11-07-2005, 10:34 PM   #2 (permalink)
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Haven't got a clue, I've not run into this before.
How big are the flakes?
Would they have made it down the oilways?
The description sounds like it's phosphour bronze but I don't know where in the bike there is any.
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Old 11-08-2005, 11:51 PM   #3 (permalink)
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The biggest flake was about the size of this "O", all the other flakes were half the size if not smaller about 6 flakes were found. So yes I would be safe to assume that yes the could get through the passages. One side of the flakes were gold/brass/bronze and the other side was silver.....
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Old 11-12-2005, 02:08 AM   #4 (permalink)
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reexamined flake and they were not bonze....oil made it look that way, ripped aprt oil filter and not found like 3 more tiny flakes...so i don't know yet prolby a bearing?
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Old 11-12-2005, 05:40 AM   #5 (permalink)
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I bet you a mill it's from the clutch/transmission. You have to remember the same oil that is used in the engine is used in the transmission.

Some people do not know this… Just letting you know…



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Old 11-12-2005, 07:47 AM   #6 (permalink)
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2000 could be right, have you missed any gears or are you haveing problems with gear changes?
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Old 11-12-2005, 12:45 PM   #7 (permalink)
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It's probably from the clutch basket or gears . I'd not worry about it given the relative small amount seen in an engine thats probably well run in with over 4k miles .

Alarming is when one see's hundred's in the bottom of a drain pan as the new engine is ran in . The worst I have personally seen at throwing off wear metals is some cheap copies of the Honda 90cc engine and the Ninja 250 .

Some throw off more than others do to design or machining / machining swarf but it's the norm , even in auto engines .

I always go for 2-3 oil drains w/o a filter change to drain it out and reduce tendancy to prematurely polish the bores during the first 600 or so miles . The larger particles cannot be fed through the oil pump screen . The only way to get the larger flakes out is to drain .
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Old 11-13-2005, 04:43 PM   #8 (permalink)
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brass or bronze shavings sound like a bearing to me- but just my opinion
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Old 11-15-2005, 03:46 PM   #9 (permalink)
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Read yrlegacy's third post where the color of the particles was revised .
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Old 11-15-2005, 06:32 PM   #10 (permalink)
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Quote:
yrlegacy - 11/07/2005 : 10:29 PM Noticed when doing an oil change @13,000 miles I had like 6 small gold flakes at the bottom of my oil pan after draining the oil. Any one ran into this problem before and figured out what it is? I have an Idea that it could probably be some bearing ect. but what companants internally are bronze/gold.....?
One question not asked is have you been doing any abnormal riding lately or have you had any strange noises prior to this oil change? Also, did you have anything similar to the particles mentioned in smaller quantity and/or same color during any other oil change or is this the first time ever? Did you recently change out your clutch with one of this type of material? Did you recently grind some gears when shifting?
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