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This came out of my oil when I drained it

  • Thread starter Thread starter thewozza
  • Start date Start date
Now I see what you're talking about. Without a size reference I was thinking it was bigger. More like a bearing race then the cage. Ya, that could be any number of gears. Any one of them would mean a critical problem.
 
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londonboards said:
I ask these questions as it's possible a PO had a problem, fixed the problem and inadvertently left some shrapnel in the motor. It happened to me. One of my motors whilst it was in the POs hands, had a clutch explosion. Whole engine was rebuilt but he missed the stuff in the sump.
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This, I have found pieces in engines that were repaired. Can't imagine a bearing missing that to not make some noise as it runs. How many of that size and style bearings are in your engine? If you are going to take it apart, flip the engine over, remove the lower case half, you should be able to see every ball bearing in the whole thing without opening up the top end. Unless it needs to be rebuilt anyway, which isn't all that likely on an 850G.
 
londonboards said:
Can you hear any rumblings?
Click to expand...

No rumblings, this was just a routine maintenance.

londonboards said:
How long have you had this engine?
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I've had it for about 5000 km, it has about 55k (kms) on it right now. But it could be 155k for all I know.

londonboards said:
When was the last time you took the sump off and looked in the sump strainer?
Click to expand...

I haven't done this, but I'll drop it tonight and take a look.

londonboards said:
I ask these questions as it's possible a PO had a problem, fixed the problem and inadvertently left some shrapnel in the motor. It happened to me. One of my motors whilst it was in the POs hands, had a clutch explosion. Whole engine was rebuilt but he missed the stuff in the sump.

You might have a good motor with one bit of metal floating about. You just might.
Click to expand...

I don't know the whole history of this motor. My story could be the same as yours, it is tempting to think so because there's no metal particulate in the oil or in the filter. But there's no way to know for sure and if it really is a bearing disintegrating...then I'm going to ruin something really bad in there if I continue to drive it.
 
tkent02 said:
If you are going to take it apart, flip the engine over, remove the lower case half, you should be able to see every ball bearing in the whole thing without opening up the top end.
Click to expand...

I'll do this. I'm putting another engine in there anyway, so I'll have all the time in the world to get to the bottom of this.
 
I guess having a spare engine makes it a lot easier. What condition is the engine with the extra bearing parts in?
 
tkent02 said:
What condition is the engine with the extra bearing parts in?
Click to expand...

It is dirty, but fundamentally it seemed to work. It didn't sound weird, and I ran it pretty much every other day on my commute into town which is about ~30km each way.

The only thing that was odd was it did some tapping on low-rev load, but I'm on higher octane fuel to see if that helps but I'm not convinced yet.

I wish there was an easy way I could say that this was just an errant piece of metal in the oil that the magnet caught. I haven't actually pulled the engine yet, just detached all the other parts and loosened the mounts. Getting the engine out on the right side is going to be challenging with the sidecar there.
 
So I have another engine, an 1980 GS850 that I think I can get in here, I just have to move my clutch parts over and drill out some stuck exhaust bolts. I had a 1979, but it isn't really compatible enough.

But there is news. I dropped the oil pan on my problem bike and this is what I found in there.IMG_20160704_143433.jpg

WTF is all that stuff? What business do those springs have being in my engine? The small black piece is plastic, who knows what from...
 
If it is the motor should knock like hell
hmm springs
I know of drum return and neutral piston but neither look like that
Sabotage?
 
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Changes oil.....

pile-of-scrap-metal-with-crane.jpg

:( Worst I ever found was the strainer completely full with a handful of clear silicone spaghetti from squeeze out.
Good luck
 
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