Gritty oil change
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Outstanding HDF Member
Joined: Jul 2007
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From: Woodinville, WA
Gritty oil change
Just flushed my oil prior to a long road trip and was amazed at what I got out. Because I wanted to check the amount of oil that came out I poured it into a milk jug. I left it over night so anything in the oil settled to the bottom.
When I poured the oil out of the jug there was quite a lot of particles in the bottom the size of large grains of sand (not the fine stuff). I ran a magnet across it to see if any was ferrous but nothing stuck (I guess that's a good thing). If I had to guess I'd say it's carbon - but there's no way carbon from the pistons can make it to the sump.
Any ideas?
When I poured the oil out of the jug there was quite a lot of particles in the bottom the size of large grains of sand (not the fine stuff). I ran a magnet across it to see if any was ferrous but nothing stuck (I guess that's a good thing). If I had to guess I'd say it's carbon - but there's no way carbon from the pistons can make it to the sump.
Any ideas?
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Outstanding HDF Member
Joined: Jul 2007
Posts: 3,341
Likes: 9
From: Woodinville, WA
I'm subscribing to the theory that since this is oil from the entire change there was grit around the outside of the bike near the filter that got into the pan. Don't know why I didn't think of this the first time! Must be paranoid.
Seasoned HDF Member
Joined: Apr 2006
Posts: 10,675
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From: Billings,Mt.
Did not see anything when I changed the motor oil at 5K.
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Outstanding HDF Member
Joined: Jul 2007
Posts: 3,341
Likes: 9
From: Woodinville, WA
I changed the tranny and engine at the same time. Perhaps bronze is from tranny? Beats me.
Seasoned HDF Member
Joined: Apr 2006
Posts: 10,675
Likes: 95
From: Billings,Mt.
If you dumped the oils in the same pan,probly from the tranny.
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