Coolant is cloudy?


3 replies to this topic
  • ericus

Posted May 09, 2013 - 06:57 AM

#1

Hi. Today I started up my YZ450F for like 30-60 secounds, and after that when I inspected my coolant level I noticed that the coolant has gone cloudy. I didn't see trough it, down to the radiator fins as I used to be able to do. At first is was these tiny, tiny bubbles in it, like it was sparkling water. So I waited for like 10-15 minutes and checked again, still the same but no bubbles that I could see.

There was no oily film on top of it, and when I dipped a piece of paper into it the paper came up light, clear blue, like the color of the coolant. When checking the engine oil dipstick the oil looks just healthy.

When I got the bike I changed the coolant from green (maybe propylen, don't know) to blue (ethylene). I flushed it out before changing, but maybe not enough?

What could be causing this, or is it normal?

For what it's worth, here's a picture of it:
https://dl.dropboxus...0509_162557.jpg

  • ericus

Posted May 10, 2013 - 01:30 AM

#2

Please help me out with this!

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  • grayracer513

Posted May 10, 2013 - 06:30 AM

#3

It could be a number of things, but almost all of them are nothing to worry about. If you're concerned about it, just change it out again. Cloudiness could be nothing more than a reaction to being heated in contact with air, or sediment stirred up by the fresh coolant.

  • ericus

Posted May 10, 2013 - 07:00 AM

#4

It could be a number of things, but almost all of them are nothing to worry about. If you're concerned about it, just change it out again. Cloudiness could be nothing more than a reaction to being heated in contact with air, or sediment stirred up by the fresh coolant.


Thank you very much! I changed it to propylenglycol, we'll see if it happens again.





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