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Coolant system burp - how?

Old 07-06-2013, 05:49 AM
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Coolant system burp - how?

Hello,

In anticipation to my upcoming Mid Ohio track day I drained all the coolant and replaced with water wetter, distilled water and a little antifreeze for lubrication.

Ambient temp outside is about 75 degrees and after bike running for a few minutes temp went to half way on the temp gauge, fans kicked on temp lowered but just below the half way mark. Went for a test ride hoping to move what little air may be trapped in the system but to no avail.

It ran cooler prior to adding the water wetter any ideas on how to burp my bike?

I appreciate it.
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Old 07-06-2013, 07:26 AM
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Could it be the change in fluid? That is where my bike runs all the time...
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Old 07-06-2013, 07:32 AM
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Do u mean bleeding the coolant system? There is a sure way to do this. run till the fan kicks in. pour water till it is at the brim. make sure the radiator cap rubber is not swollen/ hard/ jam. pour water over the max mark at the reserviour. go ride it till its hot. cool it down. check coolant level again.
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Old 07-06-2013, 07:41 AM
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Yeah I did that exact process but thought it would run cooler is all. I'll keep playing with it. Thanks!
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Old 07-07-2013, 10:39 AM
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water wetter and distilled is probably all you want to do for the track. adding regular coolant is actually restricted by a lot of trackday orgs and/or tracks.

regular coolant is very difficult to clean off the track.

Water Wetter - mixed as suggested
Engine Ice - no mixing and has some protection from freezing in winter

Both of these have proper lubricating and cooling formulas for a motorcycle.

-----------
burping...I thought 3-4 minutes of warm up, then crack the throttle a few times would burp the system (according to manual)?
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Old 07-07-2013, 10:48 AM
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Yep all is well. I put a little antifreeze for lubrication purposes only. Its such a tiny amount it didnt change the color or the mix.

Thanks for writing in !
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Old 07-08-2013, 01:11 AM
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Originally Posted by Tebs View Post
Yep all is well. I put a little antifreeze for lubrication purposes only. Its such a tiny amount it didnt change the color or the mix.

Thanks for writing in !
Well... If it changes the color of the mix has got nothing at all to do with it... If the rules say no coolant, then you either run no coolant at all, or stay the f**k off the track... I suggest you re-do it all over without it before you go to any track...

I know that if you where to dump that on a track where I was reponsible for cleanup, you'd get a nice little bonus payment at the end of the session...

The smallest amount of it in the water makes the spill "greasy" and a PITA to get off the track surface... Takes multiple passes with the chalk and brushes, and wastes everyone's time, annoying people to no end...
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