Cold weather coolant prep ? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 32 (permalink) Old 10-21-2011, 03:00 PM Thread Starter
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Cold weather coolant prep ?

I plan on riding my '85 thu the winter if I can. At times, temps get to single digits here (not counting wind chill). Manual suggests a 50/50 mix (good to 31F). Should I go 75% coolant and 25% water for the winter ? I just took a 50 mile ride w/her and ran great. Wanna make sure I got enough protection. Mebbe some of our Canadian brothers would know.....thx in advance...



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post #2 of 32 (permalink) Old 10-21-2011, 03:35 PM
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Off the top of my head, a 50/50 mix should take you well below zero degrees farenheit

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post #3 of 32 (permalink) Old 10-21-2011, 04:44 PM
Crap, I WAS in 5th gear.
 
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50/50 is good to -34F. How's your Mom, Wolfie, were you able to visit her?
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post #4 of 32 (permalink) Old 10-21-2011, 07:47 PM Thread Starter
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Okay...

Will do the 50/50 then and pray...
And Kelly, just got it inspected yesterday, so now 100% legal....just waitin on a warmer day w/o wind (she's 45 mi away)...inspection was only 23 mi away,but was windy crossing the onion fields....gusts caught me by surprise a cupla times....thinkin mebbe Sat or Sun...less wind and sunny....thanks for asking bro !

Added question...bike had the green in it when I got it...my daughter bought a special red stuff for her aluminum Volvo....anyone know the diff ? Im thinking the red is meant more fore aluminum (or for the Brits, aluminium)...being an '85, the cooling jacket is probably already a bit clogged...Ive never gotten higher than half temp on the gauge yet, but hasnt been warm either.



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post #5 of 32 (permalink) Old 10-21-2011, 07:55 PM
Crap, I WAS in 5th gear.
 
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Short answer is the color doesn't matter, just don't mix brands or colors.
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post #6 of 32 (permalink) Old 10-22-2011, 06:40 PM Thread Starter
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Cool.....

Very cool....thanks Kelly........just need to flush it now and put the new in then....I see ya gotta bleed the air too (damn !)...*siiiigh*....
But lookin good for Mom's on Monday....



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post #7 of 32 (permalink) Old 10-23-2011, 10:03 AM
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Quote:
Originally Posted by Wolfie View Post
Very cool....thanks Kelly........just need to flush it now and put the new in then....I see ya gotta bleed the air too (damn !)...*siiiigh*....
But lookin good for Mom's on Monday....
Don't forget to used DISTILLED WATER in that 50/50 mix. Never use tap, rain or spring. As for the bleeding, it is easy. The bleeding valve can be reached without removing the gas tank.


Chris Glennon - Portland, OR
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post #8 of 32 (permalink) Old 10-23-2011, 10:59 AM
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Quote:
Originally Posted by Wolfie View Post
Will do the 50/50 then and pray...
And Kelly, just got it inspected yesterday, so now 100% legal....just waitin on a warmer day w/o wind (she's 45 mi away)...inspection was only 23 mi away,but was windy crossing the onion fields....gusts caught me by surprise a cupla times....thinkin mebbe Sat or Sun...less wind and sunny....thanks for asking bro !

Added question...bike had the green in it when I got it...my daughter bought a special red stuff for her aluminum Volvo....anyone know the diff ? Im thinking the red is meant more fore aluminum (or for the Brits, aluminium)...being an '85, the cooling jacket is probably already a bit clogged...Ive never gotten higher than half temp on the gauge yet, but hasnt been warm either.
I think the red/orange coolant has more or different corrosion inhibitors, and is what they call "permanent", and is supposed to be good for 5 year drain intervals.
The ordinary green or yellow ethylene glycol coolant is recommended to be changed every two years for maximum corrosion protection, IIRC.

IMHO the darker green coolant will be easier to see in the full/low slot in the cover on the coolant overflow bottle on the bike than the yellow stuff.

Wolfie, I think the coolant jugs have a chart printed on them indicating what temps you get protection for 50%, 60% and 70% concentrations of antifreeze.
I have run a 70/30 mix in my cars and trucks with propane carburetion to avoid freezing up the liquid/vapor converter in extremely cold weather, ie. -30 to 40*F.
You should be fine with a 50/50 mix down to minus 30s *F.

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Last edited by OlHossCanada; 10-23-2011 at 11:16 AM.
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post #9 of 32 (permalink) Old 10-25-2011, 06:42 PM Thread Starter
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Very, very cool !

Thanks all for the quick responses (gettin cold here FAST). I gotta do a de-goat now first though, because on my way to Mom's today the Belly blew out (1" hole). Have all the parts already and will do tomorrow ($16... plus 2, $2 Harley crush gaskets, all found locally...I got a custom Harley shop in hitching distance).
Once I do that, will flush the sys (found the other thread on that) then will refill 60/40 methinks. Its gets into the teens here, and with wind chill added, well, Id rather be safe. First bike in 27 yrs, and Id hate to crack the cooling jacket.



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post #10 of 32 (permalink) Old 10-25-2011, 06:48 PM
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Wind chill doesn't affect the bike, just the rider.

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