Author Topic: In Line Cooler  (Read 4735 times)

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Offline stock500

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In Line Cooler
« on: April 22, 2009, 02:53:28 PM »
Has anyone ever used those little aluminum in line coolers?  If they are worth the 20 bucks I would like my bike to run cooler.  I ride some tight trails that never open up to get air through the radiator, so if they help enough to make a difference it would be nice to know.
It's all in the wrist!  Save a tire, shift early!

Offline jfabmotorsports.com

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Re: In Line Cooler
« Reply #1 on: April 23, 2009, 12:34:55 AM »
Contact Neal Holt @ Fluidyne. He might be able to build a set for the K5. If they don't already.
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Offline stock500

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Re: In Line Cooler
« Reply #2 on: April 23, 2009, 02:32:41 AM »
I can get them for 20 bucks each on rockymountainatvmc.com if they are worth it.  I don't know if it really makes the motor cool enough to make a difference. 
It's all in the wrist!  Save a tire, shift early!

Offline kneedrager428

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Re: In Line Cooler
« Reply #3 on: April 23, 2009, 01:05:25 PM »
I put a set of those on my 04 kfx250. They are known for overheating. They did nothing for me. I had the inline gauge and it didn't change my running temps. Had to upgrade to the 05 radiators.

Offline KXcam22

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Re: In Line Cooler
« Reply #4 on: April 23, 2009, 01:09:25 PM »
It may be more effective to build an overflow bottle, upgrade the coolant and put on a higher pressure cap.  I found my K5 only got really hot when I was slipping the clutch.  I never got around to upgrading the cap. Cam.

Offline stock500

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Re: In Line Cooler
« Reply #5 on: April 23, 2009, 01:16:03 PM »
which coolant is the best??
It's all in the wrist!  Save a tire, shift early!

Offline ID KX500

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Re: In Line Cooler
« Reply #6 on: April 23, 2009, 04:24:13 PM »
I used Moose Juice, but there are others. Here's one called  Engine Ice.

http://www.denniskirk.com/jsp/product_catalog/Product.jsp?skuId=303686&store=&catId=&productId=p303686&leafCatId=&mmyId=


 I do a lot of the slow 1rst gear climbing slip the clutch in the heat of summer and haven't overheated yet. I made the mistake on an older KX500 of dumping drinking water in when hot. Not good it corrodes the aluminum radiators up if it isn't distilled water.
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Offline KXcam22

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Re: In Line Cooler
« Reply #7 on: April 23, 2009, 04:48:36 PM »
I run this blue honda car coolant, comes premixed 50/50.  I found some coolant website once that tested coolants and it was the one they universally recommended. I was told once that it is the same as engine ice but I don't know if its true (and I doubt it).  My next step in my 450 was to put in engine ice but I haven't needed it. I did the overflow tank and the coolant and have been good so far with no overheating even on those 1st gear days. Cam.

Offline 2-Stroke Tom

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Re: In Line Cooler
« Reply #8 on: April 23, 2009, 07:38:04 PM »
I remember when I used to race desert a lot, some of the people who went to flag the course that rode KX500's would run into heating problems. Temperatures reaching over 110 degrees, a big barrel to cool, and the lack of airflow through the radiator would plague some of these bikes. I know one thing that helped a lot was to run a lot more distilled water in the radiator than coolant (like a 70/30 ratio). Coolant has great anti corrosive properties and a high boiling point, but water actually does a better job of cooling the engine. I found this out when I blew a radiator hose in the desert on my van, and when I put pure water in the radiator, it ran a lot cooler. In conjunction with running a greater amount of water than coolant, it's also wise to run a higher pressure cap, as the higher the pressure, the higher the boiling point. I think Kawasaki lists various radiator caps for the K5.

Offline stock500

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Re: In Line Cooler
« Reply #9 on: April 24, 2009, 03:33:32 AM »
Great info, Thanks for all the replys.  Cam, I assume that the coolant you are talking about would be avalible from any auto parts store?  Is there a specific name or is it just Honda Coolant and it is blue in color?  I have had great luck with Pro honda gear oil, so I am sure this will be good.
It's all in the wrist!  Save a tire, shift early!

Offline KXcam22

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Re: In Line Cooler
« Reply #10 on: April 24, 2009, 07:56:47 AM »
Honda car and MC shops only I think.  Cam.

Offline maddoggy

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Re: In Line Cooler
« Reply #11 on: April 24, 2009, 08:16:50 AM »
stock500, you definitely will want to find a higher rated cap for slower riding. they offer a 1.1bar= 15.95 psi and a 1.6bar= 23.20 psi cap. last time i rode at st. anthony i had to run the 1.6bar cap because it was so hot that day. i would also run the engine ice. one of my buddies runs it in his ktm550 and it works wonders at lowering the temp.
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Offline Dutch-K5 Fan

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Re: In Line Cooler
« Reply #12 on: April 24, 2009, 05:26:42 PM »
Here's the part number of the bigger 1.6 cap.


     
Part #  49085-1073  (CAP-ASSY-PRESSURE,P1.6 )


Dutchie
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Offline KXcam22

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Re: In Line Cooler
« Reply #13 on: April 25, 2009, 07:58:47 AM »
I think that there is a good chance that the 1.6 cap is from the KX85.  I recall reading this somewhere. Cam.

Offline maddoggy

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Re: In Line Cooler
« Reply #14 on: April 26, 2009, 10:41:03 AM »
cam, it's just listed as an optional part in the k5 parts breakdown.

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