Maintenance & Technical > KX500 Original

KX 500 supermotard. (cooling problems).

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kaw rider:
There are alot of issue the K5 cooling systems has. Air bubbles is one, If the motor is not geared right it will over heat. Put a higher rated cap and see what happens.

Dutch-K5 Fan:
Maybe this can help, 30% bigger rads.
http://cgi.ebay.co.uk/KX500-KX-500-Performance-Radiators-Brand-new-MX012-/150487556105?pt=UK_Motorcycle_Parts&hash=item2309c1e009

Dutch

kawboy:
Thanks fellers, for all the advice.  I went up to a 170 main and ran it full tilt for about 5miles on the public asphalt. I didn't experience any overflow. But this is not the same as a 15minute session on a 1.2 mile track. I am going to get a higher pressure cap for sure. If all fails, then it looks like a set of those radiators will be next.

sandblaster:

--- Quote from: Dutch-K5 Fan on October 04, 2010, 07:15:59 AM ---Maybe this can help, 30% bigger rads.
http://cgi.ebay.co.uk/KX500-KX-500-Performance-Radiators-Brand-new-MX012-/150487556105?pt=UK_Motorcycle_Parts&hash=item2309c1e009

Dutch

--- End quote ---

Those rads look great.
I bought a pair that are 30% over sized except they were made in (GULP) China!
With the exception that they messed up all the mounting hole sizes the radiators work flawless and look great.
No over heating problems with 50/50 and a stock cap.

kwakman:
I do believe that when ran on the road as a daily bike, the common consensus is that you will net to jet a little richer, which helps temp wise and with oil.Also, give her a good blip when downshifting when slowing down, cos if it aint pinned its getting no oil.

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