Maintenance & Technical > KX500 Original

aftermarket radiators

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afritts4u:
I posted a few overheating colums. Raced the GFI Elsinor GP and overheated again. I checked the entire cooling system and all is well, impeller, jetting, cap seal ext. The only thing wrong is my smashed radiator fins. Tryied to streighten them but they are thrashed.

Does anyone make an aftermarket radiator for KX500. New factory ones cost about $450.

hughes:
You need to search ebay. I think I just saw some this week.

motoxjustin:
EBAY EBAY
Item number: 4592390113 is a right radiator and Item number: 4592449734 is the left.[/b]

John:
afritts4u,

Your radiator fins have to be seriously damaged before it will have an impact on the cooling capacity. Have you checked the obvious like spark plug, radiator vent cap, higher compression due to carbon build-up, clogged coolant channels etc?

You probably want to make sure that swapping the radiators will actually fix your problem before you buy them?

FYI: You can buy radiator cleaning stuff which you mix with the coolant. If someone has made a cheap repair using coolant sealer, that could cause the smaller channels in the radiators to clog up. Unfortunately, the radiator cleaner will probably make your radiator leak again...

You should also use the proper radiator liquid even during the hot season. Benefits are; no rust and slightly higher boiling point in your cooling system.

//John

afritts4u:
Thanks for the response. I will try the flow test and clean it out well. I also was not suspecting the radiators themselves, but process of elimination was leading me that direction. I ran it with the cap off and saw great flow, however that flow may not be making it to the "In Between" spaces. ALso going to try a new cap.

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