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Overheating problems KLX450R? Overheating problems KLX450R?
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Old 12-23-2008, 03:06 PM   #1 (permalink)
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Default Overheating problems KLX450R?
Anyone experiencin any overheating problems and /or have a cure?

Thanks
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Old 05-29-2009, 12:15 PM   #2 (permalink)
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did you ever find a fix?
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Old 05-30-2009, 10:23 PM   #3 (permalink)
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I get the same problem with my 08 kx 450 when im riding on trails. It stay alot cooler when im riding tracks and i keep it wined out
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Old 05-31-2009, 11:59 AM   #4 (permalink)
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I was asked by someone about the overheating; I can't even remember who asked me Getting old I guess?
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Old 06-01-2009, 10:46 AM   #5 (permalink)
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Trail riding can be pretty brutal on these bikes. They have no fan to force air through the radiator. I've seen a lot of bikes start to boil out the caps on trail rides. Best thing you can do is always try to stay moving, once it happens though just let it sit and cool off. You could run engine ice radiator fluid in the bike for a better cooling coolant. I'm not sure if after market water pumps would improve cooling performance too?
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Old 06-01-2009, 04:06 PM   #6 (permalink)
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Quote:
Originally Posted by MerC View Post
Trail riding can be pretty brutal on these bikes. They have no fan to force air through the radiator. I've seen a lot of bikes start to boil out the caps on trail rides. Best thing you can do is always try to stay moving, once it happens though just let it sit and cool off. You could run engine ice radiator fluid in the bike for a better cooling coolant. I'm not sure if after market water pumps would improve cooling performance too?
no fan? wth...
even my old ass quad has a fan
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Old 06-01-2009, 04:25 PM   #7 (permalink)
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no stop and go at the track plus anything "unnecessary" is left off the bike to help weight down.
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Old 08-29-2009, 02:08 AM   #8 (permalink)
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of course your old ass qaud has fan they go to slow get any air movement ha j/k ,, i put a 1.6 kx 500 rad cap on mine and cured the boiling over problem when riding in the mountains. other wise engine ice is just b/s in a bottle as far as i am concerned. i have no problems now with high psi cap
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Old 12-25-2009, 10:18 PM   #9 (permalink)
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Default powerback klx450 kit
has any one heard of or used the PowerBack Kawasaki KLX 450R kit? this supposedly gives it more power and better gas mileage , that is a nice bonus that i would not mind but i noticed the first thing it says it does it control overheating and it seems every one with the klx has the overheating problem
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Old 03-11-2010, 12:56 PM   #10 (permalink)
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Default KLX-450r overheating
I live in Honduras, Central America, with temperatures from 30 to 40 centigrade.
Overheating in my KLX-450r has been reduced considerably since I removed the exhaust system and changed to a 52 rear sproket, instead of the 50 rear sproket that came with the bike.
I hope this helps anyone...
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