Radiator - Kawasaki KLR 650 Forum
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post #1 of 16 Old 10-07-2019, 10:02 AM Thread Starter
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Radiator

Haveing trouble with my KLR 650 overheating. Any tips? I flushed it yesterday with water.
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post #2 of 16 Old 10-07-2019, 10:26 AM
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What year? How do you know it's overheating?

Some info: http://watt-man.com/uploads/Margin.pdf

Cheers,
Dave
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post #3 of 16 Old 10-07-2019, 10:36 AM Thread Starter
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it is a 98. I am going by the gauge it hits H quick. Any pointers? The fan kicks on quick and it shut off on me pretty quick yesterday. I may be overthinking it but do not want to burn it up on long ride.
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post #4 of 16 Old 10-07-2019, 10:39 AM Thread Starter
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Thanks for the link
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post #5 of 16 Old 10-07-2019, 10:54 AM
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Originally Posted by MandaPanda415 View Post
Haveing trouble with my KLR 650 overheating. Any tips? I flushed it yesterday with water.
How long have you owned this bike?

pdwestman
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Still riding my 1987 KL650-A1. 85,000+ miles & counting
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post #6 of 16 Old 10-07-2019, 11:23 AM Thread Starter
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almost a year and a half.
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post #7 of 16 Old 10-07-2019, 01:46 PM
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Originally Posted by MandaPanda415 View Post
almost a year and a half.
So (how) long has the temperature been an issue?

Full disclosure of any crashes, repairs, modifications or maintenance that you have done or had done. Write a book (full page) if you need to! Take your time & try to be precise.

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Last edited by pdwestman; 10-07-2019 at 08:29 PM. Reason: (how) long
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post #8 of 16 Old 10-08-2019, 01:40 AM
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If you recently drained and re-filled coolant, you may need to BURP the system.

Remove radiator cap. Idle engine until coolant circulates. Circulate for a while, allowing air pockets in cooling system time to exit through the open radiator fill nozzle. Shut 'er down; top off radiator; fill reservoir to "FULL" mark. You have now burped your cooling system. Replace radiator cap and ride on!

Air pockets can occlude coolant circulation, causing the symptoms you mention.

Hope the technique works; if not--procedure easily performed; you're no worse off than when you started!

Good luck.
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post #9 of 16 Old 10-08-2019, 08:57 AM
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Originally Posted by Damocles View Post
If you recently drained and re-filled coolant, you may need to BURP the system.

Remove radiator cap. Idle engine until coolant circulates. Circulate for a while, allowing air pockets in cooling system time to exit through the open radiator fill nozzle. Shut 'er down; top off radiator; fill reservoir to "FULL" mark. You have now burped your cooling system. Replace radiator cap and ride on!

Air pockets can occlude coolant circulation, causing the symptoms you mention.

Hope the technique works; if not--procedure easily performed; you're no worse off than when you started!

Good luck.
I'd just add . . . unless the temperature gauge needle excursion extends all the way to the far right red stripe, fear not--you haven't burned up anything. Again, an air pocket in the cooling system can result in the symptoms described; hope you get the problem sorted out, whatever form the difficulty assumes.
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post #10 of 16 Old 10-09-2019, 09:56 PM
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I may need educating on BURPing the cooling system. It seems to me that any air in the system will naturally flow up to the radiator and be trapped there. Then just opening the radiator cap to check the coolant level and adding coolant if necessary should automatically remove all air from the system.

I keep hearing about BURPing, but don't see the need for any special procedure on a KLR. Perhaps the term BURP just means topping off the radiator.

Last edited by GoMotor; 10-09-2019 at 10:00 PM. Reason: Clarification
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