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Message: [QUOTE="b1rcyu76, post: 769671"] i just got a 03 crf 450 and was going out to go riding, but when i was warming up my bike i had left it idle for maybe about 10 -15 minutes and my rad started to release antifreeze and steam. I was wondering if the rad was overflowing because there was no air flowing through it. It only happen twice and while i was sitting. I have never had this happen on my 2 strokes and wondered if I left it run in an idle state to long. [/QUOTE]