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Discussion Starter · #1 ·
Been wondering this for a while, so I notice my radiator coolant reservoir is about 65% full when the bike is cold. However once I take it for a spin it shoots up about a inch ABOVE the full line and stays there till well after it cools off. So am I low? I would think it should be the opposite...hmmm
 

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2007 Candy Sonoma Red
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Fluid expands when it gets hot, so it's doing as it should. I usually keep mine near the full mark when cold, then it goes above the full mark when hot. It doesn't matter how high it gets, if it gets too high it will go out the overflow tube. But the tank would be almost full for it to do that.
 
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