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crf450X got hot by ideling is this normal

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I started by bike last night to let the battery charge a little, and my bike got hot. the coolant in the overflow resivor was boiling. Freeked me out shut it down.

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These bikes are not made to sit and run when your not moving. With stock jetting they will make the header glow in short order.

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Mine has done that before as well. Started the bike and was letting it warmed up when someone came into camp to report a club member was down a mine shaft. Long story short I forgot my bike was running for some time. When I went back to it the reservoir was overflowing.

With no fan there is no air moving over the radiator, how do you expect it to cool like that?

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Like the other posters have stated. These bikes are not meant to idle for more than a minute or so; especially with the ultra lean factory jetting. A good Battery Tender should only set you back $30 to $50 bukaroos!!!

:smirk:

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I did the same thing, but I was trying to run the carb out of fuel for storage. Something I have always done on all my small engines, bikes, jet skis, outboards. How do I run it dry with out having to push it home?

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Drain it with the drain on the bottom of the carb.

+1, or take the big bolt out of the bottom of the carb

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