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I'm dumping gas!


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Got a new xr4 last week. Rode once then let it sit because of work. Now as soon as I turn the gas on it just drains right out through the carb overfill tube. Bike will run, idle, everything, just piss gas the whole time. Any ideas on what this may be, besides the carb float stuck open, that is the first thing I will be checking. Thanks!

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Either the float needle is worn, or your float is getting stuck.  If you tap on the side of the bowl and the overflowing stops, it's most likely that your float has some corrosion or something hanging it in the down position.  If the tapping does nothing, you need to remove the carb, take the bowl off and inspect the needle valve.  It can appear that there is no wear on the rubber cone on the end of the needle, but it only takes a small amount of wear to cause it to not seat properly allowing a constant flow of fuel into the carb.  

 

If you dis-mount the carb, you might as well pull the pilot and main to clean them out, it's good practice. 

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