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Old 06-09-2015, 11:55 AM   #1
ChocolateLab OP
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Joined: Jun 2015
Location: Colorado
Oddometer: 1
XR650R - Fuel Troubles

Hello,

I have a plated 2007 XR650R. My bike was running great with a full tank of gas, but when I got down to the reserve level the bike would be starved of fuel, even after I switched over to my reserve tank.

I read up on this forum and found others who had problems with their petcock going bad. There were many discussions on rebuilding the petcock, but I spent the $65 and purchased a new Honda OEM petcock. The petcock was easy enough to install and I thought I would be good.

However, now the bike just pours gas out of the overflow line from the carburetor. This never happened with the old petcock. I read up on the forum of bikes streaming gas from the overflow and the consensus seems to be a stuck float. However, this seems to be an odd course of events and I was curious if anybody had feedback for me in my next steps in troubleshooting.

Thanks
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Old 06-09-2015, 12:07 PM   #2
crypto666
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Location: The best trails in Nevada
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Quote:
Originally Posted by ChocolateLab View Post
Hello,

I have a plated 2007 XR650R. My bike was running great with a full tank of gas, but when I got down to the reserve level the bike would be starved of fuel, even after I switched over to my reserve tank.

I read up on this forum and found others who had problems with their petcock going bad. There were many discussions on rebuilding the petcock, but I spent the $65 and purchased a new Honda OEM petcock. The petcock was easy enough to install and I thought I would be good.

However, now the bike just pours gas out of the overflow line from the carburetor. This never happened with the old petcock. I read up on the forum of bikes streaming gas from the overflow and the consensus seems to be a stuck float. However, this seems to be an odd course of events and I was curious if anybody had feedback for me in my next steps in troubleshooting.

Thanks
Junk from the petcock probably worked its way in to your float bowl and float valve. Remove, disassemble, clean, put back together, ride.

Also, while you are at it, you could put on an inline filter. I run one now, but be sure to carry an extra because they themselves can cause issues when they break.

So to avoid a problem, you add an easier to fix problem.
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Old 06-09-2015, 06:46 PM   #3
mglsite
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Location: Covington, La.
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Seafoam

Get a can of Seafoam, pour into tank, put in a gallon of gas, go ride the piss out of it. I have seen Seafoam clean up 2 stroke outboard carbs that have been setting for years.
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