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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through May 13, 2012 » XB9SX Barely runs « Previous Next »

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Keithpeanut
Posted on Thursday, December 15, 2011 - 11:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
I have a 2007 XB9SX that doesnt seem to want to run.

I was riding at lunch with the gas tank low (about 10 miles since the low fuel light came on). And the bike quit on me. Figured i was out of gas (though it seemed like i shouldve made it further) and called the tow truck.

45 min later i set off with a tank full of gas of questionable octane rating. Something seemed not quite right; it didnt seem like it was running very smoothly. I got back to work though.

After work the problems set in. It would start just fine, but would only idle for a few seconds. The only way i could keep it running is by working the throttle open and closed vigorously. As it warmed up it got better and i could eventually ride home.

A few days later i tried again with the same result, but i gave up after a few cranks.

I hooked up ECMSpy. There were no error codes; I reset the TPS and the AFV (which was very close to 100, maybe 106?) Still same problem.

With no throttle, it would fire right up and idle normally for 3-5 seconds before abruptly dying.

mileage is ~6000

I did just put a new battery in recently.

I was gonna drain the fuel next to see what lurks in the bottom of the tank.

Any other thoughts?

Thanks in advance
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Reepicheep
Posted on Friday, December 16, 2011 - 12:10 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Thats pretty low milage for a chafed fuel pump wire... but stuff happens...
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Harleyelf
Posted on Friday, December 16, 2011 - 11:26 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
Electrical issue masquerading as fuel supply. Check your coil wires and cam position sensor wire harness. You have put new plugs in since the questionable gas? Ever change the fuel filter?

(Message edited by harleyelf on December 16, 2011)
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Txkblast
Posted on Thursday, January 05, 2012 - 11:08 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)
My 07 XB9SX has been acting the same way until it warms up. Almost acting like it had water in the gas but I filled up and put fuel stabilizer in it and not it only seems to do it on really cold starts or when its low on gas. Very confusing.
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