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Nutsnbolt
| Posted on Monday, August 14, 2006 - 09:45 am: |
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I am having a heck of a time here. I just bought my 05 xb9r from a guy who has been on deployment a couple of times. It's only got 500 miles on it and i imagine it has been sitting around a bit while in iraq, but i have noticed that even in neutral that if i pull back on the throttle, there is a hesitation before it goes, occasionally there is even a "slight" ever so slight backfire. Any ideas? Im a bit clueless. My first american bike, my first buell, however not my first motorcycle and have never come across this issue. Especially not in something so new. Thanks Mark}} |
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Henrik
| Posted on Monday, August 14, 2006 - 06:30 pm: |
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How far do you roll the throttle before the revs start climbing? Could be something as simple as a throttle cable adjustment. Of course the slight backfire could indicate a bit of a lean condition at low rpm. On the carbed bikes I'd have suggested up-sizing the low speed jet and turn the idle mixture screw out 2 1/2 turn from slightly seated On the injected bikes a TPS reset is said to help. I'm sure other XB owners will chime in. Henrik |
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Nutsnbolt
| Posted on Monday, August 14, 2006 - 08:34 pm: |
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Not sure how to do the throttle cable adjustment, i could tinker with that, but how far do i roll the throttle before the revs start climbing? I'd have to guess (it's late here, dont wanna create an issue with the neighbors quite yet) and say it's about...an inch or so, another way to look at it....from average riding position with my wrist at a level... it takes putting my wrist at a 30degree angle. Best way i know to explain it. |
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Nutsnbolt
| Posted on Monday, August 14, 2006 - 10:15 pm: |
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you know, one more note... It's as if it's a slow response, with, a ever so slight hesitation at first, and then slow response to climbing rpms until about 2500 then, they climb fast. If that helps. It's killin me. This is the ONLY problem i have with this bike otherwise, I LOVE it. I've been wondering why I wasted my time with the Ducati's andMZ's. |
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Henrik
| Posted on Monday, August 14, 2006 - 10:21 pm: |
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Well, throttle adjustment is fairly straight forward and would be an easy place to start. Best bet is to buy the service manual for your bike. One of our excellent sponsors will be able to set you up. If you do a search for throttle adjustment you should find several descriptions - but the manual is the best place to start. Henrik |
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L0c0
| Posted on Tuesday, August 15, 2006 - 10:38 am: |
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Since the bike has been setting for so long, did you do a complete maintance. Change all the fluids, clean/replace the air cleaner make sure there is nothing with a nest in the throttle body. Maybe even pull the injectors and clean them off. Just a thought...good luck. |
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Xring
| Posted on Monday, August 21, 2006 - 09:42 am: |
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First of all, that's not normal for these bikes. I'd second some of the other ideas here; maybe gas gone bad, or water in the gas; could be needs a TPS reset (dealer needs to do that unless you have the VDST software). Could be as simple as the idle set too low (should be right at 1000 at hot idle). Could be a vacuum leak, such as the intake manifold seals. Not unheard of, and would cause erratic idle, rough running at low rpm or steady state, sometimes backfire through the throttle body, or popping through the exhaust on deacceleration. The service manual calls for diagnosis with propane around the intake manifold seals. Probably not a big deal to fix. My XB is really smooth when it is running right. Good luck, Bill |
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Fullpower
| Posted on Tuesday, August 22, 2006 - 02:21 pm: |
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drain the fuel tank. put in fresh gas. |
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