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Dyna surging at very low speed.

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Old Oct 12, 2013 | 03:21 AM
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Unhappy Dyna surging at very low speed.
Got a developing problem. My 2013 Street bob( 103 engine) is starting to surge when I am in first gear and going slow - 1-10 mph. Once it gets over 15 mph its fine. And good through the rest of the gears. It feels like the clutch is grabbing and then letting go. I tried to loosen clutch cable one full turn, but no help. Even tried tightening with no help. Though, when there was hardly any free play it went into neutral a little easier. Have to use the clutch to smooth slow moving. Clould the oil in the primary or transmittion be a little low or to high? Is this common and something I have to live with, or can it be corrected.
Need some help figuring out what happening.
Thanks,
Roger
 
Last edited by rogersachs; Oct 12, 2013 at 03:44 AM.
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Old Oct 12, 2013 | 04:54 AM
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if I had a concern with a 2013 that is still under warranty, I would have a dealer tech drive it and see what he thinks about the concern .
 
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Old Oct 12, 2013 | 05:42 AM
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it's normal. you only have 2 cylinders man, dont expect smooth engine travel at such a slow speed.
 
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Old Oct 12, 2013 | 05:44 AM
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if your clutch was slipping at 0-10 mph it would only get worse when you started accelerating. It probably has something to do with your efi system. If your going slower than 10 mph... dont. Pull in the clutch
 
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Old Oct 12, 2013 | 06:21 AM
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Agreed, sounds normal of a twin at super low speed.
 
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Old Oct 12, 2013 | 06:32 AM
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I put XIED's in and the richer fuel mix alleviated much of the slow speed "surge" of my 103.
 
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Old Oct 12, 2013 | 07:32 AM
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Originally Posted by PaiN
I put XIED's in and the richer fuel mix alleviated much of the slow speed "surge" of my 103.
Try this
 
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Old Oct 12, 2013 | 08:21 AM
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Every Harley I have ever ridden does this to some extent, but if you feel yours is excessive, i would have it checked out if still under warranty.
 
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Old Oct 12, 2013 | 08:27 AM
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Mine does it too. It is quite normal since we have two cyl engines on a common crank. not so bad once its warmed up
 
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Old Oct 12, 2013 | 12:55 PM
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Originally Posted by rogersachs
Got a developing problem. My 2013 Street bob( 103 engine) is starting to surge when I am in first gear and going slow - 1-10 mph. Once it gets over 15 mph its fine. And good through the rest of the gears. It feels like the clutch is grabbing and then letting go. I tried to loosen clutch cable one full turn, but no help. Even tried tightening with no help. Though, when there was hardly any free play it went into neutral a little easier. Have to use the clutch to smooth slow moving. Clould the oil in the primary or transmittion be a little low or to high? Is this common and something I have to live with, or can it be corrected.
Need some help figuring out what happening.
Thanks,
Roger
This is typical of the "too lean from the factory because of the epa requirements" on all Harleys.

Least expensive way to fix it is the FL-XiED-10's. Click HERE for more info, including Dyno Chart.
 
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