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Bogs and backfires

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Old Aug 4, 2016 | 07:30 AM
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Default Bogs and backfires
I have a 05 Superglide fuelie that cranks and runs fine until about half throttle. If you are riding it and twist the grip its like you cut off switch and a little backfire, let off and goes back to running fine. Will do it sitting still too. Any ideas???
Daniel
 
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Old Aug 4, 2016 | 07:49 AM
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Running too lean ?
 
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Old Aug 4, 2016 | 08:47 AM
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Originally Posted by dfowler1
I have a 05 Superglide fuelie that cranks and runs fine until about half throttle. If you are riding it and twist the grip its like you cut off switch and a little backfire, let off and goes back to running fine. Will do it sitting still too. Any ideas???
Daniel
It acting up under load (riding)..., how about when stationary and you rev it


Sounds like a timing issue to me (the backfire and bogging)

Ghost
 
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Old Aug 4, 2016 | 09:46 AM
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I think its little lean and it will do it just sitting there.
 
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Old Aug 4, 2016 | 09:53 AM
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First check the spark plugs and that will tell you if it's lean or rich...b.
 
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Old Aug 4, 2016 | 10:22 AM
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Low fuel pressure. Could be plugged fuel filter or hole an internal line inside the tank. You can hear the fuel hissing out of the line if you pop the fuel cap and listen after the fuel pump stops running when the fuel level is low.


Mileage?
 
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Old Aug 4, 2016 | 10:28 AM
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20k and plug look ok but problem just started with maybe 5 miles rode since.
 
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Old Aug 4, 2016 | 09:31 PM
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Had a buddy bring his 05 over and swapped everything I could. I had give up but was looking at throttle body and never thought about MAP sensor, I just disconnected it and fired it up and it went to the rev limiter fast!!! So if you run into one that wont take the fuel at half to full throttle check the MAP....
 
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Old Aug 5, 2016 | 08:55 AM
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Good stuff, glad you've solved the problem...b.
 
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Old Aug 6, 2016 | 07:42 PM
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Sweet....

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