Sportster Models 883, 883 Custom, 1200 Custom, 883L, 1200L, 1200S, 1200 Roadster, XR1200, and the Nightster.
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2001 Sportster 883 Misfire and Stalling

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Old Aug 22, 2023 | 07:08 PM
  #21  
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Originally Posted by hammer6315
I wonder if it could be starving for gas when this happens? Mine used to fall on its face after a lagging throttle as when approaching a stop sign. I had the intake manifold seals replaced and the accelerator pump checked, which took care most of the problem, although it still may happen occasionally, when the engine is fully warmed up. I also like the idea of checking the battery cables and connections.
I was also thinking it could be a fuel problem. Maybe a clogged line? Or a fuel filter? There’s no leaks anywhere and the carb is spotless I just took it apart and cleaned it. Maybe time for a new carb? Or just a rebuild of the carb?
 
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Old Aug 22, 2023 | 07:11 PM
  #22  
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Are you running a fuel filter? My bike had a fuel filter on it when I bought it and it caused me a lot of headaches before I realized I didn't even need the thing.
 

Last edited by OCSpringer; Aug 22, 2023 at 07:24 PM.
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Old Aug 22, 2023 | 07:23 PM
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To be 100% honest I’m not even sure, haven’t checked anything with fuel yet so I don’t know if the bike has a filter on it or not
 
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Old Aug 22, 2023 | 07:23 PM
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Easy enough to check as there is only one spot to put it.

When my tank was not venting properly it would die once I got on the fwy as the vent wasn't letting in enough air. So maybe check your bike is venting properly.
 

Last edited by OCSpringer; Aug 22, 2023 at 07:32 PM.
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