Fuel injectors-Bike spitting back

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Feb 21, 2016 | 08:01 PM

cgmartine

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From: Beaumont, Ca

Fuel injectors-Bike spitting back

Is is possible for a fuel injector to slowly leak fuel into the cylinders when a motorcycle sits overnight or for a few hours? I have a 2006 fuel injected Softail Heritage Classic. Sometimes, but not every single time, when I start it, after it has cooled or been sitting for a few hours, it spit backs, but then starts up immedidately. It is sort of a like a back fire. Is there any chance it could be the injectors? It still has the old injectors and I have been thinking of replacing them with the injectors called for in the recall notice. Any ideas?

Feb 22, 2016 | 05:47 AM

Warp Factor

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From: Detroit

Yes, fuel injectors can leak, but if they were, you'd probably be getting a lot of black smoke on startup.

Feb 22, 2016 | 07:31 AM

FLS103

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From: Triune, TN

Does it sound kind of like a sneeze? Could be a bit lean

Feb 22, 2016 | 08:55 AM

LA_Dog

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From: 90210

something is definitely not normal there- Try posting this over in the technical area fuel injection and tuning thread- you'll get more of the right eyeballs on it. I'm surprised you have not upgraded the recall injectors yet- you might want to do that regardless.

Feb 22, 2016 | 10:54 AM

Warp Factor

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From: Detroit

Quote:

Originally Posted by LA_Dog

Harley will only replace the injectors if they can confirm running or driveability problems. Mine's always run fine, so no new injectors.

Feb 22, 2016 | 11:36 AM

LA_Dog

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From: 90210

Quote:

Originally Posted by Warp Factor

Harley will only replace the injectors if they can confirm running or driveability problems. Mine's always run fine, so no new injectors.

ahh yep- thanks for the comment on that. I see that it was only a service bulletin and not a full on recall- so no love from HD unless rideability issues were noted. I don't see how the OP can figure this out though without going in for diagnostics / nothing is coming to mind on the DIY side.

Feb 24, 2016 | 01:48 PM

cgmartine

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Joined: Oct 2012

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From: Beaumont, Ca

If its is an issue of it running lean, since it does not have a carburator, can they calibrate the fuel injectors? Also, I do not have a stealership nearby, but I do have two small motorcycle shops, do most of them have diagnostic equipment on hand?