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Idle,yes! Accelerate no?Softail Models |
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Jun 30th, 2009, 11:36 PM
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#1 |
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New Family
Ride: 91 Heritage
Join Date: Jun 30th, 2009
Posts: 2
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Idle,yes! Accelerate no?
I have a 91' Heritage. The bike will idle, but when I try to accelerate I lose power and it starts to backfire and pop thru the carb. When I let off the gas it idles fine. I have noticed when this happens I lose some power to the system. I have cleaned the carb. Relaced the voltage regulator, ignition module and starter relay. Sometimes I will lose all power and it will not come back on for about 1 minute but then starts ok. Help!
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Jun 30th, 2009, 11:40 PM
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#2 |
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Moderators
Ride: 2007FLHTC
Join Date: Oct 4th, 2008
Location: Kitchener Ontario Canada
Posts: 2,996
My Mood:
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Re: Idle,yes! Accelerate no?
Have you tried the simple things,like cleaning both ends of the battery cables?
You could be having intermittent contact.
__________________
 Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Jun 30th, 2009, 11:42 PM
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#3 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 20,162
My Mood:
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Re: Idle,yes! Accelerate no?
Main breaker could be weak or the popping on accel could be a bad diaphragm in the top of the carb.
__________________
Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Jul 1st, 2009, 12:40 AM
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#4 |
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New Family
Ride: 91 Heritage
Join Date: Jun 30th, 2009
Posts: 2
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Re: Idle,yes! Accelerate no?
The main breaker was replaced 2 weeks ago. The battery was replaced 2 months ago and the terminals were cleaned. When I took apart the carb I cleaned the diaphram and looked for any holes or wear but did not see any. The thing that gets me is the loss of some system power? I will check the grounds again tomorrow, but it only happens when I accelerate.
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Jul 1st, 2009, 08:14 AM
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#5 |
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Community Liaison
Ride: 07 Road King Classic
Join Date: Jun 21st, 2007
Posts: 20,162
My Mood:
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Re: Idle,yes! Accelerate no?
You may want to check the voltage from the charging system with increased RPM's.
Testing The Charging System - Harley Davidson Community
__________________
Psssst! Please stop by the "self help section" for maintenance tips, diagnostic codes and much more. click me!>>Self Help Information and Tips<< click me! |
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Jul 2nd, 2009, 12:11 PM
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#6 |
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Start The Engine
Ride: 2004 Softail
Join Date: Apr 6th, 2009
Location: York PA
Posts: 15
My Mood:
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Re: Idle,yes! Accelerate no?
I had an issue with steel braided spark plug wires that did the same thing. Check the wires.....
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