Question about Harley Davidson FLSTN- FLSTNI Softail Deluxe Motorcycles

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I have a 2006 harley deluxe softtail wuth 15000 miles I am currently the second owner of this bike the gas miles for this bike is not very good. My ultra Classic get better gas miles than my deluxe, could you tell me what could be the problem?

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Most commonly a dirty air filter. Also check your plugs. If they are black, your mixture is too rich. Fouled plugs wont burn efficiently and are cheap to replace. Hopefully no one altered the exhaust of aircleaner without the correct download

Posted on Aug 30, 2010


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Posted on Jan 02, 2017


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Hi PR here. my 2006 Heritage softail has been standing in garage for 3 months over winter, connected fully charged battery, It turned over a couple of times then started to click as if a low battery,

Hi, Paul if your battery is more than 4 years old it may have enough voltage but not enough amperage to start the bike I would recommend having it load tested, for more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at Good luck and have a wonderful day.
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My 2005 Softtail Deluxe gas gauge registers full all the time. I am thinking that the float is stuck but cann't see how to get to it to check it. When I turn the bike off the gauge needle goes down as...

This is quite common on these fuel gauges. Harley fuel gauges are not that good in my opinion. I can send you a troubleshooting guide for the gauge. Your layout may be different but the principle of operation is the same. Contact me at Don't forget to remind me of what you need.


Aug 25, 2011 | 2005 Harley Davidson FLSTN- FLSTNI Softail...

2 Answers

Hi. I am an older guy (57), have a very old sportster (1980), looking for a larger newer bike (I'm 280 lb man) and need a wider seat for myself and my wife. I can't afford a new bike or a...

You're asking at what age the teeth start to fall out in a woman.
It completely depends on the care that was taken throughout it's lifetime.
Some women never lose their teeth because they care for them all their life, others have dentures at 20 years old.
Mileage on the bike is irrelevant if the engine was properly and regularly maintained.
If the seller is confident in the condition of the engine, he will give you a WRITTEN WARRANTY on the bike.
I would tell him that you plan to drive it back home, and at the extreme least, have him guarantee that the engine will last for that trip.
Personally I would ask for nothing less than a 30 day warranty.
If the seller is unwilling to provide any kind of WRITTEN warranty, I would be VERY leery of making the purchase, especially considering how far you need to ride it to get it home.

Jun 24, 2011 | 2005 Harley Davidson FLSTN- FLSTNI Softail...

1 Answer

I have a 2006 softtail deluxe I have had it since it was brand new. I am a new rider have only had my license since 2006 needless to say I don't know that much about motorcycles. My husband on the other...

I would measure the battery voltage with the engine runnig at a fast tickover and then say 2000 revs. If it exceeds 14 volts it is cooking your battery. Replace the regulator.
Ride safe and enjoy.

Mar 10, 2011 | 2005 Harley Davidson FLSTN- FLSTNI Softail...

1 Answer

My wife has a 2009 Softtail Delux. When we fill the gas tank and then ride it, gas runs out aroung gas cap onto tank and onto rider. I have tried not to fill it all the way and it still does this. It seems...

I don't know if there's a recall on this but it sounds like your gas cap is not screwing all the way down to get a seal. There are right side and left side caps on her bike. The right side is the vent cap. Someone may have put a vented left side cap on her bike. Gas cap swaps or thefts are common because there's no way to secure them. Don't ever buy a nice set of billet caps as they might not be on your bike when you leave it unattended the first time.

Good Luck

Aug 31, 2010 | Harley Davidson FLSTN- FLSTNI Softail...

1 Answer

Harley FLSTI 2006 all electric power switched off

It sounds like the main circuit breaker is tripping for some reason. This is the way a circuit breaker works. When the maximum current flow rating of the circuit breaker is exceeded, it will trip and break the circuit stopping all current flow. After a few seconds, it will reset itself. If the max current flow is exceeded again, it will do the same thing.

Have you added any additional accessories to your bike, lights, radio, cigarette lighter power point, etc.? If so, disable everything and see if this eliminates the problem. Then start adding them back into the circuit one at a time until the problem resurfaces. If this proves to be the problem, you've overloaded the current handling capacity of the bikes wiring. You'll have to let something go in order to reduce the load. Do Not Install A Higher Rated Circuit Breaker as you will burn you wiring harness up.

Good Luck

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How to put bike into service mode to carry out work.

Hi Lincolnboy, for more information about your question please visit the websites below. Good luck and have nice day.
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Apr 23, 2010 | 2005 Harley Davidson FLSTC - FLSTCI...

2 Answers

Check engine light is on

you have a trouble code,to get the code push in and hold speedo reset button and turn ignition on speedo will read diag. release button and push again to see the code,make sure you write them down then clear them out by pressing and holding the button.Then after you record them and erase them turn ignition off. then turn ignition on again and off then check the speedo again and if any of the same codes come back it is a current trouble code

Apr 11, 2010 | 2005 Harley Davidson FLSTN- FLSTNI Softail...

1 Answer

Fuel gauge not woking 2006 fi harley softtail standard

Check your fuses and for possible shorted or cut wiring.

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