Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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All is dead.

I have a 06 Fatboy with 5800 miles on it. I started the bike up normally. After about 5 seconds the bike just died and will not even do a self test. I do hear a relay click when I turn on the switch. No lights, horn, no nothing. Battery is good. Any help?

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I'm always hestitant to offer suggestions on the newer Harleys, my experience is all on 1999 and earlier carb bikes. But try the standard stuff first. No horn or lights leads me to check my connections and fuses starting with the ground for the battery. Torque em up a little and see if it helps

Posted on Aug 20, 2008

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2010 FATBOY WHILE RIDING LOSES POWER FOR A SECOND THEN BACKFIRES THEN REGAINS POWER


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2003 Fatboy while winterizing drained the oil very little came out however there was oil in filter..New filter,filled with oil started sounds like usual then the oil shot out of the cap where you insert...


On the softail model Harley Davidson's the oil tank is external and sits up higher than the engine crank case and oil pump. when these bikes sit for an amount of time the oil gravitates from the tank to the crank case. starting may seem sightly harder and seem like the battery is going dead. the bike should be started in knowing that you had oil in it to start with and no giant leak puddle underneath of it. warm up the engine and then drain the oil out of the tank. the reason why your filler cap popped off is because you had probably 2 1/2 to 3 quarts to much engine oil in the bike. so drain the oil from the tank at the drain pug at the bottom of the hose on the high (right side ) of the bike where the swing arm meets the frame (it is a 5/8 socket) put the drain plug back in run the bike for about 5 minutes inspecting with a flashlight continuously that oil is circulating back into the tank. then dran it again and replace with new oil.

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I have a 97 Fatboy that sometimes loses spark


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Jul 15, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

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May 09, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

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Bike will not start because alarm will not deactivate


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Jun 02, 2008 | Harley Davidson Harley-Davidson Motorcycle...

3 Answers

Map sensor


Hi,

Have not worked on an HD but my thoughts and additional guesses would be:
1. fuel contamination (water at bottom of tank);
2. primary pump (in my case it was inside the fuel tank & might not be present in your bike);
3. fuel lines & clamps to & from primary pump or to the carbs;
4. in line filters;
5. vacuum controlled fuel valve (oppose to the usual manual petcock)
6. if it were the MAP sensor, bike wouldn't even run a block away + idling would be rough;
7. by chance are you using a Power Commander?

Also your post "bike will start and run fine for a few blocks then die" indicates that indeed fuel got into the carbs before but not when running meaning the bike used what was inside the bowl and was not replenished.  Alternately, the fuel flow to the carbs might not be sufficient and there is a leak or a blockage somewhere.

As said might not work for your bike but has come across some of the above on numerous occasions.

Good luck and Kind regards.

Ride Safe.

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