Question about 2004 Harley Davidson FXD - FXDI Dyna Super Glide
Hi Tjhathaway_9, please visit the website below and good luck.
and the usual suspects are:
1. Severely discharged or damaged battery.
2. Loose, corroded or broken battery cable.
3. Alternator not charging or below normal rates.
4. Failed ignition coil, ignition/electronic module.
5. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor.
6. Faulty ignition switch.
7. Water or dirt in fuel system, carburetor or filter.
8. Fuel tank vent system plugged or gas cap not venting.
9. Fuel tank empty.
10. Fuel valve vacuum line broken or carburator vent line closed off.
11. Restricted, blocked or kinked fuel line.
12. Failed fuel pump, pressure regulator and or fuel injectors.
For a prime suspect please visit website below and good luck:
Posted on May 15, 2015
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Posted on Jan 02, 2017
not running for a year! You have a varnish buildup in the low end circuit of the carb. You will need to remove the carb and do a full teardown of the carb to properly rectify this problem. SOMETIMES we are able to free up the passages by putting SEA FOAM cleaner in the tank , fill her up with fresh fuel and ride through the tank and it will clear up. SEA FOAM can be purchased at an auto parts store and is sometimes very effective. 1/4 cup to full tank fuel.
Posted on Jul 14, 2009
Just a idea here, but I have heard the the fuel pump is also powered through the oil pressure sensor, the fuel pump relay starts the bike, and then the oil pressure switch takes over, as soon as it is running, caused by the oil pressure, that way if you tip it over, you loose oil pressure and it will kill fuel so it doesn't keep running.
So in therory, if you cranked it enough, build up oil pressure, and presto,,, it's running.
I'm sure that a real Harley mechanic can do better.
Posted on Apr 02, 2010
The problem on your starter sounds like the "overrunning clutch" in the starter. The jackshaft cannot "fall" as the outer end of it is supported by the outer primary cover. It's engaging your ring gear, just not turning the engine. If the start spins, this means the jackshaft has been pushed into the engaged position because the starter will not spin until the solenoid plunger is in the full forward position. So, the only thing left is the "starter clutch". With a compression ratio like you have, you should be running compression releases if you wish to keep even a Spyke starter in the bike.
As for the electrical problem, it sounds like you've got a stator shorting out on you. I had one customer with a 90 FXR that was happening to. His bike would run fine for days and weeks but ever so often, it wouldn't start due to a dead battery and he'd just been riding it. We replaced the entire charging system. The only thing that we hadn't replaced prior to that was the stator. Now, if you wish to prove this, you'll have to catch the problem when it's not charging the battery. If you wish, you can purchase a voltmeter at any automotive parts house and install it on your bike. The battery should charge at 14.5 to 14.8 volts. Anything below that, the battery will slowly discharge. If you can, test the stator output. Unplug the connector at the cases. Inspect the connector to make sure the connections are in good shape up inside the plug. You need one those hold downs that keep this plug tight as well. Using a DVOM (Digital Volt Ohm Meter) put one of the meter leads on each pin in the case, put the meter in AC volts, 50 volt range. Start the engine and you should read about 25 volts or greater. If not, the stator is defective.
Posted on Jun 12, 2010
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