Question about 2000 Harley Davidson XL 1200 C Sportster Custom

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2004 1200 xl sportster after engine has been running for awhile, it will miss alot give it the gas and nothing happens then all at once will run right for alittle while and than start missing again

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As Steve said above ignition just had mine fixed it was doing the same.runs smooth as now.

Posted on Sep 24, 2012

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Sounds like an ignition problem. I don't have a lot experience with the newer bikes as I specialize in the older ones, but it seems to me that Harley went to two coils on the Sportster, one for each cylinder or a "two in one" type coil. I'd check the coil and the spark plug wires. If you can tell which cylinder is cutting out on you, test that coil and the spark plug wire. The primary resistance should be 3-4 ohms across the small terminals of the coil.

Also, if the spark plugs you are running have the screw on ends on them, make sure they are tight.

Good Luck
steve

Posted on Jul 25, 2010

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2003 harley 1200 custom sportster with 50 miles strats up fine with choke pulled out. once engine is warm and choke is pushed in 50% bike stalls out. have repalaced gas, spark plugs and just took apart...


A 2003 model with only 50 miles?? Wow....well,since youve already taken the carb apart and cleaned it,did you hook up the vaccum line for the VOES switch on the intake manifold? If so,..when you get the bike running,..spray some brake clean around the intake where it bolts to the heads.If the idle picks up,or starts to sputter,..youve got leaking intake gaskets. Which is a good possibility on a bike that old with that few miles on it.The choke essentailly adds more fuel to the motor,and by what your saying,the bike is obviously running lean. Also,...im ASSUMING that you have fresh gas in it,and the petcock is turned on.

Sep 25, 2012 | 2003 Harley Davidson XL 1200 C Sportster...

2 Answers

2004 sportster 883


could be the battery, try charging it then if that doesn't work then take the battery to a battery shop and ask them to test it.

Sep 09, 2012 | 2004 Harley Davidson XL 883 Sportster

1 Answer

2005 harley sportster 1200 engine dies while running or idle. turn the key to "ACC" the odometer comes on but no engine light. turn the key "on" odometer goes off and engine light appears. in the "AC


Hi Wesley, 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:
Harley Davidson Sportster error codes and how to access them

May 26, 2012 | 2005 Harley Davidson XL 1200 C Sportster...

1 Answer

2000 xl 1200s engine stopped when riding now no power to ignition but do have power to lights and indicators


Hi Micks, 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. Good luck and have nice day.
Harley Davidson Sportster error codes and how to access them

Mar 31, 2012 | 2000 Harley Davidson XL 1200 S Sportster...

1 Answer

Recently purchased a sportster 1200 xl low rider 06 plate. Which is great in every way apart from town use, I find that once the engine has got warm I am having to continually blip the throttle to stop it...


Regrettably, it is a "norm" for an H-D Sportster but it's fixable. The engine is jetted very lean in order to meet EPA emission standards. The lean mixture is what causes the spitting back through the carburetor and poor idle qualities of the engine. You can improve the low speed and idling characteristics of your engine by going up one size on the low speed jet and readjusting the idle mixture. If you can do this work yourself, let me know and I'll give you the instructions on how to do it. If not, take your bike to a performance oriented shop and talk to them about it. If they have a dynometer and an exhaust gas analyzer, they can fine tune your bike to where it runs like it should.

Good Luck & Ride Safe
Steve

Sep 10, 2011 | 2006 Harley Davidson XL 1200L Sportster...

1 Answer

When i push the start button nothing happens ,there is lights but no signal lights. the key icon turns on and the engine icon also turns on.


Have you tried checking the kill switch on the right handlebar controls and make sure it is in the "run" position.

May 16, 2011 | 2004 Harley Davidson XL 1200 C Sportster...

1 Answer

Carb trouble on harley Sportster


Not saying this will be your solution, but certainly worth considering. We had some Onan generators that sat too long at out RV dealership and were basically told carb would need replacing, as they do not have rebuild kits. At $500 a shot we decided to dump some Lucas fuel treatment and fresh gas in it. We basically tripled recommended dosage on bottle, and when engine ran we had enough lucas in there that it smoked like crazy but ran. We would run a little more through it, shut it down, let it sit for a few hours, start again, run a little, shut it down. Then let all that cleaner sit in overnight, and filled it with fresh gas again, and started it up, and after an hour or so of running steady, quit smokin, and ran like a charm. $10 worth of Lucas vs $500 carb. Did same to 3 other generators with same problem, and 2 out of 3 were cured. As it says on their site, too much will not damage the engine, so we didn't worry about that. After they were running good again, we replaced spark plugs and they were good to go, and owners were thrilled. Maybe we got lucky, but for $10-$15, I'd try it.

Apr 18, 2010 | 2000 Harley Davidson XL 1200 C Sportster...

1 Answer

Won't keep running


1.Inspect the accelerator pump diaphragm
for holes, cracks or deformation. Replace as necessary.
2. Replace the pump rod if it is bent; replace the boot
if it is cracked. Also look into the ventura when twisting the throttle and see if you see a stream of gas from the pump with the engine NOT running,if not then the pump isn't working...

Apr 07, 2010 | 2004 Harley Davidson XL 883 Sportster

1 Answer

2003 Harley Davidson XL 1200 C Sportster It starts and runs perfect when cold.When it warms up to 150 degrees at wide open acts like it is running out fuel,At 180 does it at half throttle and above,At 190...


That's a strange one. The only things I can think of suggesting are:
  • Clogged gas cap vent. The next time is starts running poorly, remove the gas cap briefly and see if things improve. If so, then the cap is not venting as it should.
  • Moisture trapped in float bowl. Drain the contents on the carburetor float bowl into a clean container and check for dirt, rust, water, or anything else that doesn't belong there.
  • Dirty fuel filter. If there is one, replace it.
  • Air leak between carb and engine. Check tightness of clamps and manifolds for cracking. WD-40 sprayed around those areas with the engine idling will help detect any leaks.
That's all I can think of. Please let me know if any of my suggestions fixed it.

Dec 09, 2009 | 2003 Harley Davidson XL 1200 C Sportster...

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