Question about Harley Davidson FXDX Dyna Super Glide Sport Motorcycles

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2003 Harley davidson big twin carburetor

While riding this morning i left a stop sign and not making it down the road a 1/4 mile i noticed the bike was running rough i pulled over and saw fuel running out of the bottom of the breather cover. I trailered the bike home and removed the cover and restarted the bike it started up ok and ran about 3 minutes i saw that the fuel was running out of the small hole in the bottom of the carb "the one in the back there are two behind the throttle jet what is this and what could be the problem.

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  • Harley Davidson Master
  • 41,685 Answers

Hi Glydrider, Check for float level too high, float cracked and filled with gas, needle and or seat worn or contaminated and bowl vent tube closed off or blocked. Good luck

Posted on May 06, 2015

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: oil blow out the breather

too much oil; bad umbrella valves in rocker covers;

Posted on Mar 23, 2009

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SOURCE: change rear wheel on Harley Davidson

first ya need to suspend it in the air using a bike jack loosen chain tension on it unbolt the axel and it should come out from the rear of the bike

Posted on Mar 27, 2009

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SOURCE: 94 GSXR 750 DIED WHILE RIDING AND WILL CRANK BUT NOT START

There may not be an in-line fuel filter on the bike. Most bikes don't come with them. Yes, the fuel petcock has two screen filters on one pipe and they can get clogged up. Remove the tank then remove the petcock and clean it. The gas in the tank should be dumped into a clear plastic storage bin so that you can see if there is any water in the gas as well as rust and trash. Your bike is 15 years old and the inside of the tank may be rusty. If so, Google kreem fuel tank liner “ or go to

www.http://www.4secondsflat.com/Fuel_Tank_Sealer.html

This will end the rust problem. Go ahead an install an in-line fuel filter. There is a drain plug on the lower left side of each carb. Drain each carb into a clear container and look for water and trash. You may need to clean the carbs but hold off to see if the other stuff fixes the problem.

Go to the site below where you can see a parts diagram for your specific bike. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part, the part is not in stock.
www.babbittsonline.com/pages/parts/viewbybrandand/parts.aspx

Please top rate this answer. Thanks!

Posted on Jun 04, 2009

v2iper
  • 150 Answers

SOURCE: what size spark plug for a 2000 harley davidson road king carbed,

Your Twin Cam plug should be a 6R 12 Harley Plug. Often times the back fire is just the nature of the beast depending on what type of pipes you are running. Harleys do run lean, its an EPA thing thtas why they choke them down from the factory. Since you have a carb you could have an intake leak around the Intake. Also Under the carb is an adjustment screw. Harley plugs it up so people don't play with it. You have to just drill out the plug this will set your air fuel. Whenever I take a carb off I drill out that plug. Heat your bike up operating temp and ear tune that screw. Only other way is with air fuel analizer or a dyno. good luck.also that backfire is caused by fuel hitting your exhaust when you let off just to let you know.

Posted on Jun 15, 2009

ginocussen
  • 216 Answers

SOURCE: Gilera Nordwest Carb setting

Hi,
I have a gilera RC 600 which has the same engine as the nordwest, the problem could be the carb needs to be stripped and cleaned and replace the foam air filter with a paper one. For accurate advice and spares which are quickly posted, contact BOB WRIGHT at 0044193451033. He is the official UK gilera specialist, tell him I sent you, say the guy in southern Ireland, and he will look after you. Good Luck.
PS please rate me if this helped

Posted on Jun 26, 2009

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After bike is warmed up from riding when you slow down or stop at light it dies or when riding it will shut down and loose power but after few minutes it goes back to normal.


Hi Anonymous, 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:
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

Aug 22, 2013 | 2002 Harley Davidson FLHRCI Road King...

1 Answer

99 ultra classic quit running wont start back


Hi Anonymous, 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:
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

Sep 13, 2012 | 2000 Harley Davidson FLHTCUI Electra Glide...

1 Answer

My 2003 harley Ultra classic just started to stall out when riding and engine light comes on then runs fine again


Hi Anonymous, 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.
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

May 31, 2012 | Harley Davidson FLHT Electra Glide...

1 Answer

2005 Harley Davidson XL 883L Sportster stalls at stop signs


Hi, Anthony and the usual suspects are:
1. Idle circuit and transfer ports clogged.
2. Air fuel mixture adjustment too lean.
3. Pilot jet clogged.
4. Faulty accelerator pump.
5. Float level too low.
6. Float bowl contaminated old fuel, water, dirt, rust, etc.
7. Float bowl vent or overflow tube clogged.
8. Fuel flow to carburetor restricted.
9. Intake manifold leak.
10. The gas cap is not venting properly or fuel tank venting system blocked.
11. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
12. Needle and seat stuck closed in the float bowl.
13. Multi carburetors not in sync.
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 xlch@mail.com. Good luck and have a wonderful day.
Harley Davidson Forums
Harley Davidson 2005 Sportster Service Manual
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
http://mybikemanuals.com/harley-davidson/2005-harley-davidson-owners-manuals
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Jul 07, 2017 | 2005 Harley Davidson XL 883L Sportster

1 Answer

I have a 883 harley davidson sporster, was riding the bike and road over a bump and bike shut down and won't start


I'd check the battery first. I've seen the post break loose from the batteries in many Sportsters and leave them dead on the road. I've only seen this happen once on a Big Twin. Why? I have no idea. If nothing on the bike works, this may be the problem. If everything else works but it just won't start, I need more information. Does the starter engage and the engine turn over?

Steve

Aug 13, 2011 | 2000 Harley Davidson XL Sportster 883

1 Answer

My 1996 EFI road king cuts out like some is hittiing a switch on and off when i get on it . If I baby it its fine. Never stops running just feels like no spark or gas or more like someone turns the key on...


Hi Jdportell, and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition or leaking.
3. Spark plug gap to close or to wide.
4. Faulty ignition coil, module and or sensor.
5. Battery nearly discharged.
6. Damaged wire or loose connections at battery terminals especially the ground cable at BOTH ends, ignition coil, or plug between ignition sensor and module.
7. Intermittent short circuit due to damaged wire insulation.
8. Water or dirt in fuel system, carburetor or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor or intake seals.
12. Loose or dirty ignition module connector at crankcase.
13. Faulty MAP, CKP, and or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damage intake or exhaust valve.
For a prime suspect please visit website below and good luck:
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

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1 Answer

2003 HD Road King - starts fine, idle normal. Once it is warm, idles at 2000 rpm. Does not come back down, even after riding for an hour or two. Only idles normal when cold. Help??


If you bike is equipped with a carburetor, the idle stop screw is located at the top of the carb on the right side. Counterclockwise turn slows the idle speed.

If you bike is fuel injected, a dealer or shop will have to set the idle speed electronically.

Good Luck
Steve

Sep 16, 2010 | 2003 Harley Davidson FLHRCI Road King...

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