Question about 1979 Harley Davidson XLH 1000 Sportster

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Connecting fuel lines to s & s Carb.

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Hi Anonymous, Please visit website below:
Harley Davidson Manuals Mark Workshop
Good luck

Posted on May 01, 2015

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2001 Harley Davidson FXDWG Dyna Wide Glide will not idle


Hi, Mike please contact me at the email address below to discuss the bottom pump otherwise 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 for viewing and printing 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.
It won idle
Harley Davidson Dyna Glide Twin Cam 88 Service Manual
http://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc
http://www.harley-davidson.com/content/h-d/en_US/home/owners/maintain-your-bike/owners-manual.html
Instant Tech Relief To speak to me personally absolutely "FREE"

Jul 31, 2017 | 2001 Harley Davidson FXDWG Dyna Wide Glide

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Weak fuel supply.


Hi, John #14 and #17 have just volunteered to be hero's and the usual suspects are:
1. Severely discharged or a damaged battery, should have 12.5 volts or better and be able to pass a load test if necessary.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Accelerator pump damaged or not working.
11. Water or dirt in the fuel system, carburetor or filter.
12. Restricted, blocked or kinked fuel line.
13. Fuel tank empty.
14. The gas cap is not venting properly or fuel tank venting system blocked.
15. A failed fuel pump, pressure regulator and or fuel injectors.
16. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
17. Needle and seat stuck closed in the float bowl.
For more information about your issue and valuable "FREE" downloads that you need please click on the 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 nice day.
Harley Davidson Manuals Mark Workshop
http://www.stcharlesharleydavidson.com/OEMpartfinder.htm
Owner Manuals Harley Davidson USA
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Jul 17, 2016 | Harley Davidson FXST Softail Standard...

1 Answer

02 sportster starts n stalls lites stay on and cranks but why won't it restart unless I recycle key?


Hi, Wayne the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or damaged battery, 9 volts or lower.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Failed main circuit breaker or ignition switch, check for loose connections and continuity.
5. Failed system and or ignition relay, check for continuity.
6. Failed ignition coil, ignition/electronic module.
7. Failed CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Air/fuel mixture screw improperly adjusted.
10. Water or dirt in the fuel system, carburetor or filter.
11. Restricted, blocked or kinked fuel line.
12. Fuel tank empty.
13. Gas cap is not venting properly or fuel tank venting system blocked.
14. A failed fuel pump, pressure regulator and or fuel injectors.
15. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
16. Needle and seat stuck closed in the float bowl.
For more information about your issue, please visit the websites below, and for specific information or questions, please feel free to contact me at xlch@mail.com. Good luck and have a nice day.
Harley Davidson Manuals Mark Workshop
http://www.stcharlesharleydavidson.com/OEMpartfinder.htm
Owner Manuals Harley Davidson USA

Dec 26, 2015 | 2002 Harley Davidson XL Sportster 883

1 Answer

Only runs when choked


Hi Anonymous your carb has clogged jets or restricted fuel supply. Checyour fuel tank for dirt, rust, water and sludge. Then clean fuel filter. Check your fuel vale vacuum line for cracks. Go through your carb and clear jets and passages with compressed air. Check float level, needle and seat, piston valve and diaphram. If you can't find the first and very best tool you ever bought for you Harley, please visit the website below for a mere $5.50 download:
Harley Davidson Manuals Mark Workshop
Good luck

Feb 28, 2014 | 1993 Harley Davidson FLSTF Fat boy

1 Answer

05 Electra glide cuts out


Hi Anonymous, it's either fuel related or electrical, check for restricted or collapsed fuel line, fuel valve vacuum line cracked, carb jets clogged, fuel filer contaminated, fuel cap not venting. For electrical, battery and circuit breaker connections loose and or correded, sensor or ICM issues, spark plugs and or wires, ignition coil. Try the websites below for further assistance:
Harley Diagnostic Trouble Codes
Harley Trouble Codes
Good luck

Aug 25, 2013 | 2005 Harley Davidson FLHTC - FLHTCI...

1 Answer

1977 Harley Davidson XLH 1000 Sportster will not idle without choke being on


Hi, Clayton you have officially made it into my Fixya weird folder with the spark plug smoke bit which is probably petroleum burn off you may have to dip the carburetor in an automotive carb dip comes in a 2 qt. pail for about $20 and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
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.
1976 xlh1000 carb problems Harley Davidson Forums
http://www.carlsalter.com/pdfs/Harley-davidson-1970-78%20XL%20Service%20manual.pdf
http://www.ratbikeservice.com/HD/dwnld/Parts-Catalogs/1954-78%20XL1000%20Parts%20Catalog.pdf
http://www.harley-davidson.com/content/h-d/en_US/home/owners/maintain-your-bike/owners-manual.html
Instant Tech Relief To speak to me personally absolutely "FREE"

Jul 21, 2017 | Harley Davidson Motorcycles

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I've adjusted the float and checked the needle seat [found gas in my oil ] but will not start-checked for spark thinking that it has jumped timing how do I check timing? also what about vaccume on...


The timing on your bike is set automatically by the computer and cannot "jump", not even on the older models. There is a crankshaft position sensor on the left front of the engine case that senses the position of the crank. Since your bike is equipped with a carburetor, it has a fuel petcock. This petcock is operated by manifold vacuum. The vacuum line connects to the backside of the carb. Make sure it is connected at the carb and to the backside of the petcock. To check the petcock, you must have a hand operated vacuum pump. Disconnect the fuel line, connect the vacuum pump to the vacuum nipple on the backside of the petcock and apply vacuum. Fuel should run out of the fuel line. If not, you need to replace the diaphragm in the petcock. Personally, I'd replace the petcock with a high quality manual petcock like a Pingel. You'll have to turn your fuel on and off manually, old school but it won't give you any more trouble.

You can take an oil squirt can and put some fuel in it. Remove the air filter and squirt a couple of shots of fuel in the mouth of the carb. Try to start the engine. If it starts or fires a couple of times, then you know the spark is fine. If you get the engine to run long enough, it will allow the carb to fill with fuel and it may run on it's own then.

May 09, 2011 | 2006 Harley Davidson FXDLI Dyna Low Rider

1 Answer

Trying to put new fuel lines in all around... bulb has two connections, tank and carb. carb has two connections, I imagine that the tank/filter line goes into the carb, carb then goes out to bulb, bulb...


Fuel routing:
Tank to carb (filter on free end in tank, replace annually)
Carb to primer (primer sucks fuel through carb)
Primer to tank (primer returns excess fuel to tank) HTH
Lou

Oct 11, 2009 | Poulan Garden

1 Answer

Fuel line hose came undone from bottom of carb., don't know where to re-connect. This is on a 1996 1200 sportster. Any help is greatly appreciated.


Hi and welcome to FixYa,

A fuel feed hose would enter the carbs either from the top or the side. Any hose attached to the carb from the bottom would be a drain hose. Being a drain hose, it is only connected at one end (bottom of the carb) and is free on the other. Normally, there would be a drain screw very near where the drain hose enters the bottom of the carb. The purpose of the drain screw and hose is to allow removal of contaminated, stale fuel or flushing of rust, sand from the carb bowl.

Hope this be of help/idea. Good luck and thank you for using FixYa.

Apr 27, 2009 | Harley Davidson XL 1200 C Sportster Custom...

1 Answer

I discovered a fuel line hanging and don't know where to connect it. My bike know does not start although it would turn over. I got it to start yesterday not knowing that the line is disconnected, but...


Hi and welcome to FixYa,

If I may share a couple of ideas:
  • if it were a fuel line, then fuel would be leaking either at the end of the hose or at wherever it is to be connected;
  • it is possible to be an overflow hose;
  • it is possible to be a discharge line for the drain;
  • it could be a vacuum line that connects from the carb or rubber coupling or intake manifold that goes to the fuel shutoff valve;
  • it could be a vacuum balancer that goes to the other carb or rubber coupling or intake manifold;
  • if it were fuel line either for inflow or overflow, hose would be relatively big;
  • if it were vacuum or drain, hose would be relatively small.
For a service manual, pls try here for starters.

Good luck and Thank you for using FixYa. Happy Holidays.

Dec 14, 2008 | 2000 Harley Davidson FLSTC Heritage...

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