Question about Harley Davidson FLSTF Fat boy Motorcycles

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1993 HD fatboy won't start. has spark and fuel and turns over

1993 Harley Fatboy sat for 3 weeks. Has spark and getting fuel, turns over good but will not even attempt to fire.

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  • Harley Davidson Master
  • 43,124 Answers

Hi Leon, and the usual suspects are:
1. Fuel tank empty
2. Fuel supply valve turned off.
3. Fouled spark plugs.
4. Engine flooded with gasoline as a result of over use of enrichner.
5. Fuel valve or filter clogged.
6. Vacuum hose to automatic fuel supply valve disconnected, leaking, or pinched.
7. Discharged battery, loose or broken battery connections.
8. Loose wire connection at coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, spark plug cable connections loose,
or cables connected to wrong cylinders.
10. Ignition timing incorrect due to faulty ignition coil, ignition module, or sensors " Manifold Absolute Pressure" "Camshaft Position Sensor" "Crank Position Sensor" "Brake Apply Sensor
11. Engine lubricant to heavy ( winter operation )
12. Sticking or damaged valves or push rod wrong length.
13. Primary cam sproket spline sheared or missing spacer.
14. Security alarm system not disarming.
Good luck

Posted on May 17, 2015

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Posted on Jan 02, 2017

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cape cod bob
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SOURCE: Can't find sensor that cancels turn signals 1993 Harley Fatboy

http://www.carlsalter.com/motorcycle-manuals.asp

try here for a free service manual. pdf

Posted on Apr 03, 2009

  • 420 Answers

SOURCE: Is it possible to clean the fuel pump of my 2002 Fatboy FLSTFI?

Try running sea foam a couple of times.

Posted on Apr 10, 2009

  • 302 Answers

SOURCE: picture wiring diagram for 2003 harley fatboy

May I suggest a trip to your local library. Cycle repair books should be in 646 stacks of reference.
Otherwise you can Google for 2003 Clymer Service manuals on the internet.
I think Clymer had electrical diagrams in their books. I doubt that any except the HD service book would have anything about the physical location of the harness, but the pictures in the other books would help you.

Posted on Oct 11, 2009

wd4ity
  • 4565 Answers

SOURCE: need manual for 1993 harley

Try this place. http://www.diyrepairmanuals.com/products.asp?cat=14144 You will not find any service manuals or owner manuals online for a free download. Harley is very protective of their copyrighted material.

Good Luck
Steve

Posted on Mar 15, 2011

wd4ity
  • 4565 Answers

SOURCE: TAKE GAS TANK OFF A 1993 HARLEY FATBOY

First take the trip meter reset knob off the speedometer. Then remove the center bolt or nut from the middle of the console just below the speedometer. Work the console cover off of the speedometer. Remove the seat. Remove the fuel line from the fuel petcock and drain as much fuel out of the tank as you can. Once you get as much fuel from the petcock, disconnect the "cross-over" fuel line at the front of the tank. Catch as much of the gasoline as possible.

Remove the two bolts at the Front of each tank and the one at the rear of the tank on top of the frame remove the tanks one at the time. There is a vent line that connects both tanks that crosses underneath the dash.

Posted on Mar 16, 2011

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1 Answer

1995 Harley fatboy has spark getting gas but still wont kick or start.


Hi, Dennis and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enrichner.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Fuel line to carburetor or throttle body pinched, kinked or blocked.
8. Carburetor float stuck.
9. Fuel injectors clogged.
10. Severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
11. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
12. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
13. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
14. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
15. Faulty neutral, clutch lever, or kickstand safety switch.
16. Faulty fuel pump or fuse or relay.
17. A stuck bent or burnt valve.
18. Tilt sensor needs a reset.
19. Security system not disarming alarm needs a reset.
20. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will 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.
Fatboy Won Start Please help Harley Davidson Forums
http://www.carlsalter.com/pdfs/Harley%20Davidson-HD%201984-1998%20FLH-FLHT-FXR-FXSB-FXEF%20Service%20Manual.pdf
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 A must have !!! Absolutely "FREE"

Jan 16, 2017 | Harley Davidson Motorcycles

1 Answer

1993 flstf clutch cable installation?


Hi Anonymous, for more information on your question please visit the websites below and good luck:
How to Remove the Clutch Cable on Harley Davidson Big Twin Motorcycle

Aug 02, 2012 | Harley Davidson FLSTF - FLSTFI Fat Boy...

1 Answer

I have a 2000 Harley fatboy and it won't start


Hi Tim, when checking for spark the CKP needs to measure the compression bump in order to send the correct signal to the ICM/ECM so always check for spark with either a third plug grounded or lift the end of the plug boot 1/2 " off one of spark plugs that are in the head. and the usual suspects are:
1. Fuel tank empty
2. Fuel supply valve turned off.
3. Fouled spark plugs.
4. Engine flooded with gasoline as a result of over use of enrichner.
5. Fuel valve or filter clogged.
6. Vacuum hose to automatic fuel supply valve disconnected, leaking, or pinched.
7. Discharged battery, loose or broken battery connections.
8. Loose wire connection at coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, spark plug cable connections loose,
or cables connected to wrong cylinders.
10. Ignition timing incorrect due to faulty ignition coil, ignition module, or sensors " Manifold Absolute Pressure" "Camshaft Position Sensor" "Crank Position Sensor" "Brake Apply Sensor
11. Engine lubricant to heavy ( winter operation )
12. Sticking or damaged valves or push rod wrong length.
13. Primary cam sproket spline sheared or missing spacer.
14. Security alarm system not disarming.
For a primary suspect please visit the website below: Good luck
Big Twin Carb EFI DTC Intructions codes Harley Davidson Forums Harley...

Mar 18, 2012 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

Bike ( 2001 Fatboy ) sat for a few weeks, upon starting , only running on 1 cylinder, is there a quick fix to get this moving again without opening it up?


Before I started "opening it up", I'd try to determine why the front cylinder is not running. You gave me absolutely nothing to work with here other than it has been sitting for a "few weeks". Specifically how long is a "few weeks". Even though the gasoline we buy these days is pretty poor quality, it will still last more than a few weeks unless that few weeks is more like a few months. Usually an engine does not break when it's not running but there are a few things that can go wrong. A tappet could collapse and then stick causing a loud noise but even with a collapsed tappet, I've seen them run. You could have a spark plug fouled and not firing. Since Harley uses a dual fire type ignition where both plugs fire every time the pistons come to top dead center, if one plug fires, then the other should be firing. That covers the ignition and compression, leaving only fuel. You failed to say if the engine was equipped with a carburetor or fuel injected. Since it's missing only on one cylinder I have the tendency to think that it may be fuel injected. If so, that's where I'd look to begin with. If it's a carbureted engine, look for a vacuum leak somewhere feeding the missing cylinder.

Good Luck
steve

Jul 19, 2011 | 2000 Harley Davidson FLSTF Fat boy

2 Answers

Need manual for 1993 harley davidson fatboy flstf


Try this place. http://www.diyrepairmanuals.com/products.asp?cat=14144 You will not find any service manuals or owner manuals online for a free download. Harley is very protective of their copyrighted material.

Good Luck
Steve

Mar 14, 2011 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

2005 fatboy starting problem


Start with the battery and make sure u have at least 12.5 volts and good cable connections
1. Are the plugs fouled ?
2.Fuel filter clogged ?
3.Check all the (vacuum) lines for tight connection
4. Sparg plug cables, coil
5.Ignition timing, sensors

Dec 01, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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