Question about Harley Davidson FLSTF Fat boy Motorcycles

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WHAT SPARK PLUG DO I NEED FOR MY 2001 HARLEY FATBOY IF IT HAS HAD WORK DONE INSIDE THE ENGINE HOW DO I TELL

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  • Harley Davidson Master
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Hi Anonymous, take a ride or trailer your bike over to your local dealers service/parts department, I'm sure they will be happy to take your Harley Davidson for a test ride if necessary/possible and offer professional advice and assistance concerning your issue. Good luck have a nice day.

Posted on Jun 18, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ollie reece
  • 1167 Answers

SOURCE: cr125r 2001 cant start after changing piston and cylinder

hi mate you need to adjust the float if theres to much fuel going through you need to take the float out and adjust it to the manual specifications but remember slot the pin out and take the float out but watch the little valve which stops the fuel where the little valve is hanging from that is the part you need to adjust

Posted on Jul 23, 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: 2005 harley fatboy 96ci, primary housing drain

If you can turn the plug out, you can go to a large size plug. If you can't get the plug to come out, take the outer primary cover off allowing the oil to drain out as you remove the outer cover. Sure it's messy but you've got no choice. Now with the cover off, push down on the plug while trying to turn it out. It'll probably come out doing this. Then measure it and get the next size bigger. Tap the hole to the bigger size and install new plug. Good Luck!

Posted on Nov 19, 2009

Testimonial: "wish you had a p/n for the bigger size plug, that would be awesome."

  • 9 Answers

SOURCE: engine diagram for 88 cubic inch harley davidson

I was able to pull up the complete maintainence book with wiring diagram, parts assembly, torque specs and part numbers by just going to www.1972 flh 80 harley davidson oem.com

Posted on Nov 22, 2009

Mitchy123
  • 216 Answers

SOURCE: what is the right gap for spark plugs on a 2001

.38 - .42 ........i use a wire gauge and set it right at .40

Posted on Jan 10, 2010

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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

What are different types of oil drain plugs on Harley FatBoy


There are three, engine oil, transmission oil and primary oil, all are 5/8 inch hex plugs and use o-rings to seal.

Jun 06, 2014 | 2001 Harley Davidson FXD Dyna Super Glide

1 Answer

Will a 2001 gas tank fit on my 1997 fatboy


Hi Anonymous, they should just check with your local dealers parts department to confirm. Good luck.

Feb 26, 2013 | 2001 Harley Davidson FLSTF - FLSTFI Fat...

1 Answer

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


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

Jan 05, 2013 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

Check engine light cycles on and off during acceleration on my 2006 FLSTFI fatboy


It appears that the bike is setting a no combustion code. Could be an issue with the coil, plug wires, or even the spark plugs. Some spark plugs are known to set these codes because they operate outside the parameters of the engine management system. Change the plugs and see if this helps. Good luck.

May 02, 2012 | Harley Davidson Motorcycles

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

I need the specs for the spark plug for my 2005 Fatboy


For information on the spark plug, I'd got to the site of the particular brand of plug I wanted to run. Personally, I like the NGK plugs but other people have a favorite of their own. Just visit their site and they'll tell you the proper plug to run of their brand. Torque the plugs to 14 foot pounds. The plug manufacturer will specify the gap. If not, gap the plugs to 0.038" to 0.043".

Good Luck
Steve

May 07, 2011 | Harley Davidson FLSTF Fat boy Motorcycles

1 Answer

Where is the oil drain plug on a 2001 harley fatboy???


on the oil tank there should be a drain hose that goes down and hitches to the frame on the bottom of the frame there should be a drain bolt. That is your engine oil drain plug and should be on the right side

Mar 28, 2010 | 2001 Harley Davidson FLSTF - FLSTFI Fat...

1 Answer

I have a 2003 Fatboy its not getting fire to eather plug


If you've taken your plugs out of the engine and you have no compression, you won't have a spark at either plug. The twin cam engine has a compression sensor. You must have plugs in the engine in order to get a spark. Put an old set of plugs in the heads and then try it.

Mar 24, 2010 | 2003 Harley Davidson FLSTF Fat boy

1 Answer

2001 fatboy service


Fatboy, drains from the oil tank bottom right side rubber tube goes down to frame, bolt in frame is plug. Have to get to it from underneath. This is only engine oil. After oil change three quarts, if change filter 3.5 quarts.
Hope this helps.

JP

May 30, 2009 | 2001 Harley Davidson FLSTF - FLSTFI Fat...

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