Question about 2001 Harley Davidson FLSTF - FLSTFI Fat Boy

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Carb i have a 2000 fatboy i need to rejet it but i dont know what type of carb i have

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Look at the top of the carb if it is round and held on by 4 phillips screws it is stock keihn if it has a brass screw with what looks like an X leaned at about 45deg, its an S&S if it is a small rectangle with screws on the ends its a mukini you can try to look at the sides of the carb you might see who makes the one you have and any good shop has jets or can get jets why do you think you need to rejet contact us

Posted on Jan 11, 2009


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1 Answer

No power when give it gas.

believe carb adjustment bad & carb needs to be rejetted to exhaust, believe you need to add a higher flow gas valve & possibly new plugs & wires

Apr 21, 2014 | 2000 Harley Davidson FLSTF Fat boy

2 Answers

99 fatboy has no power

Hi Anonymous, you have all the classic symptoms of retarded timing, bad intake seals, and incorrect clutch adjustment, or wrong type of primary oil, or contaminated and or warped clutch plates. Good luck

Apr 19, 2014 | 2005 Harley Davidson FXSTI Softail...

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Hello i bougt a vt1100c shadow with aftermmarket muffelers thay say thare sremin eagal pipes. I dont know the engine back fires as soon you let off the gas or downshift. could rejeting the carbs solve...

When back pressure is reduced on the exhaust system it effects the fuel mixture on a downdraft type of carb. Same as when the air intake is modfied from stock. The carbs are jetted for best performance with factory equipment....rejetting will help if you install the right jets, it can also make it worse if you don't. A vacuum leak will also make it pop through the exhaust.
Hope this helps.

Jul 14, 2011 | 1987 Honda VT 1100 C Shadow

1 Answer

Maved to augusta ga from las vegas nv. my 2004 fatboy when at idle will not stay running without the choke 1/3 out

If your carb is stock, it should have a #45 slow speed jet in it for this area. I'd go to either a #48 or a #50 slow jet. I live in Forsyth, Ga. and I usually put the #48 in most Twin Cam 88 bikes that have changed the exhaust or are popping back out of the carb. If you think this is the problem try changing the jet. I don't know what the altitude is in Las Vegas and I have no idea if Harley rejets the carb for different areas. The CV carb usually is not that sensitive to altitude like the older type carbs were. The Idle Speed Stop Screw is located at the top right of the carb. Turn the inwards (clockwise) to increase the idle speed.

If you bike is fuel injected, you'lll have to take it to a shop to have this problem corrected.

Good Luck

Feb 11, 2011 | Harley Davidson FLSTF Fat boy Motorcycles

2 Answers

Need diagram of carb for 2001 883c sportster to change jets in carb.

no offense, but if you dont know where and how to change the jets on the carb, then you are better off leaving it to someone that knows those carbs. Rejetting a carb can be a tricky thing, and can also lead to a carb that junk if you don't know exactly what your doing.

Take it to a shop they will change them cheap.

Aug 01, 2010 | 2004 Harley Davidson XL 883C Sportster...

2 Answers

Want to rejet my carb on '07 vt750C2 spirit. Have

to start with you need to purchase a jet kit. it will come with instructions. the stock needle is non adjustable. also you need bigger jets.

Jun 02, 2010 | 2007 Honda VT 750 Shadow

1 Answer

Carb re-jet

I would rejet the carbs. I would go one size up on the jets. That should clear up the problem.

May 07, 2010 | 2000 kawasaki Zephyr 750 RS

2 Answers

1997 FatBoy backfires through the carberator.New carb.

Carburator backfires are almost always due to a lean condition. Check your intake manifold for air leak. Star the bike, warm it up and let it idle on the kickstand. From the air breather side spray a bit of wd40 onto the intake manifold (one side at a time) and listen for the idle to pick up. If it does, you're sucking air around the intake. This should be fixed right away as it will just get worse and could result in burned valves. If this is not the case then check the main jet in your carb and get one that is richer. Trial and error is the only way to determine the best jet for your bike.

Jul 08, 2009 | Harley Davidson Harley-Davidson Motorcycle...

2 Answers

Where and what fluids to check,also type to use and basic adjustments.i ride hard and dont have time to let my sled sit in a shop.

The Haynes Shop manuals are God sends. They have everything you need and then some to be able to tear down and rebuild your bike and maintain it through the years. tend to be about $40 but are worth hundreds if you ask me.

May 13, 2009 | 2000 Harley Davidson FLSTF Fat boy

1 Answer

Carb ploblem

sounds like you have a new style holley carb it is the only one thats fits that discription (s&s used to have one also, but discontinued it years ago.) you might try adjusting the accelerator pump so it squirts less gas in the engine apon accerellating that is the biggest culprit when you see carbon(black soot) in the carb you said you think it is jetting did you buy the bike used? if so ask the old owner what jets were installed and does he have any other jets if you can.

Jan 18, 2009 | 2001 Harley Davidson FLSTF - FLSTFI Fat...

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