2003 Harley Davidson FLSTFI Fat Boy Logo
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Anonymous Posted on Jan 16, 2014

My 03 Fat boy has a low end clunking with brass in the oil with only 16k mi. Cam bushing or rod bearings?

On some older bikes one of the bushings had problems but this is almost new and runs great. Should I check the compression first?

5 Related Answers

Anonymous

  • 17 Answers
  • Posted on Mar 28, 2009

SOURCE: 93 fat boy will not continue to run once started and wont restart

sounds like a fuel supply problem it probably has some build up in the fuel system from sitting so much, if it has a screen in the bottom of the tank it could be clogged with sediment from the fuel sitting. or in the filter if it has one could be clogged with old gas or dirt particles. Clean the tank if needed, unhook fuel line at engine and make sure there is flow from the tank. I sometimes blow air through the line back up to the tank to back wash any problems.

good luck

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goalie39

Ed

  • 479 Answers
  • Posted on Apr 13, 2009

SOURCE: 2006 Screamin Eagle Fat Boy- tach, speedo, blinkers not working

You've blown a fuse, check the fuse block. it should be an accessory fuse.

tbrat44

  • 86 Answers
  • Posted on Jun 03, 2009

SOURCE: low oil on dip stick

no, in my opinion there was no harm done to the engine. if the dipstick had oil on it when you checked it, then its fine. any time you change oil and filter, let the bike idle until its hot then shut it down and wait a couple minutes and then check oil level.. and add if necessary.

vtrktrmn

  • 201 Answers
  • Posted on Sep 19, 2009

SOURCE: Need new cluch

Not sure what the question is but to get to the clutch you will have to drain the oil out of the primary and remove both small covers and lager outside primary cover to get to the clutch. Remeber to fill it with oil after you put it together it should take about 32 ounces of oil.

Anonymous

  • 4565 Answers
  • Posted on Jan 24, 2010

SOURCE: how to install rod bushings on a harley

Replacing rod bushings is not a difficult job but you must have some special tools if you're going to do it with the crank assembly still in the cases.

Harley makes a special tool with which you remove and reinstall the bushings with. Basically, it's a couple of metal cups and a bolt. You ues the cups in one way and pulls the old bushing out. Use them the other way and pulls the new bushing back into the rod.

Once you have the new bushings in place, you must have a special **** with which to **** the new bushing to the correct inside diameter.

If you have the crank out of the cases and the crank is disassembled, you can have the rod bushings replaced the way most other such bushing are replaced in a machine shop. They have equpment to press the old bushings out and new ones back in and then hone the bushing to size. Simply take them your rods, the new bushings, and a new piston pin for sizing the bushing too.

I do not have the part numbers for the tools needed to do this job as I don't have a service manual in front of me. If you need the numbers of those tools, contact me directly at [email protected] Good Luck!

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0helpful
1answer

My 03 Fat boy has a low end clunking with brass in the oil with only 16k mi. Cam bushing or rod bearings?

With the "clunking" noise (if in reality, more of a "knock"), I'd tend to believe a connecting rod big end bearing.

BUT, it'd be easier to check the cam bearing first, plus you'd have to get this far before tearing down more to get to the rod bearing, anyways.

BUT, you can get an idea of the rod bearing by tearing down top end, remove cylinders and pistons, and check if you have any up/down play at the rod (there should be no appreciable noticable movement).
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I have a 97 wide glide with16,000 miles oil light stays on and a ticking noise started i shut off bike right away, could it be oil pump not working making lifters and cam to make a ticking noise?

doubt if it would be an oil pump
the copper shavings are more likely to be from rocker shaft /arm bushes
If the bushes have failed then there will be a reduction in oil pressure putting the light on
cam shaft bushes and big end bearing failure is normally a grey metallic in the oil
talk with an accredited shop for a proper diagnosis.
1helpful
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I have a 1984 h/d fxr I got a new outter primary and it is getting stuck in the starter bearing I have oiled it and greased it but it still gets stuck,, anything you can think of

I don't understand exactly what you mean by the bearing getting "stuck" in outer primary. The starter shaft has bearing race on the of it. This bearing race is also a nut that holds the shaft and it's parts together. The outer primary cover should have either a bearing or a bushing in it. The bushing or bearing in the outer primary provides support for the starter shaft while starting the engine.

Now, take the starter shaft fork loose and remove the shaft. Put the shaft into the bearing or bushing and make sure it turns freely. If not, you'll need to take the shaft and the outer primary to an automotive machine shop and have the bushing fitted to the "nut" on the end of the shaft. If you have a bearing in the outer primary, the nut must be turned down to fit it but neither of these cases are common, matter of fact, I've never heard of it having to be done.

If the "nut" on the outer end of the shaft seems to fit the bearing or bushing in the outer primary like it should, then your problem is an alignment problem. The outer primary, inner primary, and starter assembly are not aligned. There should be a couple of alignment pins in the inner primary that aligns the outer primary when installed. There are also two alignment pins in the starter gear housing on the backside of the inner primary. You may have to remove these pins in order to get everything to align properly.

Welcome to the world of foreign made Harley parts. Regrettably, we have to rely on foreign made parts to keep the older bikes running. Not all the parts fit like they should. I once spent three days trying to get a set of kick starter gears to work on a 72 FLH. I never did get them to work but managed to use the clutch gear to repair the transmission but I had to modify it to get it to work.
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Front end clunking shaking

check front tie rod ends and also wheel bearings could be lower controll arm bushings also...pos ball joints too
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What is the bar or rod called that is on the drivers side hooked to the lower controll arm and goes towards the front it has bushings in it were it connects to the lower controll arm- thoes bushings are...

The rods that connect the K-member (subframe) to the lower control arms are called "strut rods". Your local auto parts store should carry the bushings.
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I feel a slight thud in the steering and hear a light thud when I turn a corner; seems to happen most when the car has just started driving; is this an issue of power steering fluids, something in the rack...

This is most likely the steering knuckle or tie rod end that needs grease or most likley replacement. If your hear clunk when turning, then it is proabably the tie rod ends. If clunks while driving, then it may be the balljoints.
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2001 H-D Road King engine knock

For valve train noise try these:
1. Low oil pressure caused by oil feed pump not functioning
properly or oil passages obstructed.
2. Faulty hydraulic lifter(s).
3. Bent push rod(s).
4. Incorrect push rod length.
5. Rocker arm binding on shaft.
6. Valve sticking in guide.
7. Chain tensioning spring or shoe worn.
8. Cam(s), cam gear(s) or cam bushing(s) worn.
9. Cam timing incorrect.

If it is a bottom end knock, an engine tear down may be in order.
1helpful
1answer

We replaced the camshaft and bushings on the Q Link 200, and it seems to be overheating. What could be the problem and is it a common problem on this bike. It has less than 4000 miles on it!!!!

The original cam and bushings were replaced for a reason. The reason is still there. The only thing that would cause the cam and bushing to wear so badly is a serious lack of lubrication. Normally the OHC is going to last the entire life of the bike and then some.

You need to find out what is stopping oil from getting to the top end. Bad oil pump? Plugged up oil passage? Little oil in the crankcase? Plugged up oil filter? Bushings in backwards covering the oil feed hole? Head gasket upside down and blocking the oil flow? The problem is not going away until the cause is found.

Please rate this solution. Thanks!
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