Have noise that I am pretty sure is the cam chain. I bought the bike new and only have 6200 milers on bike

You must remove the entire tensioner and leave it out while you swap out the sprocket. Set it to it most retracted position and then install. Adjust it after it is installed. Make sure you have some slack or you will break the chain.

No oil chain is behind the clutch I think. It's either the clutch (does the noise go away when you pull in the lever?) or the cam chain.

This is area is called the "cam chest" for obvious reasons. The cams are in there as well as the oil pump and chains to drive the cams. I would suspect that your noise is the cam chain tensioner is worn and needs replacing. I'd like to give you more information about this but since I've never worked on the Twin Cams, anything I say may or may not be correct. I do know that there are some special tools required to work in this area. I don't work on anything later 1999 models as I specialize in the bikes that the Harley shops won't work on any longer. Now, if you're willing to purchase the tools and a shop manual, I'm pretty sure you can do the job. It's not that difficult.

Good luck
steve

it can either be a worn tensioner or need for a valve adjustment. if you rev the engine and noise goes away, you need a new cam chain tensioner. if the noise remains or gets worse when you rev it up, you need a valve adjustment and should replac the tensioner anyway. 36,000 miles on the motor is definitely mileage for an adjustment if it's never had one.

You have a self adjusting cam chain tensioner. It is sold as an assembly. Take out the complete unit and replace it with a new one. The springs are not bad , the device that keeps the pressure on the tensioner is slipping causing a ticking sound.

Any chance the valve spring has collapsed? Cam shaft thrust washers missing? Cam shaft bearing gone bad?
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Try these for valve train noise:

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.