I just bought a 1998 KDX 200 with fmf pipe / silencer and the air box lid off. It has a totally stock motor. The bike had some problems but is back together. The jetting is now
pilot 48
main 160
needle R1174 2AFKQ 3rd clip (best I can read it)
screw 1.5 turns out
The sliencer packing was burnt out and the bike had lots of carbon on the kips and spooge on and in the pipe.
I live in KY about 700ft elevation.
What jets should I buy and put in? Does this jetting sound stock? Is it a good starting point?
That's the stock jetting, which probably runs rich in your bike. A good starting point is 45 pilot and 155 main, keeping the needle where it is in the middle. Fiddle with your airscrew for throttle response.
The 45/155 is FMF's recommendation, and a whole bunch of people run that combo, myself included.
I'd change my oil to deal with powervalve deposits and spooge.