The jetting chart was accurate for me, for stock pipe. Jet sizes were good. When I got the pipe Pro Circuit recomends clip adjustment to one step leaner. FMF also has jetting adjustments that are specefic to the pipe, make and model. The clip adjustment is the 1-5. 1 at the top groove 5 is the bottom. 1 is the leanest setting, 5 the richest. I use a flat countertop to remove and install the little clip. If it hits carpet or shoots off, it's gone.
When you pull the powervalve cover, you should be able to grab the deal that looks like two washers stuck together and pull the actuator rod out about an inch and a half. Thats not the exact measurement, but it should be spring loaded and not hanging up. Then you can start the bike and watch it open to that full distance when you rev the motor.
The screw with the spring wrapped around it is the idle, and the brass screw is the mixture screw also called the air screw. The idle jet is also called the slow jet.
I have 97 500, same elevation. 168,58, 2nd clip position, I am puposely a little lean, in the mids. 3rd clip is probably better for typical riding. You can check your main by plug color and performance at Top-end run. Kill the motor after sustained high rpms and pull plug to see. Pilot sounds lean compared to mine.
When you pull out the slide, down in the top of it there's a 6mm nut that holds the the needle into the slide. When re-installing be sure the white plastic keeper in the spring goes all the way back down. It has a little slot and notch thing that has to line-up. Also smash the spring with finger directly to carb cap to get the most slack in throttle cable. You have to fish the end of the cable back into slot in the nut that has to be removed to get the needle out.
I watched over someone's shoulder a hundred times probably before I felt comfortable.
