......On an 06 model your supposed use the fully compressed method. The level should be 145mm to 150mm from the top of the tube.(no springs installed)
......
are you sure?
I don't have my book handy, but I think it's a bit more, and I pulled this from a note I sent to Greg (pfloydgad) a few months back, I know I had the book in hand when I sent this to him:
"you need to take the fill measurement with the forks compressed on your model year,
use a bungy to pull the fork sliders up and hold them up top for that. My old book is showing a level from the top of the fork, along the axis of the tube at the center, to be
171mm from the top (6.73 inches... 6-3/4" will be fine...). "
also, make sure you have enough fluid before you start...I say this because I have been there, and done that....and having to run for a second bottle sucks....
post 94 bikes take 320 ml of fluid (10.82 oz.), for each fork....so if you just bought a pint bottle, you are gonna need more....
as for the books giving 2 methods, compressed or extended, those are specific to model year, and cannot be interchanged. the forks internals differ in post 94 and pre 94. pre 94 used the fully extended measurment, post 94 uses the compressed method, and both are done with the springs out.