Stig,
So I don't have a DIY on the LED upgrade, but your break fluid photos are a good start for the headlight, I used a plastic/nylon spakle tool instead of the pizza wheel. Pretty self explanatory once you get the dash off, it's really just a wire clip to hold the lamp in the reflector body in place with a couple of screws but be careful not to drop a washer into the body of the scooter as I did, I had to cobble something up to make it work as a result. I used a "CREE XPH-50" with a H7 base (three prong) as the replacement. Big improvement!
As for the running lights in the fairing, they can be accessed through the glove box but and are somewhat frustrating to install as you almost have to dislocate your wrist to install them, it took a lot of trial and patience for me to accomplish. The Lamps used are a T10 base and the brand I purchased was "Yorkim", no trouble yet and added bonus the same lamp can be used for the license plate light replacement.
As for the tail light, top box and rear directionals I would suggest other readers to check out your DIY on your top box install, as that is where I learned how to do it and it's very through. Everything back there is behind that plastic panel in the wheel well.
As far as kit I used "JDM ASTAR Extremely Bright PX Chipset 1157 LED Lamp Brilliant Red" for the tail light and it has a very good differentiation between break and running light, much brighter when breaking.
And finely for the top box I used "Wiipro Universal LED Light Strip Tail Brake Stop Turn Signal 32LED 8" Flexible led light for motorcycle" super fine wires (break out the soldering iron) and very cheap, but it's fairly bright and I have be happy with it so far.
Hope that helps, and thanks for all the help you have shared.
Jon