If you really want to ditch the electrical starter, you will need to disconnect the battery, remove the starter cover and the engine side cover. As I recall, there are four bolts an one wire holding the starter motor in place. To remove the chain that connects the starter motor to the starter clutch, I believe the generator will have to be removed from the end of the crankshaft, since I don't think there is enough room to get it off otherwise. If you want to remove the clutch, the generator will definitely have to come out.
The starter solenoid and the cable that connects it to the starter motor come out easily. You may be able to find switchgear from a kickstart model to replace the unsightly button.
If you go through with this, I recommend that you keep all these parts together in a box until you are absolutely sure you don't want them. Then you can sell them to someone who appreciates their value.
As for special tools, you will need some JIS screwdrivers (or suitably modified Philips), and you will likely need an impact wrench to get the generator off. The most important tool is a genuine Kawasaki factory service manual. It will save you a great deal of time, money and frustration.
