If you choose to execute maintenance on your Kawasaki KX 100 then it is usually a great idea to have a Workshop Manual to keep just for a guide should you need to know simple methods to take off a specific part for example, the Gearbox and install it again correctly.
Kawasaki KX 100 Workshop Manuals gives you identifiable diagnostic guidelines for the vehicle therefore if something is broken it helps you understand what the problem is and the way to repair it. You can then analyse if this can be done yourself or if the job is simply too big you are able to make a booking for your KX 100 into a decent mechanic.
Kawasaki KX 100 manual