I'm not looking to upgrade yet. I am wanting to buy a crash kit and some spare parts for my future mistakes. I am trying to find out some measurements or certain markings that would allow me to determine which parts have been upgraded. It is my understanding that you could upgrade some parts without changing everything. I just want to find out exactly what I have.

For example: I think I have 600mm blades. Does this automatically mean that the tail boom was changed, or could the 600's work with the 30 size tail boom? How long is the 50 tail boom? How can I tell the difference in the cooling fan, clutch or other parts to know what is on my machine?