Sorry mate not sure on size but heres a video all about it
MOST COMPLETE BUILD APOLLO 6 RELEASED IN KODI / XBMC - YouTube
If you're interested in trying different builds then the community portal Addon has nearly 70 different builds. You have to register for free on their website to unlock this feature on the add-on. You can also install individual add-ons and back up and restore your build. It also has the best maintenance I have seen on an add-on. Link below on how to install
Tutorial How to Install the Community Portal for Kodi