1 pivot pegz - either love them or hate them! (NB pegs for GG are the same as for YZ)
2 as SS said, if you decide to get a new one protect it with a p3 guard
3 this could help when you re-assemble
http://www.gasgasrider.org/forum/showthread.php?t=10173
5 can also use belray gear saver oil