2002 ec250 help please!

[Cgt1977]

Hi all

New to this forum and to owning a gas gas. Recently taken on a new project 2002 ec 250 which I have managed to get running and starting to get it looking great too, however I am in need of a few parts and wondered if any of you could
Help?? I am after

Stem nut
Air box cover for existing original plastics
Or complete new plastics set (red)
Seat cover or new seat?!?

Would appreciate all the help I can get

Thanks for taking the time to read this and I look forward to hearing from you

Regards

Carl