Aktiv Blå dosen't turn!

[Alessandro2017]

Hi,
hope to get some help here. Sorry I can not speak Swedish yet.
I have an Aktiv Blå from 1976. It was found in a garage and did not work. Now after cleaning carburetor, changing filters and pipes etc Now it starts and go fine. Only problem it doesn't turn. I mean the steering does his job but nothing, the scooter doesn't turn. Could this be related to the damper that has not pressure on the ground? Could anybody point me to an shop where I could find something suitable?
Thank you very much and sorry again for not speaking Swedish!
MVH
Alex