-Try a lot to make it without police and pay. If the accident opponent want have to much money call the police 191
-Make Fotos, Videos from insurance papers, location, plates, accident opponents, ID Card.
-If it's big damage you all will go to policestation. Maybe u need money for a kaution.
-NEVER sign a paper that you not fully understand!
After all this:
Is your Bike is damaged, you cannot drive?