-If your opponent have no insurance, call Police 191. Do it only when u sure u are right, it's about big damage and u see a chance your opponent can pay.
-Make Fotos, Videos from insurance papers, location, plate, accident opponents, ID Card, Find witness.
-When you have good luck the accident opponents insurance man will manage this.
-NEVER sign a paper that you not fully understand!

After all this:
Is your Bike damaged, you cannot drive?