Like most other forms of vehicle insurance, the cost of Compulsory Insurance (Por Ror Bor) is determined by the engine size.

 Engine Size                  Premium for                 Premium for

         CC                      Private Use Bike         Commercial Use Bike

   0-110 cc                         323.14 baht                   376.44 baht

    111-125 cc                      323.14 baht                   376.44 baht

    126-150 cc                    430.14 baht                    430.14 baht            

   Over 150 cc                    645.21 baht                    645.21 baht