CATEGORIES FOR AUSTRALIAN HISTORIC ROAD RACE CHAMPIONSHIPS

Solo Up to 125cc

Solo 132cc to 250cc

Solo 263cc to 350cc (excludes Period 6)

Solo 368cc to 500cc

Solo 526cc to 1300cc (excludes Period 6)

Sidecar Up to 1300cc (excludes Period 6)

Period 2 Up to 350cc

Period 2 368cc to 1300cc

Period 3 Formula 700 526cc to 700cc

Period 4 Formula 750 526cc to 750cc

Period 5 Formula 750 526cc to 750cc

Period 6 250 Production Solo 250cc

Period 6 Formula 750 Solo 526cc to 1000cc

Period 6 Formula 1300 Solo 788cc to 1300cc

For the purposes of determining eligibility, machines are categorised as follows:

PERIOD                 NAME                   DATE RANGES

Period 1                Veteran                Up to 31 December 1919

Period 2               Vintage                 1 January 1920 to  31 December 1945

Period 3               Classic                   1 January 1946 to  31 December 1962

Period 4               Post Classic          1 January 1963 to  31 December 1972    

Period 5               Forgotten Era      1 January 1973 to  31 December 1982 Period 6               New Era                1 January 1983 to  31 December 1990

For the purposes of determining eligibility there will be the following classes:

CLASS                                    TYPE                                      CAPACITY

Ultra Lightweight             Solo                                        Up to 125cc

Lightweight                         Solo                                       132cc to 250cc

Junior                                    Solo                                       263cc to 350cc (excludes Period 6)

Senior                                   Solo                                       368cc to 500cc

Unlimited                            Solo                                       526cc to 1300cc (excludes Period 6)

Sidecar                                 Sidecar                                 Up to 1300cc (excludes Period 6)

Period 2                               Junior Solo                          Up to 350cc

Period 2                               Senior Solo                          Up to 500cc

Period 2                               Unlimited Solo                   368cc to 1300cc

Period 3                               Formula 700                       Solo 526cc to 700cc

Note: This class is for push rod engines only and there is no capacity tolerance.

Period 4                               Formula 750                       Solo 526cc to 750cc

Period 5                                Formula 750                      Solo 526cc to 750cc

Period 6                                                                               Solo 250

Production Note: machine must have either a compliance plate fitted or supporting documentation of the year of manufacture

Period 6                                Formula 750                      Solo 526cc to 750cc four cylinder & 750cc to 1000cc two cylinder

Period 6                               Formula 1300                    Solo 788cc to 1300cc