8 June 1975 at Hook
| Experts | RH Sidecars (Wessex Centre C’ ship) | Unlimited |
| 1- Julian Wigg | 1- Pete Robson & Dave Hopes | 1- Julian Wigg |
| 2- R. Evans | 2- Ken Jones & Steve Wheeler | 2- G. Smith |
| 3- B. Leigh | 3- Pete Dyer & L. Eriksen | 3- R. Evans |
| 500cc (Wessex Centre C’ship) | RH Sidecars (2) | 350cc (Wessex Centre C’ship) |
| 1- Julian Wigg | 1- M. Smith & B. Hicks | 1- R. Evans |
| 2- R. Evans | 2- Pete Robson & Dave Hopes | 2- J. Husband |
| 3- B. Leigh | 3- L. Eyre & B. Jones | 3- J. Williams |
| 250cc (Wessex Centre C’ship) | RH Sidecars (1) | Novices |
| 1- D. Brown | 1- Ken Jones & Steve Wheeler | 1- I. Gills |
| 2- J. Husband | 2- Pete Robson & Dave Hopes | 2- R. Avery |
| 3- J. Williams | 3- M. Smith & B. Hicks | 3- G. Barclay |