20 July 1975 at Chulmleigh
| Unlimited (SW Centre Championship) | RH Sidecars (SW Centre Championship) | Unlimited |
| 1- Lew Coffin | 1- Ken Jones & Steve Wheeler | 1- Mike Davis |
| 2- Mike Davis | 2- Pete Robson & Dave Hopes | 2- Lew Coffin |
| 3- Rod Hawkins | 3- Gerald Roberts & Jim Turner | 3- Adrian Moss |
| Balman Trophy | RH Sidecar Open (3) | 350cc |
| 1- Lew Coffin | 1- Pete Robson & Dave Hopes | 1- John Parker |
| 2- Mike Davis | 2- Ken Curnow & Mike Rowe | 2- Richard Evans |
| 3- Adrian Moss | 3- Gerald Roberts & Jim Turner | 3- Adrian Moss |
| RH Sidecar Open (2) | Juniors | RH Sidecar Open (1) |
| 1- Pete Robson & Dave Hopes | 1- Richard Hodgson | 1- Pete Robson & Dave Hopes |
| 2- Ken Jones & Steve Wheeler | 2- Peter Jeffrey | 2- Ken Curnow & Mike Rowe |
| 3- Ken Curnow & Mike Rowe | 3- Clive Satchell | 3- Gerald Roberts & Jim Turner |
| RH Sidecar Juniors | ||
| 1- Ken Curnow & Mike Rowe | ||
| 2- Gerald Roberts & Jim Turner | ||
| 3- P. Blackmore & ANOther |