4 May 1985 at Four Marks
| 500cc | RH Sidecars | 350cc |
| 1- Will James | 1- Roger Measor & Dave Harris | 1- John Underwood |
| 2- Mike Beaumont | 2- Ken Lane & Paul Uryez | 2- Andy Wickham |
| 3- John Dormer | 3- Paul Blackall & Ron Greenwood | 3- Paul Jeffrey |
| 250cc Open | Vintage | |
| 1- Richie Knight | Not Known | |
| 2- Tim Errey | ||
| 3- Phil Sims |