4 August 1991 at Black Notley
| 350cc | 500cc Sidecars | 250cc |
| 1- Andy Riley | 1- Cecil Taylor & Iain Thompson | 1- Mark Wadsworth |
| 2- Richard Musson | 2- Kevin Leide & Alan Pithouse | 2- John Dormer |
| 3- Phil Alderman | 3- Brian Palmer & Craig Herbert | 3- Ian Rutter |
| 4- Martin Jacobs | 4- Carl Squirrell & Lyn Green | 4- Grant Faulkner |
| 5- Alan Farmer | 5- Mal Goodwin & Lester Goodwin | 5- Mike Nicholson |
| 6- Lee Potter | 6- Dave Collin & Rick Francis | 6- Ritchie Knight |