| # | Rider | Age | Bike | Team |
|---|---|---|---|---|
| 1 |  Davide TARDOZZI | 32 |  Ducati 851 | |
| 2 | Piergiorgio BONTEMPI | 23 |  Kawasaki ZXR750 | Moto Club Ancona |
| 3 | Gastone GRASSETTI | 28 | Yamaha OW01 | |
| 4 |  Florian FERRACCI | 25 | Ducati 888 | |
| 7 |  Christer LINDHOLM | 24 | Yamaha OW01 | Team Yamaha Sweden |
| 8 | Mauro MASTRELLI | 26 | Ducati 851 | |
| 11 | Fabrizio FURLAN | 23 | Honda RC30 | |
| 12 |  Andy WARD | 25 | Yamaha OW01 | |
| 16 |  Robert CHESAUX | 26 |  Honda RC30 | Michel Honda Racing |
| 17 |  Stefan KLABACHER | 32 | Honda RC30 | |
| 19 |  Árpád HARMATI | 27 | Honda RC30 | Eagle Racing Team |
| 20 | Francesco MONACO | 20 | Ducati 888 | |
| 21 |  Mile PAJIC | 35 |  Kawasaki ZXR750 | BSM Kawasaki |
| 23 | Karl TRUCHSESS | 26 |  Kawasaki ZXR750 | |
| 24 | Peter SKÖLD | 37 | Honda RC30 | |
| 26 | Christian ZWEDORN | 25 | Honda RC30 | Eagle Racing Team |
| 28 | Imre GYÖRI | ? | Honda | |
| 29 | Gianluca GALASSO | 26 | Bimota | |
| 31 | Thomas MACKENHAUER | 22 | Honda RC30 | |
| 32 | Marcel KELLENBERGER | 25 | Yamaha OW01 | IXS Motorradmode |
| 33 |  Josip DRMEŠ | 29 | Honda | HB Racing Team YU |
| 37 | Paolo BLORA | 21 | Ducati 851 | |
| 39 | Gunnar BRUHN | ? | Honda | |
| 44 | Bruno BAMMERT | ? | Yamaha OW01 | IXS Motorradmode |
| 54 | Luca PASINI | 26 | Bimota YB4EI | |
| 55 | Andreas HOFMANN | 35 | Kawasaki ZXR750 | |
| 56 | Anton BERGHAMMER | 36 | Yamaha OW01 | |
| 57 | Roland OSCHWALD | 31 | Honda RC30 | |
| 58 | Marco DALL'AGLIO | 29 | Honda RC30 | |
| 59 | Peter GRAVES | 24 | Honda RC30 | |
| 60 | Armando ERRICO | 30 | Yamaha |
1991-05-09 to 1991-05-12
European Championship - Yugoslavia
Rijeka (Permanent circuit, 4.1680 km)
Entries: ? / Practised: 31 / Qualified: 30
Sessions
Entry list
Struck out text denotes riders on entry list who did not participate.
Sources:
Official results/ 1991-05-xx Yugoslavian TV coverage/ AutoMotor 1991-12 pg50/ France Moto Magazine n. 260 pg19/ Le Matin 1991-05-14 pg23/ MOTOR SPORT aktuell 1991-05-15 pg48