| # | Rider | Age | Bike | Team |
|---|---|---|---|---|
| 0 |  Gianluca GALASSO | 25 |  Bimota Tesi 1D | |
| 1 | Baldassarre MONTI | 28 |  Honda RC30 | Moto Club Paso Libertas Sorbolo |
| 2 | Davide TARDOZZI | 31 | Ducati 851 | Moto Club Renzo Pasolini |
| 4 | Fabrizio PIROVANO | 30 | Yamaha OW01 | Moto Club Biassono |
| 7 |  Graham SINGER | 34 |  Kawasaki ZXR750 | Moto Club Firenze |
| 8 | Massimo BROCCOLI | 32 | Ducati 851 | Moto Club Lucchinelli |
| 9 | Mauro RICCI | 35 | Kawasaki ZXR750 | Moto Club Ruggeri |
| 11 | Giorgio CANTALUPO | 28 | Ducati 851 | Moto Club Augusta Praetoria |
| 13 | Francesco RANDAZZO | ? | Honda | Moto Club Roma Nord |
| 14 | Aldeo PRESCIUTTI | 29 | Yamaha OW01 | Moto Club Romanelli |
| 15 | Marino FABBRI | ? | Bimota YB4EI | Moto Club Paolo Tordi |
| 18 | Alan BENEDETTI | 25 | Yamaha OW01 | Moto Club Morena Mosport |
| 19 | Ivo ARNOLDI | 25 | Bimota YB4EI | Moto Club Paolo Tordi |
| 22 | Antonio CALASSO | 27 | Bimota YB4EI | Moto Club Biassono |
| 23 | Francesco MONACO | 19 | Ducati 851 | Velletri Motor Club |
| 25 | Adriano NARDUCCI | 33 | Yamaha OW01 | Moto Club Biassono |
| 31 | Oscar LA FERLA | 34 | Suzuki | Moto Club Renzo Pasolini |
| 35 | Andrea BRUNOTTI | ? | Ducati | Gentlemen's Motor Club |
| 36 | Romolo BALBI | 30 | Ducati 851 | Moto Club Fusignano |
| 41 | Moreno GARAVINI | ? | Bimota YB4EI | Moto Club Paolo Tordi |
| 43 | Roberto BIAGIOLI | 22 | Yamaha OW01 | Moto Club Corsico |
| 44 | Massimiliano COLOMBARI | ? | Ducati 851 | Moto Club Ruggeri |
| 46 | Gianfranco PISETTA | ? | Kawasaki ZXR750 | Primotor |
| 48 | Angelo LAUDATI | ? | Suzuki | Moto Club Valle Santa |
| 53 | Mauro MASTRELLI | 25 | Ducati 851 | Moto Club Renzo Pasolini |
| 54 | Gianluca MOSCHINI | 22 | Bimota YB4EI | Moto Club La Marca Trevigiana |
| 55 |  Richard ARNAIZ | 28 | Honda RC30 | Moto Club Bergamo |
| 56 | Lino BOSA | ? | Bimota YB4EI | Moto Club Touring International |
| 57 | Andrea BASTIANELLO | ? | Suzuki | Moto Club Paolo Tordi |
| 58 | Ugo LAUDATI | 19 | Suzuki | Moto Club Valle Santa |
| 71 | Tiberio GARATTINI | ? | Ducati 851 | Moto Club Lumezzane |
| 72 | Paolo BLORA | 20 | Yamaha OW01 | Fiamme Oro |
| 73 | Silvano DI GIULI | ? | Suzuki | Moto Club Celeste Berardi |
| 74 | Gerardo BLOISI | 39 | Ducati | Tecnomoto |
| 75 | Bruno CIRAFICI | 24 | Ducati 851 | Moto Club Cogliate |
| 76 | Alberto CARPINELLI | ? | Ducati 851 | Gentlemen's Motor Club |
| 77 | Luca PASINI | 25 | Honda RC30 | Moto Club Celeste Berardi |
| 78 | Stefano ROGORA | ? | Suzuki GSX-R750 | Moto Club Meda |
| 79 | Marco SORRENTINO | ? | Honda RC30 | Gentlemen's Motor Club |
| 81 | Fabrizio FURLAN | 22 | Yamaha | Moto Club Paolo Tordi |
| 82 | Enzo CHIAPELLO | 40 | Yamaha FZ750 | Primotor |
| 83 |  Edmund HLABIAN | ? | Honda | Primotor |
| 85 | Marco PAPA | 32 | Yamaha OW01 | Moto Club Perugia |
| 86 | Gastone GRASSETTI | 27 | Honda RC30 | Moto Club Pesaro Tonino Benelli |
| 87 | Danilo STOCCA | 40 | Honda | Primotor |
| 88 | Nevio BASAIA | ? | Yamaha | LMC |
| 91 | Amedeo PERRONE | 23 | Ducati | Gentlemen's Motor Club |
| 92 | Michele VALDO | ? | Honda | Moto Club Abruzzo |
| 93 | Medardo MARRAS | ? | Ducati | Moto Club 2000 Roma |
| 94 | Stefano CARACCHI | 29 | Yamaha OW01 | Moto Club Ruggeri |
| 95 | Claudio SABATUCCI | 29 | Ducati | Gentlemen's Motor Club |
| 96 | Danilo TOSCHI | ? | Ducati | Big Wheels |
| 98 | Bruno SCATOLA | 29 | Yamaha | Moto Club Saturno |
| 99 | Fabio MARINELLI | ? | Ducati | Gentlemen's Motor Club |
1990-04-07 to 1990-04-08
Campionato Italiano Superbike
Vallelunga (Permanent circuit, 3.2200 km)
Entries: 54 / Practised: 41 / Qualified: 36
Sessions
Entry list
Struck out text denotes riders on entry list who did not participate.
Sources:
Official results/ Official entry list/ Il Messaggero 1990-04-08 pg25/ Motosprint 1990-15 pg56-57/ Maurizio Mazzoni archive