| # | Rider | Age | Bike | Team |
|---|---|---|---|---|
| 13 |  Yves BRISSON | ? |  Honda RC30 | Honda Canada |
| 24 | Rueben McMURTER | 35 | Honda RC30 | McMurter Racing/Honda Canada |
| 26 | Linnley CLARKE | 28 | Yamaha OW01 | FAST Yamaha/Sunoco |
| 28 |  René DELABY | 34 |  Honda RC30 | Team Wanty |
| 29 |  Luis Carlos MAUREL | 23 | Yamaha OW01 | Accion Yamaha |
| 30 |  Fabio BILIOTTI | 34 | Kawasaki ZXR750 | |
| 31 |  Andreas MEKLAU | 23 | Honda RC30 | Austrian Racing Company |
| 32 |  James ADAMO | 34 | Ducati 851 | Gio.Ca.Moto USA |
| 33 | Bobby FRANKLIN | ? | Suzuki GSX-R750 | |
| 35 | Christian GARDNER | ? | Yamaha OW01 | Gold Hill Racing |
| 36 | Ray YODER Jr. | ? | Suzuki GSX-R750 | |
| 37 | Mike BALDWIN | 36 | Bimota Tesi 1D | Bimota SpA |
| 38 | Tom ETHERINGTON | ? | Yamaha OW01 | |
| 41 | Phil KRESS | ? | Kawasaki ZXR750 | New York Motocycle Ltd. |
| 45 | Mike WALSH | ? | Yamaha OW01 | Walsh Racing |
| 48 | Daniel AMATRIAÍN | 23 | Honda RC30 | Team Dholda Honda |
| 51 |  Bruno BONHUIL | 31 | Yamaha OW01 | Motor Team Development |
| 57 | Don VANCE | ? | Suzuki GSX-R750 | |
| 63 | Benoît PILON | ? | Yamaha OW01 | |
| 64 | Adriano NARDUCCI | 34 | Ducati 851 | |
| 70 | Jack PATERSON | ? | [unknown] | |
| 72 | Pascal PICOTTE | 21 | Yamaha OW01 | FAST Yamaha/Sunoco/Arai |
| 73 | Steve CREVIER | 25 | Kawasaki ZXR750 | Weld Rite |
| 75 | Michael TAYLOR | 25 | Kawasaki ZXR750 | Canadian Kawasaki Motors |
| 76 | Tom KIPP | 22 | Yamaha OW01 | Wiseco Piston |
| 78 | Oldrich SCHMUTTERMEIER Jr. | ? | Suzuki GSX-R750 | |
| 88 | Clyde MacDONALD | ? | Suzuki GSX-R750 | |
| 98 | John HOPPERSTAD | ? | Yamaha OW01 | |
| 171 |  František MRÁZEK | 55 | Ducati 851 |
1991-05-31 to 1991-06-02
World Superbike Canadian Round
Mosport (Permanent circuit, 3.9570 km)
Event permit: IMN 02/4
Timekeepers: Canadian Timing Association
Entries: 29 / Practised: 19 / Qualified: 17
Sessions
Entry list
Struck out text denotes riders on entry list who did not participate.
Sources:
Official results/ Official entry list/ Official timetable/ Official programme/ 1991-xx-xx Screensport TV coverage/ American Motorcyclist 1991-04 pg53/ Cycle News 1991-04-24 pg3/ Cycle News 1991-05-01 pg4/ Cycle News 1991-05-08 pg4/ Cycle News 1991-05-22 pg2/ Cycle News 1991-06-12 pg2/ Cycle News 1991-06-19 pg16-17/ La Provincia 1991-06-06 pg10/ Moto Revue n2993 pg15/ Moto Revue n2995 pg14/ MOTOR SPORT aktuell 1991-06-05 pg25