1991 Formula 1 TT
Course name: Mountain (post 1914)
Course length: 226.38 miles (6 laps)
Competitors
| Position | Competitor(s) | Time | Speed | Machine |
|---|---|---|---|---|
| 1 | Hislop, Steve | 1:52:15.00 | 121 | Honda |
| 2 | Fogarty, Carl | 1:53:31.00 | 119.65 | Honda |
| 3 | Morrison, Brian | 1:55:26.40 | 117.66 | Yamaha |
| 4 | McCallen, Phillip | 1:55:38.00 | 117.46 | Honda |
| 5 | Ward, Steve | 1:57:21.60 | 115.73 | Honda |
| 6 | Jackson, Bob | 1:58:25.60 | 114.69 | Honda |
| 7 | Jefferies, Nick | 1:58:32.60 | 114.58 | Honda |
| 8 | Linsdell, Steve | 1:59:02.60 | 114.09 | Yamaha |
| 9 | Williams, Glenn | 2:00:27.80 | 112.75 | Kawasaki |
| 10 | Duffus, Iain | 2:00:36.60 | 112.61 | Honda |
| 11 | McDonald, Allan | 2:00:53.20 | 112.35 | Honda |
| 12 | Rea, Johnny | 2:01:19.40 | 111.95 | Honda |
| 13 | Morris, Ian | 2:01:52.20 | 111.45 | Honda |
| 14 | Jeffreys, Roy | 2:02:46.60 | 110.53 | Yamaha |
| 15 | Morris, Dave | 2:04:23.60 | 109.19 | Honda |
| 16 | Lee, Gavin | 2:04:40.80 | 108.94 | Suzuki |
| 17 | Faulkner, Chris | 2:06:44.20 | 107.17 | Ducati |
| 18 | Cranston, Paul | 2:06:45.40 | 107.15 | Honda |
| 19 | Harris, Shaun | 2:06:49.40 | 107.1 | Suzuki |
| 20 | Bowie, David | 2:07:15.00 | 106.74 | Honda |
| 21 | Granie, Marc | 2:07:43.60 | 106.34 | Yamaha |
| 22 | Buckley, Keith | 2:07:54.40 | 106.19 | Yamaha |
| 23 | Lemberg, Karl Heinz | 2:08:14.40 | 105.91 | Suzuki |
| 24 | Raybould, Stuart | 2:08:56.60 | 105.33 | Honda |
| 25 | Rechberger, Toni | 2:09:16.20 | 105.07 | Yamaha |
| 26 | Bolliger, Hanspeter | 2:09:30.40 | 104.88 | Kawasaki |
| 27 | Raybould, John | 2:10:12.80 | 104.31 | Ducati |
| 28 | Hunter, Jim | 2:10:13.80 | 104.29 | Kawasaki |
| 29 | Noon, Stuart | 2:10:31.00 | 104.06 | Suzuki |
| 30 | Berwick, Sandy | 2:10:41.60 | 103.92 | Suzuki |
| 31 | Caffrey, John | 2:13:44.40 | 101.56 | Yamaha |
| 32 | Woolams, Dave | 2:16:49.20 | 99.27 | Ducati |
| 33 | Godart, Etienne | 2:16:57.20 | 99.17 | Ducati |
| R | Grein, Martin | Bimota | ||
| R | Rutter, Tony | Ducati | ||
| R | van Daele, Leon | Ducati | ||
| R | Barton, Nigel | Honda | ||
| R | Castle, David | Honda | ||
| R | Gable, Colin | Honda | ||
| R | Hazlett, Steve | Honda | ||
| R | Madsen-Mygdal, Dave | Honda | ||
| R | Radcliffe, Gary | Honda | ||
| R | Goodley, David | Kawasaki | ||
| R | Dunlop, Robert | Norton | ||
| R | Nation, Trevor | Norton | ||
| R | Anderson, Roy | Yamaha | ||
| R | Cull, Steve | Yamaha | ||
| R | Farmer, Mark | Yamaha | ||
| R | Haynes, Rob | Yamaha | ||
| R | Johnson, Steve | Yamaha | ||
| R | Leach, Dave | Yamaha | ||
| R | Harrison, Kenny | Honda | ||
| R | Reid, Brian | Yamaha | ||
| R | Sutcliffe, Ralph | Kawasaki | ||
| R | Hunt, Paul | Yamaha | ||
| R | Dunlop, Joey | Honda |