1990 Ultra Lightweight TT
Course name: Mountain (post 1914)
Course length: 113.19 miles (3 laps)
Competitors
| Position | Competitor(s) | Time | Speed | Machine |
|---|---|---|---|---|
| 1 | Dunlop, Robert | 1:05:40.20 | 103.41 | Honda |
| 2 | Newton, Ian | 1:05:59.20 | 102.92 | Honda |
| 3 | Topping, Michael | 1:07:30.20 | 100.5 | Honda |
| 4 | Caughey, Alan | 1:09:18.00 | 98 | Honda |
| 5 | Jackson, Alan Bud | 1:09:54.20 | 97.15 | Honda |
| 6 | McCauley, Aubrey | 1:10:09.80 | 96.79 | Honda |
| 7 | Duffy, Frank | 1:10:10.60 | 96.77 | Honda |
| 8 | Barton, John | 1:10:50.20 | 95.87 | Rotax |
| 9 | Mortimer, Richard | 1:11:16.40 | 95.28 | Honda |
| 10 | Chatterton, Mick | 1:11:43.80 | 94.68 | Honda |
| 11 | Lennon, Reg | 1:11:59.20 | 94.34 | Honda |
| 12 | Nobbs, David | 1:12:04.80 | 94.22 | Honda |
| 13 | Palmer, Chris | 1:12:10.80 | 94.08 | Honda |
| 14 | Stevenson, Gary | 1:12:28.00 | 93.71 | Honda |
| 15 | Cain, Mike | 1:12:32.40 | 93.62 | Honda |
| 16 | Smith, David | 1:12:46.40 | 93.32 | Honda |
| 17 | Morscher, Gerhard | 1:13:08.60 | 92.85 | Honda |
| 18 | Ritchie, Trevor | 1:13:17.40 | 92.66 | Honda |
| 19 | Hanna, Clifford | 1:13:38.20 | 92.22 | Honda |
| 20 | Wakefield, Peter | 1:13:41.20 | 92.16 | Honda |
| 21 | Moffitt, Dave | 1:13:45.60 | 92.07 | Honda |
| 22 | Shields, Dave | 1:14:06.60 | 91.63 | Honda |
| 23 | Kirk, Ivan | 1:14:37.20 | 91.01 | Honda |
| 24 | Trollope, Dennis | 1:14:45.20 | 90.85 | Honda |
| 25 | Gabbott, Steve | 1:15:26.80 | 90.01 | Honda |
| 26 | McCullough, John | 1:15:51.80 | 89.52 | Honda |
| 27 | Rogers, Jimmy | 1:16:42.20 | 88.54 | Honda |
| 28 | Curtin, Mark | 1:16:44.40 | 88.49 | Honda |
| 29 | Keys, Trevor | 1:16:46.40 | 88.46 | Honda |
| 30 | Jamison, Norman | 1:17:47.80 | 87.29 | Honda |
| 31 | Crowe, Cathal | 1:18:18.80 | 86.72 | Honda |
| 32 | Richardson, Melvin | 1:18:28.20 | 86.54 | Honda |
| 33 | Bradford, Bertie | 1:19:53.60 | 85 | Honda |
| R | Barton, Chris | Honda | ||
| R | McMullan, Geoff | MBA | ||
| R | Hanna, Ray | MBA | ||
| R | Lougher, Ian | Honda | ||
| R | Murray, Steve | Honda | ||
| R | Robertson, William | Honda | ||
| R | Dunlop, Joey | Honda |