.svg)
The2004Isle of Man TT was the 97th edition of the event.John McGuinness won three TT races, more than anyone that year.Dave Molyneux and Daniel Sayle took the two sidecar races, whileAdrian Archibald won the marqueeSenior TT.[1]
The event marked the last TT race for 125cc bikes on theMountain Course.[2]
Three competitors died during the event: 125cc rider Serge Le Moal and sidecar passenger Paul Cowley during practice,[3][4] and Colin Breeze during the Formula One TT race.[5]
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 3 |  John McGuinness | Yamaha | 1 12 13.2 | 125.38 |
| 2 | 1 |  Adrian Archibald | Suzuki | 1 12 31.8 | 124.84 |
| 3 | 5 |  Bruce Anstey | Suzuki | 1 12 58.0 | 124.10 |
| 4 | 4 |  Jason Griffiths | Yamaha | 1 13 20.3 | 123.47 |
| 5 | 2 | Ian Lougher | Honda | 1 13 27.7 | 123.26 |
| 6 | 8 | Richard Britton | Suzuki | 1 13 53.1 | 122.55 |
| Rank | Number | Rider | Passenger | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|---|
| 1 | 1 |  Dave Molyneux | Daniel Sayle | DRM Honda | 1 01 00.0 | 111.33 |
| 2 | 3 | Nick Crowe | Darren Hope | DRM Honda | 1 01 59.0 | 109.56 |
| 3 | 5 | Steve Norbury | Scott Parnell | Shelbourne Yamaha | 1 02 51.8 | 108.03 |
| 4 | 4 | Roy Hanks | Dave Wells | DMR Yamaha | 1 03 02.5 | 107.72 |
| 5 | 15 | Greg Lambert | Ivan Murray | DMR Honda | 1 03 23.4 | 107.13 |
| 6 | 8 | Philip Dongworth | Stuart Castles | Ireson Kawasaki | 1 03 44.8 | 106.53 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 41 | John McGuinness | Honda | 1 22 06.4 | 110.28 |
| 2 | 47 | Steve Linsdell | Yamaha | 1 22 39.6 | 109.54 |
| 3 | 49 | Mark Parrett | Honda | 1 22 42.4 | 109.48 |
| 4 | 67 | Roy Richardson | Honda | 1 23 02.0 | 109.05 |
| 5 | 45 | Johnny Barton | Yamaha | 1 23 44.8 | 108.12 |
| 6 | 48 | Derran Slous | Yamaha | 1 24 04.7 | 107.69 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 1 | Chris Palmer | Honda | 1 23 07.6 | 108.93 |
| 2 | 4 | Robert Dunlop | Honda | 1 24 05.5 | 107.68 |
| 3 | 7 | Nigel Beattie | Honda | 1 25 56.4 | 105.36 |
| 4 | 6 | Garry Bennett | Honda | 1 26 05.1 | 105.18 |
| 5 | 16 | Matt Jackson | Honda | 1 26 20.6 | 104.87 |
| 6 | 10 | Mark Tyrrell | Honda | 1 26 47.2 | 104.33 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 5 | Bruce Anstey | Suzuki | 54 53.5 | 123.72 |
| 2 | 3 | John McGuinness | Yamaha | 55 11.5 | 123.05 |
| 3 | 4 | Jason Griffiths | Yamaha | 55 17.3 | 122.83 |
| 4 | 2 | Ian Lougher | Honda | 55 22.7 | 122.63 |
| 5 | 1 | Adrian Archibald | Suzuki | 55 49.5 | 121.65 |
| 6 | 8 | Richard Britton | Suzuki | 56 24.5 | 120.39 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 3 | John McGuinness | Yamaha | 1 15 06.0 | 120.57 |
| 2 | 5 | Bruce Anstey | Suzuki | 1 15 23.0 | 120.12 |
| 3 | 4 | Jason Griffiths | Yamaha | 1 15 45.6 | 119.52 |
| 4 | 8 | Richard Britton | Honda | 1 16 10.8 | 118.86 |
| 5 | 10 | Mark Parrett | Yamaha | 1 16 27.3 | 118.43 |
| 6 | 12 |  Martin Finnegan | Yamaha | 1 16 53.9 | 117.75 |
| Rank | Number | Rider | Passenger | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|---|
| 1 | 1 | Dave Molyneux | Daniel Sayle | DRM Honda | 1 01 04.2 | 111.20 |
| 2 | 3 | Nick Crowe | Darren Hope | DRM Honda | 1 01 41.6 | 110.08 |
| 3 | 5 | Steve Norbury | Scott Parnell | Shelbourne Yamaha | 1 02 22.3 | 108.88 |
| 4 | 4 | Roy Hanks | Dave Wells | DRM Honda | 1 02 32.7 | 108.58 |
| 5 | 6 | Gary Bryan | Steven Hedison | Baker Yamaha | 1 03 04.9 | 107.66 |
| 6 | 15 | Greg Lambert | Ivan Murray | DRM Honda | 1 03 11.0 | 107.48 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 6 | Ryan Farquhar | Kawasaki | 57 46.6 | 117.54 |
| 2 | 5 | Bruce Anstey | Suzuki | 57 48.9 | 117.46 |
| 3 | 3 | John McGuinness | Yamaha | 57 57.9 | 117.16 |
| 4 | 4 | Jason Griffiths | Yamaha | 58 07.9 | 116.82 |
| 5 | 2 | Ian Lougher | Honda | 58 21.1 | 116.38 |
| 6 | 7 | Raymond Porter | Suzuki | 58 44.0 | 115.63 |
| Rank | Number | Rider | Machine | Time | Speed (mph) |
|---|---|---|---|---|---|
| 1 | 1 | Adrian Archibald | Suzuki | 1 13 08.1 | 123.81 |
| 2 | 5 | Bruce Anstey | Suzuki | 1 13 38.3 | 122.96 |
| 3 | 14 | Gary Carswell | Suzuki | 1 15 03.3 | 120.64 |
| 4 | 10 | Mark Parrett | Yamaha | 1 15 09.9 | 120.47 |
| 5 | 12 | Martin Finnegan | Yamaha | 1 15 10.7 | 120.44 |
| 6 | 9 | Chris Heath | Honda | 1 15 22.1 | 120.14 |