The 1998 Isle of Man TT was the 92nd edition of the event. Due to the high amount of rainy days, the Sidecar Race A was cancelled. It was only the second time a race was cancelled in the history of the event. The TT Formula One was also postponed by a day.[1]

Isle of Man TT Mountain Course

Ian Simpson was the only rider to win muptiple races, taking the opening and closing races, the Formula One TT and the Senior TT. It was Simpson's last participation at the TT as leg injuries prevented him from competing in 1999, before forcing him into early retirement in early 2001.[2]

Three competitors died during the event, Mike Casey, Ian Hardisty and John Henderson.[3][4][5] A fourth rider, 66-year old Jack Trustham, died of a heart attack during a parade lap commemorating Honda's achievements on the island.[6]

Results

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Formula One TT

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Rank Rider Machine Time Speed (mph)
1   Ian Simpson Honda 1.16.15.6 118.74
2   Michael Rutter Honda 1.16.17.8 118.68
3   James Courtney Honda 1.16.36.5 118.2
4   Simon Beck Kawasaki 1.16.51.3 117.82
5   Jason Griffiths Honda 1.17.43.5 116.5
6   Dave Morris Chrysalis AMDM 1.20.14.1 112.85

Lightweight TT

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Rank Rider Machine Time Speed (mph)
1   Joey Dunlop Honda 46.51.8 96.61
2   Bob Jackson Yamaha 47.34.7 95.16
3   John McGuinness Yamaha 47.48.6 94.69
4   James Courtney Honda 48.08.0 94.06
5   Jason Griffiths Honda 48.32.4 93.27
6   Gavin Lee Yamaha 48.40.6 93.01

Sidecar Race B

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Rank Rider Passenger Machine Time Speed (mph)
1   Dave Molyneux Doug Jewell Bullock DMR Honda 1.03.45.1 106.52
2   Kenny Howles Nick Crowe Ireson Yamaha 1.05.04.4 104.36
3   Gary Horspole Kevin Leigh Shellbourne Honda 1.05.12.3 104.15
4   Roy Hanks Phillip Biggs Rose/Molyneux Yamaha 1.05.13.8 104.11
5   John Holden Ian Watson DMR Yamaha 1.05.15.7 104.06
6   Mick Boddice Jnr Ian Simons Windle Honda 1.06.24.1 102.27

Ultra Lightweight TT

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Rank Rider Machine Time Speed (mph)
1   Robert Dunlop Honda 1.03.50.3 106.38
2   Ian Lougher Honda 1.04.08.2 105.88
3   Owen McNally Honda 1.04.30.1 105.29
4 Gary Long Honda 1.04.38.0 105.07
5   Gary Dynes Honda 1.05.08.6 104.25
6 Garry Bennett Honda 1.05.18.6 103.98

Singles TT

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Rank Rider Machine Time Speed (mph)
1   Dave Morris Chrysalis BMW 1.03.11.2 107.48
2   Jim Moodie Sanyo Honda 1.03.30.4 106.93
3 Mick Jeffreys Spondon Rotax 1.08.09.2 99.64
4   Robert A Price Kawasaki 1.08.22.8 99.31
5 Terry McGinty Harris Suzuki 1.10.43.5 96.02
6 Keith Dixon Seeley G50 Special 1.10.56.0 95.74

Junior TT

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Rank Rider Machine Time Speed (mph)
1   Michael Rutter Honda 59.22.7 114.37
2   Ian Simpson Honda 59.29.4 114.16
3 Paul Dedman Honda 1.00.07.3 112.96
4   Bob Jackson Honda 1.00.08.2 112.93
5 Chris Heath Honda 1.00.24.5 112.43
6   Jim Moodie Honda 1.00.26.8 112.35

Production TT

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Rank Rider Machine Time Speed (mph)
1   Jim Moodie Honda 56.58.7 119.15
2   Nigel Davies Kawasaki 57.27.7 118.19
3   Michael Rutter Honda 57.29.0 118.14
4   David Jefferies Yamaha 57.45.5 117.58
5   Bob Jackson Yamaha 58.14.5 116.6
6   Paul Hunt Yamaha 58.17.5 116.5

Senior TT

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Rank Rider Machine Time Speed (mph)
1   Ian Simpson Honda 1.53.23.1 119.79
2   Bob Jackson Kawasaki 1.53.26.8 119.72
3   James Courtney Honda 1.53.57.3 119.19
4   David Jefferies Yamaha 1.55.09.0 117.95
5   Jason Griffiths Honda 1.55.35.2 117.51
6   Nigel Davies Yamaha 1.56.14.2 116.85

Notes

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  1. ^ "TT 1998".
  2. ^ "TT Website Interviews - Ian Simpson". www.ttwebsite.com. Retrieved 2023-12-22.
  3. ^ "Motorsport Memorial -". www.motorsportmemorial.org. Retrieved 2023-12-22.
  4. ^ "Motorsport Memorial -". www.motorsportmemorial.org. Retrieved 2023-12-22.
  5. ^ "Motorsport Memorial -". www.motorsportmemorial.org. Retrieved 2023-12-22.
  6. ^ "Motorsport Memorial -". www.motorsportmemorial.org. Retrieved 2023-12-22.