1974 Isle of Man TT
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The 1974 Isle of Man TT motorcycle road races were held between 2-8 June 1973 on the 37-mile Snaefell Mountain Course. It was the fifth round of the 1974 FIM Motorcycle Grand Prix World Championship (now MotoGP).
1974 saw an increasing number of World Championship contenders join the reigning 500cc World Champion Giacomo Agostini in boycotting the Isle of Man TT event over safety concerns. The Formula 750 race was considered as the premier event, replacing the traditional Senior TT as the final race of the week.[1][2]
Tony Rutter began the week on 3 June by riding a Yamaha TZ 350 to win the Junior TT for the second consecutive year.[1][2][3] In the 1000cc Production Class TT held on 4 June, Mick Grant scored a popular victory riding the motorcycle nicknamed Slippery Sam. The victory marked the fourth of five consecutive Isle of Man TT victories for Slippery Sam.[4][5] BMW riders Hans-Otto Butenuth and Helmut Dähne unexpectedly finished in second and third place riding BMW R90S motorcycles that were better known for their long-distance touring capabilities than their racing credentials.[2][6]
On 5 June Charlie Williams rode a Yamaha TZ 250 to win the Lightweight TT for the second consecutive year, while in the 500cc Sidecar TT, Rolf Steinhausen set a new lap record lap, but then retired with a mechanical problem allowing Heinz Luthringshauser and Hermann Hahn to win the race.[1][2] Inclement weather on 6 June saw the Senior TT race distance reduced to 5 laps as Phil Carpenter took the win riding a Yamaha TZ 350. The final race of the week was the Formula 750 TT, Chas Mortimer won the race riding a Yamaha TZ 350 despite competing against motorcycles with 750cc engine capacities, as two-stroke engine technology began to render four-stroke engines obsolete.
1974 Isle of Man Junior TT 350cc final standings
Tuesday 3 June 1974 – 5 Laps (188.65 Miles) Mountain Course.
| Place | Rider | Machine | Speed | Time | Points |
|---|---|---|---|---|---|
| 1 |  Tony Rutter |
Yamaha TZ 350 | 104.44 mph | 1.48.22.2 | 15 |
| 2 | Mick Grant |
Yamaha TZ 350 | 102.8 mph | 1.50.06.2 | 12 |
| 3 | Paul Cott |
Yamaha TZ 350 | 101.25 mph | 1.51.47.0 | 10 |
| 4 | Tom Herron |
Yamaha TZ 350 | 101.221 mph | 1.51.50.0 | 8 |
| 5 | Billie Nelson |
Yamaha TZ 350 | 100.9 mph | 1.52.10.4 | 6 |
| 6 | Billy Guthrie |
Yamaha TZ 350 | 100.39 mph | 1.52.44.8 | 5 |
| 7 | Alan Rogers |
Yamaha TZ 350 | 99.83 mph | 1.53.22.8 | 4 |
| 8 | Roger Nichols |
Yamaha TZ 350 | 99.39 mph | 1.53.52.8 | 3 |
| 9 | Phil Gurner |
Yamaha TZ 350 | 99.38 mph | 1.53.53.0 | 2 |
| 10 | Noel Clegg |
Yamaha TZ 350 | 99.3 mph | 1.53.59.2 | 1 |
| Sources:[7] | |||||
1974 Isle of Man Lightweight TT 250cc final standings
Wednesday 5 June 1974 – 4 Laps (150.92 Miles) Mountain Course.
| Place | Rider | Machine | Speed | Time | Points |
|---|---|---|---|---|---|
| 1 | Charlie Williams |
Yamaha TZ 250 | 94.16 mph | 1.36.09.8 | 15 |
| 2 | Mick Grant |
Yamaha TZ 250 | 93.2 mph | 1.37.09.2 | 12 |
| 3 | Chas Mortimer |
Yamaha TZ 250 | 92.85 mph | 1.37.31.2 | 10 |
| 4 | Tom Herron |
Yamaha TZ 250 | 91.41 mph | 1.39.03.4 | 8 |
| 5 | Tony Rutter |
Yamaha TZ 250 | 91.41 mph | 1.39.01.2 | 6 |
| 6 | Peter McKinley |
Yamaha TZ 250 | 90.84 mph | 1.39.40.4 | 5 |
| 7 | Ian Richards |
Yamaha TZ 250 | 90.44 mph | 1.40.06.8 | 4 |
| 8 | Gerry Mateer |
Yamaha TZ 250 | 89.59 mph | 1.41.03.8 | 3 |
| 9 | Brian Warburton |
Yamaha TZ 250 | 89.48 mph | 1.41.11.8 | 2 |
| 10 | Barry Randle |
Yamaha TZ 250 | 89.4 mph | 1.41.17.0 | 1 |
| Sources:[8] | |||||
1974 Isle of Man Sidecar 500cc TT final standings
Wednesday 5 June 1974 – 3 Laps (113.00 Miles) Mountain Course.
| Place | Rider | Machine | Speed | Time | Points |
|---|---|---|---|---|---|
| 1 |  Heinz Luthringshauser/Hermann Hahn |
BMW | 92.27 mph | 1.13.36.2 | 15 |
| 2 | George O'Dell/Bill Boldison |
König | 86.21 mph | 1.18.46.4 | 12 |
| 3 | Dick Hawes/Eddie Kiff |
Weslake | 85.33 mph | 1.22.30.8 | 10 |
| 4 | Mac Hobson/John Armstrong |
Yamaha | 82.3 mph | 1.22.35.0 | 8 |
| 5 | Trevor Ireson/Geoff Hunt |
König | 82.2 mph | 1.22.37.2 | 6 |
| 6 | Bill Crook/Stuart Collins |
BSA | 81.81 mph | 1.23.00.6 | 5 |
| 7 | Malcolm Aldrick/Michael Skeels |
Honda | 81.27 mph | 1.23.33.6 | 4 |
| 8 | Ron Perry/Adrian Craig |
BSA | 80.62 mph | 1.24.14.2 | 3 |
| 9 | Siegfried Schauzu/Wolfgang Kalauch |
BMW | 78.05 mph | 1.27.00.6 | 2 |
| 10 | Roger Aldous/Peter Lucock |
Triumph | 77.68 mph | 1.27.25.4 | 1 |
| Sources:[9] | |||||
1974 Isle of Man Senior TT 500cc final standings
Thursday 6 June 1974 – 5 Laps (188.65 Miles) Mountain Course.
| Place | Rider | Machine | Speed | Time | Points |
|---|---|---|---|---|---|
| 1 | Phil Carpenter |
Yamaha TZ 350 | 96.99 mph | 1.56.41.6 | 15 |
| 2 | Charlie Williams |
Yamaha TZ 350 | 96.31 mph | 1.57.31.6 | 12 |
| 3 | Tony Rutter |
Yamaha TZ 350 | 94.35 mph | 1.59.57.4 | 10 |
| 4 | Billy Guthrie |
Yamaha TZ 350 | 92.76 mph | 2.02.01.0 | 8 |
| 5 | Paul Cott |
Yamaha TZ 350 | 92.26 mph | 2.02.40.8 | 6 |
| 6 | Helmut Kassner |
Yamaha TZ 350 | 90.27 mph | 2.05.23.0 | 5 |
| 7 | Billie Nelson |
Yamaha TZ 350 | 90.19 mph | 2.05.30.0 | 4 |
| 8 | Peter McKinley |
Yamaha TZ 350 | 89.99 mph | 2.05.46.8 | 3 |
| 9 | Selwyn Griffiths |
Matchless G50 | 89.31 mph | 2.06.43.6 | 3 |
| 10 | Geoff Barry |
Matchless G50 | 89.31 mph | 2.06.43.8 | 1 |
| Sources:[10] | |||||
1974 Isle of Man Ultra-Lightweight TT 125cc final standings
Thursday 6 June 1974 – 3 Laps (113.19 Miles) Mountain Course.
| Place | Rider | Machine | Speed | Time | Points |
|---|---|---|---|---|---|
| 1 | Clive Horton |
Yamaha TA125 | 88.44 mph | 1.16.47.0 | 15 |
| 2 | Ivan Hodgkinson |
Yamaha TA125 | 87.68 mph | 1.17.27.0 | 12 |
| 3 | Tom Herron |
Yamaha TA125 | 86.91 mph | 1.18.08.6 | 10 |
| 4 | Ken Daniels |
Yamaha TA125 | 85.67 mph | 1.19.16.0 | 8 |
| 5 | Fred Launchbury |
Maico RS-125 | 85.5 mph | 1.19.25.8 | 6 |
| 6 |  Jan Kostwinder |
Yamaha TA125 | 85.1 mph | 1.19.48.0 | 5 |
| 7 | Bill Kirkwood |
Maico RS-125 | 83.32 mph | 1.21.30.4 | 4 |
| 8 | Anthony Jones |
BSA | 83.24 mph | 1.21.35.2 | 3 |
| 9 | Rod Gooch |
Yamaha TA125 | 82.22 mph | 1.22.35.8 | 2 |
| 10 | Barrie Dickinson |
Yamaha TA125 | 82.03 mph | 1.22.47.0 | 1 |
| Sources:[11] | |||||