1978 Dutch TT
Motorcycle race
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The 1978 Dutch TT was the sixth round of the 1978 Grand Prix motorcycle racing season. It took place on the weekend of 22–24 June 1978 at the Circuit van Drenthe Assen.

| Race details | ||||||||||||||||||||||||||||||||||
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| Race 6 of 13 races in the 1978 Grand Prix motorcycle racing season | ||||||||||||||||||||||||||||||||||
| Date | 24 June 1978 | |||||||||||||||||||||||||||||||||
| Official name | Dutch TT 1978[1][2][3] | |||||||||||||||||||||||||||||||||
| Location | Circuit van Drenthe Assen | |||||||||||||||||||||||||||||||||
| Course |
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| 500cc | ||||||||||||||||||||||||||||||||||
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| 350cc | ||||||||||||||||||||||||||||||||||
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| 250cc | ||||||||||||||||||||||||||||||||||
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| 125cc | ||||||||||||||||||||||||||||||||||
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| 50cc | ||||||||||||||||||||||||||||||||||
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| Sidecar (B2A) | ||||||||||||||||||||||||||||||||||
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Classification
500 cc
| Pos. | Rider | Team | Manufacturer | Time/Retired | Points | |||
|---|---|---|---|---|---|---|---|---|
| 1 | Yamaha Motor Company | Yamaha | 48'17.100 | 15 | ||||
| 2 | Yamaha Motor Company | Yamaha | +0.100 | 12 | ||||
| 3 | Texaco Heron Team Suzuki | Suzuki | +3.100 | 10 | ||||
| 4 | Sarome & Motul Team | Yamaha | +13.200 | 8 | ||||
| 5 | Riemersma Racing | Suzuki | +36.100 | 6 | ||||
| 6 | Suzuki | +43.400 | 5 | |||||
| 7 | Ray Hamblin Motorcycles | Suzuki | +43.600 | 4 | ||||
| 8 | Suzuki | +45.200 | 3 | |||||
| 9 | Team Gallina Nava Olio Fiat | Suzuki | +1 lap | 2 | ||||
| 10 | Suzuki | +1 lap | 1 | |||||
| 11 | Marlboro Nava Total | Suzuki | Retired | |||||
| 12 | Suzuki | +1 lap | ||||||
| 13 | Team Kiwi Yamoto | Suzuki | +1 lap | |||||
| 14 | Suzuki | +1 lap | ||||||
| 15 | Suzuki | +1 lap | ||||||
| 16 | Team Gallina Nava Olio Fiat | Suzuki | +1 lap | |||||
| 17 | Sid Griffiths Racing | Suzuki | +1 lap | |||||
| 18 | Suzuki | +1 lap | ||||||
| 19 | Suzuki | +1 lap | ||||||
| 20 | Bill Smith Racing | Yamaha | +1 lap | |||||
| 20 | Kazenmaier Autovermietung | Suzuki | +1 lap | |||||
| 21 | Bill Smith Racing | Suzuki | +1 lap | |||||
| 22 | Suzuki | +1 lap | ||||||
| Ret | Cagiva Corse | Suzuki | Retired | |||||
| Ret | Suzuki | Retired | ||||||
| Ret | RSS Racing Team | Suzuki | Retired | |||||
| Ret | RSS Racing Team | Yamaha | Retired | |||||
| Ret | Team Librenti | Suzuki | Accident | |||||
| Ret | Team Gallina Nava Olio Fiat | Suzuki | Tyre problems | |||||
| Ret | Team Appleby Glade | Suzuki | Retired | |||||
| DNS | Ted Broad | Suzuki | Did not start | |||||
| DNS | Suzuki | Did not start | ||||||
| DNQ | Buton | Buton | Did not qualify | |||||
| DNQ | Suzuki | Did not qualify | ||||||
| DNQ | Suzuki | Did not qualify | ||||||
| Sources:[4][5][6] | ||||||||
350cc
| Pos | No. | Rider | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Kawasaki | 16 | 54:32.9 | 3 | 15 | |
| 2 | 27 | Yamaha | 16 | +11.6 | 12 | ||
| 3 | 3 | Yamaha | 16 | +23.6 | 7 | 10 | |
| 4 | 12 | Yamaha | 16 | +29.3 | 8 | ||
| 5 | 7 | Yamaha | 16 | +49.2 | 6 | ||
| 6 | 2 | Yamaha | 16 | +56.4 | 5 | 5 | |
| 7 | 22 | Kawasaki | 16 | 2 | 4 | ||
| 8 | 6 | Kawasaki | 16 | 3 | |||
| 9 | 40 | Yamaha | 16 | 2 | |||
| 10 | 20 | Yamaha | 16 | 1 | 1 | ||
| 11 | 11 | Yamaha | 16 | 10 | |||
| 12 | 21 | Yamaha | 16 | ||||
| 13 | 36 | Yamaha | 16 | ||||
| 14 | 39 | Yamaha | 16 | ||||
| 15 | 14 | Yamaha | 15 | +1 lap | |||
| Yamaha | 4 | ||||||
| Yamaha | 6 | ||||||
| Yamaha | 8 | ||||||
| Yamaha | 9 | ||||||
| 30 starters in total, 16 finishers | |||||||
| [6] | |||||||
250cc
| Pos | No. | Rider | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 7 | Yamaha | 15 | 49:30.4 | 1 | 15 | |
| 2 | 6 | Kawasaki | 15 | +9.1 | 4 | 12 | |
| 3 | 4 | Kawasaki | 15 | +37.7 | 3 | 10 | |
| 4 | 2 | Yamaha | 15 | +42.8 | 8 | 8 | |
| 5 | 20 | Morbidelli | 15 | +1:12.7 | 6 | ||
| 6 | 12 | Yamaha | 15 | +1:22.1 | 5 | ||
| 7 | 11 | Yamaha | 15 | +1:33.9 | 4 | ||
| 8 | 9 | Yamaha | 15 | +1:34.2 | 2 | 3 | |
| 9 | 16 | Yamaha | 15 | 2 | |||
| 10 | 1 | Morbidelli | 15 | 1 | |||
| 11 | 17 | Yamaha | 15 | ||||
| 12 | 36 | Yamaha | 15 | 9 | |||
| 13 | 14 | Yamaha | 15 | ||||
| 14 | 27 | Kawasaki | 15 | 10 | |||
| 15 | 32 | Yamaha | 15 | ||||
| Kawasaki | 5 | ||||||
| Kawasaki | 6 | ||||||
| Yamaha | 7 | ||||||
| 30 starters in total, 20 finishers | |||||||
| [6] | |||||||
125cc
| Pos | No. | Rider | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 2 | MBA | 14 | 46:56.7 | 1 | 15 | |
| 2 | 10 | Morbidelli | 14 | +33.1 | 4 | 12 | |
| 3 | 6 | Morbidelli | 14 | +1:03.2 | 3 | 10 | |
| 4 | 40 | Morbidelli | 14 | +1:28.7 | 10 | 8 | |
| 5 | 4 | Morbidelli | 14 | +1:39.3 | 6 | ||
| 6 | 12 | Morbidelli | 14 | +1:41.7 | 5 | ||
| 7 | 19 | Morbidelli | 14 | +1:44.0 | 4 | ||
| 8 | 14 | Morbidelli | 14 | 7 | 3 | ||
| 9 | 34 | Condor | 14 | 2 | |||
| 10 | 39 | Morbidelli | 14 | 1 | |||
| 11 | 37 | Morbidelli | 14 | ||||
| 12 | 24 | Bender | 14 | ||||
| 13 | 33 | Morbidelli | 14 | ||||
| 14 | 23 | Morbidelli | 14 | ||||
| 15 | 35 | Morbidelli | 13 | +1 lap | |||
| Minarelli | 2 | ||||||
| Motobécane | 5 | ||||||
| Morbidelli | 6 | ||||||
| Bultaco | 8 | ||||||
| Morbidelli | 9 | ||||||
| 30 starters in total, 16 finishers | |||||||
| [6] | |||||||
50cc
| Pos | No. | Rider | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Kreidler | 9 | 32:34.2 | 1 | 15 | |
| 2 | 2 | Bultaco | 9 | +22.6 | 2 | 12 | |
| 3 | 3 | ABF | 9 | +1:23.4 | 3 | 10 | |
| 4 | 21 | Kreidler | 9 | +1:31.3 | 4 | 8 | |
| 5 | 16 | Kreidler | 9 | +1:55.7 | 7 | 6 | |
| 6 | 18 | Kreidler | 9 | +2:07.4 | 9 | 5 | |
| 7 | 33 | Kreidler | 9 | 4 | |||
| 8 | 13 | Kreidler | 9 | 3 | |||
| 9 | 10 | Kreidler | 9 | 2 | |||
| 10 | 20 | Kreidler | 9 | 1 | |||
| 11 | 34 | Kreidler | 9 | ||||
| 12 | 8 | Kreidler | 9 | ||||
| 13 | 22 | Kreidler | 9 | ||||
| 14 | 23 | Kreidler | 9 | ||||
| 15 | 15 | Bultaco | 9 | ||||
| Bultaco | 5 | ||||||
| Kreidler | 6 | ||||||
| Kreidler | 8 | ||||||
| Hemeyla | 10 | ||||||
| 30 starters in total, 18 finishers | |||||||
| [6] | |||||||
Sidecar classification
| Pos | No. | Rider | Passenger | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | Fath | 14 | 46:12.7 | 2 | 15 | ||
| 2 | 11 | Seymaz-Yamaha | 14 | +46.7 | 4 | 12 | ||
| 3 | 6 | Busch-Yamaha | 14 | +54.1 | 6 | 10 | ||
| 4 | 8 | LCR-Yamaha | 14 | 3 | 8 | |||
| 5 | 5 | Yamaha | 14 | 7 | 6 | |||
| 6 | 15 | GEP-Yamaha | 14 | 5 | 5 | |||
| 7 | 10 | Schmid-Yamaha | 14 | 4 | ||||
| 8 | 23 | Coan-Yamaha | 14 | 3 | ||||
| 9 | 9 | CAT-Yamaha | 14 | 2 | ||||
| 10 | 16 | Windle-Yamaha | 13 | +1 lap | 1 | |||
| Beo-Yamaha | 1 | |||||||
| Seymaz-Yamaha | 8 | |||||||
| König | 9 | |||||||
| 22 starters in total, 11 finishers | ||||||||
| [6] | ||||||||