| 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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| 500 cc | ||||||||||||||||||||||||||||||||||
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| 350 cc | ||||||||||||||||||||||||||||||||||
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| 250 cc | ||||||||||||||||||||||||||||||||||
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| 125 cc | ||||||||||||||||||||||||||||||||||
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| 50 cc | ||||||||||||||||||||||||||||||||||
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| Sidecar (B2A) | ||||||||||||||||||||||||||||||||||
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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.
| 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] | ||||||||
| 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] | |||||||
| 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] | |||||||
| 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] | |||||||
| 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] | |||||||
| 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] | ||||||||
The Dutch Tourist Trophy, also known as the TT Assen, and also sometimes known as the Dutch Motorcycle Grand Prix, is an annual Dutch motorsport event established in 1925 for road racing motorcycles held on the TT Circuit Assen, also known as the ‘Cathedral of Speed'. The event attained world championship status in 1949 when it was sanctioned by the FIM as part of the inaugural Grand Prix motorcycle racing world championship season, making it the oldest event on the MotoGP calendar. The venue holds the record for being the only circuit to have hosted a motorcycle Grand Prix event every year since the series was created in 1949, with the exception of 2020 when the race was cancelled due to the outbreak of COVID-19.
The 1988 Dutch TT was the eighth round of the 1988 Grand Prix motorcycle racing season. It took place on the weekend of 23–25 June 1988 at the TT Circuit Assen located in Assen, Netherlands.
The 1989 Dutch TT was the ninth round of the 1989 Grand Prix motorcycle racing season. It took place on the weekend of 22–24 June 1989 at the TT Circuit Assen located in Assen, Netherlands.
The 1990 Dutch TT was the eighth round of the 1990 Grand Prix motorcycle racing season. It took place on the weekend of 28–30 June 1989 at the TT Circuit Assen located in Assen, Netherlands. Kevin Schwantz won the race, with Wayne Rainey in close second and Eddie Lawson in third.
The 1993 Dutch TT was the seventh round of the 1993 Grand Prix motorcycle racing season. It took place on 26 June 1993 at the TT Circuit Assen located in Assen, Netherlands.
The 1994 Dutch TT was the seventh round of the 1994 Grand Prix motorcycle racing season. It took place on 25 June 1994 at the TT Circuit Assen located in Assen, Netherlands.
The 1995 Dutch TT was the seventh round of the 1995 Grand Prix motorcycle racing season. It took place on 24 June 1995 at the TT Circuit Assen located in Assen, Netherlands.
The 1996 Dutch TT was the seventh round of the 1996 Grand Prix motorcycle racing season. It took place on 29 June 1996 at the TT Circuit Assen located in Assen, Netherlands.
The 2001 Dutch TT was the seventh round of the 2001 Grand Prix motorcycle racing season. It took place on the weekend of 28–30 June 2001 at the TT Circuit Assen.
The 1977 Dutch TT was the eighth round of the 1977 Grand Prix motorcycle racing season. It took place on 25 June 1977 at the Circuit van Drenthe Assen. Wil Hartog became the first Dutchman to win a 500cc Grand Prix when he claimed the victory.
The 1987 Dutch TT was the seventh round of the 1987 Grand Prix motorcycle racing season. It took place on the weekend of 22–27 June 1987 at the TT Circuit Assen located in Assen, Netherlands.
The 1986 Dutch TT was the sixth round of the 1986 Grand Prix motorcycle racing season. It took place on the weekend of 26–28 June 1986 at the TT Circuit Assen located in Assen, Netherlands.
The 1985 Dutch TT was the seventh round of the 1985 Grand Prix motorcycle racing season. It took place on the weekend of 27–29 June 1985 at the TT Circuit Assen located in Assen, Netherlands.
The 1984 Dutch TT was the eighth round of the 1984 Grand Prix motorcycle racing season. It took place on the weekend of 29–30 June 1984 at the TT Circuit Assen located in Assen, Netherlands.
The 1983 Dutch TT was the eighth round of the 1983 Grand Prix motorcycle racing season. It took place on the weekend of 24–25 June 1983 at the TT Circuit Assen located in Assen, Netherlands.
The 1982 Dutch TT was the sixth round of the 1982 Grand Prix motorcycle racing season. It took place on the weekend of 25–26 June 1982 at the TT Circuit Assen located in Assen, Netherlands.
The 1981 Dutch TT was the eighth round of the 1981 Grand Prix motorcycle racing season. It took place on the weekend of 26–27 June 1981 at the TT Circuit Assen located in Assen, Netherlands.
The 1980 Dutch TT was the fifth round of the 1980 Grand Prix motorcycle racing season. It took place on the weekend of 27–28 June 1980 at the TT Circuit Assen located in Assen, Netherlands.
The 1979 Dutch TT was the seventh round of the 1979 Grand Prix motorcycle racing season. It took place on the weekend of 21–23 June 1979 at the TT Circuit Assen located in Assen, Netherlands.
The 1975 Dutch TT was the seventh round of the 1975 Grand Prix motorcycle racing season. It took place on the weekend of 26–28 June 1975 at the Circuit van Drenthe located in Assen, Netherlands.