|
1981 World Motorcycle Championship
|
Wil Hartog
|
2
|
Riemersma Racing
|
U
|
|
|
|
1980 World Motorcycle Championship
|
Wil Hartog
|
7
|
Riemersma Racing
|
U
|
|
|
|
1979 World Motorcycle Championship
|
Wil Hartog
|
11
|
Riemersma Racing
|
U
|
|
|
|
1978 World Motorcycle Championship
|
Wil Hartog
|
10
|
Riemersma Racing
|
U
|
|
|
|
1977 World Motorcycle Championship
|
Wil Hartog
|
8
|
Riemersma Racing
|
U
|
|
|
|
1976 World Motorcycle Championship
|
Wil Hartog
|
3
|
Riemersma Racing
|
U
|
|
|
