John Williams - Results at Assen

Year Grand Prix No. Team Maufacturer Grid Position Pts
1975 Dutch TT Yamaha 7 4
1976 Dutch TT 30 Texaco Heron Team Suzuki Suzuki 6 5
1977 Dutch TT 9 Team Appleby Glade Suzuki Ret 0
1978 Dutch TT Team Appleby Glade Ret 0
Avg. 0 6.5 4.5