US Grand Prix 1979 500cc from Carlsbad, Ca
32:47
Marty Moates beats the world GP riders on an off the shelf modified 1980 model YZ465cc ( LOP 493cc )
17:20
Silverstone 1979 500cc Race
18:03
1979 Daytona Supercross
9:48
Graham Noyce:Maico Years
50:18
1982 NATIONS MOTOCROSS - MAGOO, BAILEY & O'MARA
14:57
1975 Livermore Trans-AMA Motocross - Moto 2
54:03
1982 Ettelbruck 500cc MXGP
23:50