Walt Hackensmith Design

          1961 Lito  Sten Lundin

          1968 CZ380  Tilkens Monoshock   Sylvain Geboers

          1971 Yamaha YZ125   Tommy Jansson

          1971 Yamaha YZ250  piston port   Torsten Hallman

         1971 Yamaha YZ250  reed valve   Torsten Hallman

          1972 Yamaha YZ250   Torsten Hallman

          1972 Yamaha YZ360   Jaak Van Velthoven   Torsten Hallman

          1972 Yamaha YZ360   Christer Hammargren

          1972 Yamaha YZ500   Jaak Van Velthoven

          1972 Suzuki RH72  250   Joel Robert

          1973 Yamaha YZ250 Monoshock   Hakan Andersson

          1973 Yamaha YZ360   Torsten Hallman

          1973 Suzuki RN73  370   Roger DeCoster

          1974 Yamaha OW11  125

          1974 Yamaha OW12   Pierre Karsmakers   Bob Hannah

          1974 Yamaha OW13   Tom Kratzer  

          1974 Yamaha OW13  Profab

          1975 Yamaha OW25  250

          1976 Yamaha OW27  125   Bob Hannah

          1976 Honda RC500-A1E   Pierre Karsmakers

          1976 Puch Twin-carb  250   Joel Robert

          1976 Puch 400   Joel Robert

          1977 Honda RC500-A1E   Jim Pomeroy

          1978 Yamaha OW38  250   Bob Hannah

          1979 Honda RC250-A1D   Marty Tripes

          1979 Yamaha OW40  250   Bob Hannah

          1980 Yamaha OW41  465   Rick Burgett

          1980 Suzuki RH80  250   Kent Howerton

          1980 Mugen ME125-W1   Terry Good

          1981 Honda RC250-A1D  250   Johnny O'Mara

          1982 Honda RC125-A1C  125

          1985 Honda RC500   Andre Malherbe

          1986 Honda RC250  250   Ricky Johnson

          1987 Honda RC250  250   Eric Geboers

          1989 Honda RC500  Eric Geboers

                                                                                            2nd page listed soon