| Model |
Model Name |
Years |
|
Bultaco Cazarecords 175cc Prototype |
1960 |
| M4 |
Bultaco Sherpa 200 Prototype |
1963 |
| M4 |
Bultaco Sherpa 175cc Prototype |
1964 |
|
Bultaco Formula IV 250cc prototype |
1968 |
|
Bultaco 24hr Montjuic 360cc Prototype |
1969 |
|
Bultaco Optaco 360 Prototype |
1970 |
|
Bultaco Speedway 250 Prototype |
1972 |
| M104 |
Bultaco Pursang Mk5 400cc Prototype |
1972 |
| M92 |
Bultaco Sherpa T 350 Himalaya |
1973 |
| M96 |
Bultaco Matador Mk 6 SD Biflecha Prototype |
1973 |
| M141 |
Bultaco Montjuic 360cc Prototype |
1975 |
| M192 |
Bultaco Pursang Mk 10 250cc Prototype |
1976 |
| M181 |
Bultaco Frontera Mk10 250cc Prototype |
1976 |
|
Bultaco Pursang Mk11 Junior 50 Prototype |
1978 |
| M215 |
Bultaco Frontera Mk11 370 Prototype |
1978 |
| M199A |
Bultaco Sherpa T 350 Prototype |
1979 |
