Production Figures Summary
| Year | 1500 | Twin Cam | 1600 | 1600 MkII | Total |
| 1955 | 1003 | – | – | – | 1003 |
| 1956 | 13410 | – | – | – | 13410 |
| 1957 | 20571 | – | – | – | 20571 |
| 1958 | 16122 | 541 | – | – | 16663 |
| 1959 | 7644 | 1519 | 14156 | – | 23319 |
| 1960 | – | 51 | 16930 | – | 16981 |
| 1961 | – | – | 415 | 5670 | 6085 |
| 1962 | – | – | – | 3049 | 3049 |
| Total | 58750 | 2111 | 31501 | 8719 | 101081 |