| Model | Sell Date | Release Date | Prod. Code | Frame # | Engine # |
|---|---|---|---|---|---|
| CB750K0 | 1969-70 | 6/6/1969 | 300 | CB750- 1000001 | CB750E- 1000001 |
| CB750K1 | 1970-71 | 9/21/1970 | 300 | CB750- 1044650 | CB750E- 1044806 |
| CB750K2 | 1972 | 3/1/1972 | 341 | CB750- 2000001 | CB750E- 2000001 |
| CB750K3 | 1973 | 2/1/1973 | 341 | CB750- 2200001 | CB750E- 2200001 |
| CB750K4 | 1974 | - | 341 | CB750- 2300001 | CB750E- 2300001 |
| CB750K5 | 1975 | - | 341 | CB750- 2500001 | CB750E- 2372115 |
| CB750K6 | 1976 | - | 341 | CB750- 2540001 | CB750E- 2428762 |
| CB750K7 | 1977 | - | 405 | CB750- 2700009 | CB750E- 2700001 |
| CB750K8 | 1978 | - | 405 | CB750- 2800001 | CB750E- 3000001 |
