CB750K 1969-1978 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750K0 | 1969-70 | 300 | CB750- 1000001 | CB750E- 1000001 |
| CB750K1 | 1970-71 | 300 | CB750- 1044650 | CB750E- 1044806 |
| CB750K2 | 1972 | 341 | CB750- 2000001 | CB750E- 2000001 |
| CB750K3 | 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 |
CB750F (Supersport) 1975-1978 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750F0 | 1975 | 392 | CB750F- 1000002 | CB750(*)- 2500004 |
| CB750F1 | 1976 | 392 | CB750F- 2000003 | CB750(*)- 2515094 |
| CB750F2 | 1977 | 410 | CB750F- 2100011 | CB750(*)- 2600004 |
| CB750F3 | 1978 | 410 | CB750F- 2200001 | CB750(*)- 3100001 |
CB750A (Hondamatic) 1976-1978 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750A | 1976 | 393 | CB750A- 7000001 | CB750(A) E7000001 |
| CB750A | 1977 | 393 | CB750A- 7100001 | CB750E- 7100001 |
| CB750A | 1978 | 393 | CB750A- 7200001 | CB750E- 7200001 |
CB750K/L 1979-1982 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750K | 1979 | - | RC01- 2000001 | RC01E- 2000001 |
| CB750K | 1980 | - | RC01-2100005 | RC01E- 2100005 |
| CB750K | 1981 | - | JH2RC010*BM200001 | RC01E- 2200020 |
| CB750K | 1982 | - | JH2RC010*CM300003 | RC01E- 2300003 |
| CB750L | 1979 | - | RC01-3000006 | RC01E- 3000001 |
CB750F (Supersport) 1979-1982 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750F | 1979 | - | RC04-2000023 | RC04E- 2000023 |
| CB750F | 1980 | - | RC04-2100003 | RC04E- 2100003 |
| CB750F | 1981 | - | JH2RC040*BM200004 | RC04E- 2200005 |
| CB750F | 1982 | - | JH2RC040*CM300003 | RC04E- 2300001 |
CB750C (Custom) 1980-1982 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750C | 1980 | - | RC01-2200004 | |
| CB750C | 1981 | - | JH2RC011*BM100001 | |
| CB750C | 1982 | - | JH2RC011*CM200003 |
CB700/750SC (Nighthawk) 1982-1986 Models
| Model | Year | Production Code | Frame # | Engine # |
|---|---|---|---|---|
| CB750SC | 1982 | - | JH2RC012*CM000019 | RC01E-2308884 |
| CB750SC | 1983 | - | JH2RC012*DM100001 | RC01E-2400041 |
| CB750SC | 1984 | - | JH2RC012*EM100001 | |
| CB700SC | 1984 | - | JH2RC200*EM000014 | |
| CB700SC | 1985 | - | JH2RC200*FM100001 | |
| CB700SC | 1986 | - | JH2RC200*GM200001 |
Keep in mind that the production date and model year may not match. Many times production starts in the fall for the next model year, for example, the 1973 K3 started production in September of 1972.
