Topic: what year is this bike ?

[mcpuffett]

hi everybody, i have got my eye on this bike it is supposed to be a 1972 ,750 it has the frame number 1031114 and engine number cb750e2544770 any help identifying it would be appreciated    thanks mick.

[Gordon]

According to the model guide that's a 1970 frame with a 1976 engine in it. 

[mcpuffett]

hi gordon, i got the 1970/71 frame  but was'nt sure about engine? thanks mick  .

[Bobby]

Date Manufactured     Model    Production Code      Frame ID      Engine ID
.                   
June 1969 - 1970       CB750    300         CB750 1000001 -    CB750E 1000001 -
1970 - 1971            CB750K1     300          CB750 1044650 -     CB750E 1044806 -
1972             CB750K2     341             CB750 2000001 -        CB750E 2000001 -
1973             CB750K3       341             CB750 2200001 -        CB750E 2200001 -
1974             CB750K4       341             CB750 2300001 -        CB750E 2300001 -
1975             CB750K5       341             CB750 2500001 -        CB750E 2372115 -
1975             CB750F0     392              CB750F 10000002 -       CB750FE 2500004 -
1976             CB750K6       341             CB750 2540001 -        CB750E 2428762 -

[mcpuffett]

thanks bobby, so it could be a ko or a k1 frame with k6 engine?  if it is a 70' 71 ' frame that is good coz over here in uk it will qualify for historic vehicle = free road tax     mick.