no, the plate is the date of manufacture, not necessarily the model year. Unless the plate says model year, then the engine and frame number designate the model, K0, K1, etc. Honda did not start model year until 1974 . Prior to that there was a " sell date" and a " release date". And they were all over the board as to sell, release dates..
My 1975 550F frame tag says 12/74...no model year. The 75 550F however was not available until may of 1975..
Someone on here just posted his frame tag for his 1976 F model and the frame tag says 1976 model on it..
so, therefore why all the confusion sometimes as to what " model" year you have or title and registration dates....
look at this 350..