I own a 1976 CB550 .Bought it 28 years ago . I June of this year I bought a 1975 CB750 with 7,819 miles . Have been working on it since . Needed TLC . Have drove it several times . Lot of power . The idle is not that great yet . My CB550 runs like a charm . You just have take care of them . I hope to add to this forum .