Just looking at a June 1970 MCM mag with the test of the 750K0
No adverts in there for new Honda bikes but Honda dealers in there were Rex Judd, Chisholms, Fordhams and Read Titan were saying they could supply new Hondas. The reviewed bike was a candy ruby red K0 reg ,YLY70H. I was also looking at the Feb71 MCM which has Dick Emery on his Blue/Green K0 on the cover and inside, reg BYU762H. Honda dealers in this edition were Palins motors. Rex Judd, Ken Ives and Chisholms
The Nov 74 edition has the road test of the K2 and compares it with the K0. The bike was VPK108M. honda Delers in that were Ken Travers, Harry Wood, Chishoms,Rex Judd, Ken Ives, Victor Devine, Bill head, Millers, Tippetts, PFK Ling,Sid Moram, Harry Gill, Hummingbird motorcyles, Henstocks, Vale Onslow, Fowlers of bristol, Cusworths, Denis McHarris, Fordhams, Ryes of Fulham
Prices from Rye's in this mag Cb500/4