yes i bought the a7 from read bros, leytonstone , they borrowed it back to show it at earls court show . i then fully converted it and went track racing with it { with lots of help from kawasaki race dept in japan, } . i raced it at most of uk tracks , it was very quick and would blow british 650s and 750s into the weeds. great bike , 48yrs later i am trying to track it down . i still have the logbook and reg?plate as of course it was sold as a race bike. i part exchanged it for a 350 aermacchi gp bike in 1970 from monty and ward in edebbridge bin kent uk . if theres anyone out there that knows the whereabouts of it i can give engine and frame nos for it . i would be delighfor any info , please e-mail me please .{ it was painted metalflake blue, with a churchgate mouldings tank and seat unit and suzuki tr250 fairing ) apologies for a stupid old man rabbiting on { by the way , with all the kawasaki japan race dept tuning data , it brought the bike up a7r daytona bikes specification. bye for now . reguards, pat watts.