Came accross these a while back its a good source of info for anyone thinking of doing it
http://www.classicfordmag.co.uk/files/2011/07/CLF166.bike_.pdf
http://www.totalvauxhall.co.uk/files/2010/10/64BIKECARBS1.pdf
http://www.classicfordmag.co.uk/files/2011/07/CLF166.bike_.pdf
http://www.totalvauxhall.co.uk/files/2010/10/64BIKECARBS1.pdf