I checked the listing in my T Cat’s Haynes manual, no current listing for the CB350.
Try http://www.haynes-manuals.co.uk as they might of listed one in the past.
e mail [email protected]
Try Honda Owners club
61 Vicarage Road,Ware, Herts SG12 7BE
Good luck and let us know how you get on with the bike.
Merry Xmas etc etc.