This isn't my pic so copyright to Giles Waite and/or Facebook, and the names are all copied from comments on the Facebook post too.
Jeff Donovan: Me on the end, dark blue leathers and black bell helmet, can see Graham Marchant, Dave Burford, maybe Dave Pickworth, possibly Giles Waite, and Neil Spalding on second row on katana 1100?
Giles Waite: Cheers Jeff, yes I'm no 22 thanks for naming the others, is Steve Bonhomme one of the GpZ900 riders?
Simon Bastow: Is that Steve Bonhomme jumping the start Jeff!
Giles Waite: That's who I though it was
Jeff Donovan: Possibly Steve Bonhomme next to me cant see enough of the other rider with white helmet.
Simon Bastow: Must have been Steve's first time out on that bike Joss, it's still got the origional bodywork, I'll have a wild stab at Ian Wilson for number 18
Jeff Donovan: Great picture thats for sure!
Giles Waite: My mother found the photo this morning, haven't seen it before even though she reckons she took it? Mind it is nearly 30 years ago!
Tim Walker: I remember you on that 500
Giles Waite: Yes wasn't the best choice at the time Tim but had a few good results on it
Tim Walker: Didn't you tip off it on the elbow
Giles Waite: No never dropped the 500, had a big one down the elbow on 350 Ypvs battling with Dave Ball
Eddy Joe Domingues: That Charles Adair on YamFJ..
Martin Sweet: Graham Marchant on the FJ1100 , Is that Neil Spalding on the second row. Now Moto GP Technical gnu!!!