many thanks grumpy, not much escapes you so i much appreciate your wealth of knowledge

yep i have already watched that clip on youtube and that part of it seems pretty clear to me , but and there's always a but, what isnt clear to me and not in that clip is how you disconnect the gxv linkages, to the throttle and choke whilst the carb is still on the studs ?
whilst on the studs there is no way to incline/rotate the carb to allow the bent rods to unclip from the carb itself, and i'd hate to over 'coerce' them fracturing any of the plastic parts they attach to....
is there some trick you use to unclip these rods and the associated spring ?