So onto Chokes/air cleaners, it is confirmed the "perdicta" as with all Model 4's had the small white choke, it is not clear when the changes of style came about (yet) but just a bit to clearify what is known, The "Predicta" Automatic had the Sad face victa with red writing as did the Rotomo model 1, 2, 2a.
next came the small white choke with the straight "victa" at this point unknown as to when it was introduced and took over from the sad faced choke, presumably with the Model 5 series 1, (red writing).
Later on (unknown) it did not have victa on it at all only the words "Start" & "run" also red writing.
These type of chokes run right up to the late part of the Model 5 series 2 when some late series 2 and series 3 obtained the new large Black choke that was mounted on a shorter air intake tube.
Last edited by Bruce; 18/11/1303:11 PM. Reason: Removed copyright image