TTR600 speedo cable
I replaced the speedo cable on my TTR600 last year, after hours of tracking down the replacement part from not-very-helpful Yamaha dealers. Lots of them were not interested, did not know the part number and did not want to get involved: a lot of this was ascribed to the " Belgarda " connection i.e. the fact that the bike was assembled in Italy + that particular part number does not appear on the micro fiches etc etc.
Anyway, here is the genuine Yamaha part number, taken straight from the packaging, as supplied by Motoward UK:-
It fitted exactly and it's the whole cable, inner and outer.
(If the label is anything to go by, it came from "Yamaha Motor Italia S.P.A.")