TSX8
Another prototype from the unrealised 1983/1984 range, a TSS engine, with Bings, in Triumph T140 TSX cycle parts was to be marketed as the TSX8, the original four-valve version renamed as the TSX4. Wayne Moulton who designed the TSX, had originally done so with the 8-valve TSS engine in mind.
Read more about this topic: Triumph T140W TSS