Engine: The Triumph Speed 400 is powered by a 398.15cc liquid-cooled single-cylinder engine that churns out 40PS at 8000rpm and 37.5Nm at 6500rpm. It is mated to a 6-speed transmission with a slip ...
Engine: The Triumph Speed T4 gets a 398.15cc liquid-cooled single-cylinder engine; the same one as the Speed 400. However, in the Speed T4, it makes 31PS at 7000rpm and 36Nm at 5000rpm (in the ...