Complex sentence: She is the larger, twocylinder sister of the onecylinder Yamaha XTZ 660 Ténéré, which are again the successor of the air-cooled Yamaha XT 600Z Ténéré.
Split into simpler sentences: She is the larger, two-cylinder sister of the one-cylinder Yamaha XTZ 660 Ténéré. Both the Yamaha XTZ 750 SuperTénéré and the Yamaha XTZ 660 Ténéré are successors of the smaller, air-cooled Yamaha XT 600Z Ténéré.