Tuono 660 Factory 2026 vs Z650 S ABS 2026

If straight-line speed is your priority, the Tuono 660 Factory takes the lead. With 38 HP more than the Z650 S ABS, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the Tuono 660 Factory has a clear advantage. Weighing in 9kg less than the Z650 S ABS, it will feel significantly easier to handle in low-speed traffic, parking maneuvers, and twisty corners. Riders with a shorter inseam should lean towards the Z650 S ABS. Its seat height is 15mm lower than the Tuono 660 Factory, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the tuono660 offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.