The 2019 KTM 450 SX-F has a starting suggested retail price of $9,899 and is available in orange. Powering this Austrian motorcycle is a liquid-cooled, SOHC, four-valve, 449.9cc four-stroke engine.
We ran the 450 SX-F on our rear-wheel dyno in third gear to determine peak output from KTM’s flagship motocross bike. We documented 50.79 hp at 9,320 rpm and 32.55 pound-feet of torque at 6,800 rpm.