2019 KTM 250 SX-F Dyno Test

How much power does KTM’s 250 four-stroke motocross bike make?

Video By: Bert Beltran

The 2019 KTM 250 SX-F has a starting suggested retail price of $8,999 and is available in orange. Powering this Austrian motorcycle is a liquid-cooled, DOHC, four-valve, 249.9cc four-stroke engine.

We ran the 250 SX-F on our rear-wheel dyno in third gear to determine peak output from KTM’s 250F motocross bike. We documented 39.23 hp at 13,210 rpm and 19.05 pound-feet of torque at 8,900 rpm.

2019 KTM 250 SX-F Dyno Chart
2019 KTM 250 SX-F Dyno ChartDirt Rider Staff

“Our seat-of-the-pants dyno has the KTM as the most powerful engine in the class. It has decent bottom-end, the power comes on strong in the midrange, and it keeps building power in the top-end and over-rev.”

- —Andrew Oldar

Engine Specifications

Engine Type: Liquid-cooled, DOHC, four-stroke single-cylinder; 4 valves/cylinder
Bore x Stroke: 78.0mm x 52.3mm
Displacement: 249.9cc
Compression Ratio: 14.4:1
Fuel Delivery: Electronic fuel injection