2019 Honda CRF450RX Dyno Test

How much power does it make?

The 2019 Honda CRF450RX has a starting suggested retail price of $9,599 and is available in red. Powering this Japanese motorcycle is a liquid-cooled, SOHC, four-valve, 449cc four-stroke engine.

We ran the CRF450RX on our rear-wheel dyno in third gear to determine peak output. We documented 53.70 hp at 9,680 rpm and 33.17 pound-feet of torque at 7,710 rpm.

2019 Honda CRF450RX Dyno Chart
2019 Honda CRF450RX Dyno ChartRobert Martin

The Honda CRF450RX makes the most horsepower of the four bikes we tested in the 2019 450 Off-Road Shootout.

- Andrew Oldar

Engine Specifications

Engine Type: Liquid-cooled, SOHC, four-stroke single-cylinder; 4 valves/cyl.
Bore x Stroke: 96.0mm x 62.1mm
Displacement: 449cc
Compression Ratio: 13.5:1
Fuel Delivery: Electronic fuel injection