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 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