2019 Yamaha YZ450F Dyno

How much power does it make?

The 2019 Yamaha YZ450F has a starting suggested retail price of $9,299 and is available in Team Yamaha Blue and White. Powering this Japanese motorcycle is a liquid-cooled, DOHC, four-valve, 449cc four-stroke engine.

We ran the YZ450F on our rear-wheel dyno in third gear to determine peak output from Yamaha’s flagship motocross bike. We documented 50.09 hp at 9,650 rpm and 30.78 pound-feet of torque at 7,510 rpm.

2019 Yamaha YZ450F Dyno ChartAndrew Oldar

“The Yamaha YZ450F engine is both powerful and aggressive with heaps of bottom-end power, a strong midrange, and decent top-end.”

Engine Specifications

Engine Type: Liquid-cooled, DOHC, four-stroke single-cylinder; 4 valves/cylinder
Bore x Stroke: 97.0mm x 60.8mm
Displacement: 449cc
Compression Ratio: 12.8:1
Fuel Delivery: Electronic fuel injection