2023 Yamaha YZ250F Horsepower and Torque

While you consider highly effective 250 four-stroke motocross bikes, Yamaha is one which probably involves thoughts, and for good motive. In inventory trim, its YZ250F has been praised for plentiful low-end to midrange energy, which is among the key elements that makes it a favourite for a lot of. Nevertheless, though bLU cRU improved top-end energy in 2021, its fuel-injected liquid-cooled DOHC four-stroke 250cc engine with a reverse cylinder head design nonetheless ranks within the backside half of the category when it comes to peak horsepower and torque.

On our in-house Dynojet 250i rear-wheel dynamometer, we documented 39.5 hp and 18.0 lb.-ft. of torque. No matter the way it performs on the dyno, the Yamaha remains to be broadly praised by many for its superior energy traits within the filth. “The YZ250F engine is quick and has a lot torque!” check rider Tanner Basso mentioned. “It revs in a short time, so you must shift it quite a bit. Nonetheless, this engine is by far the most effective at school.”

2023 Yamaha YZ250F Dyno ChartRobert Martin

2023 Yamaha YZ250F Engine Specs

Engine Sort: DOHC, liquid-cooled, four-stroke single-cylinder; 4 valves/cyl.
Displacement: 250cc
Bore x Stroke: 77.0 x 53.6mm
Compression Ratio: 13.8:1
Gasoline Supply: Digital gasoline injection w/ 44mm throttle physique