it is about 37 horsepower
According to the guys over at MXA the KTM 250SXF pumps out 38.6 horsepower.
580
500
347bhp
65cc
The 2013 KTM SX has 25 horsepower at 12000 RPM. Older models are less powerful and fall between 21 and 25 horsepower.
They have 293.20 cc.
52
51.5 hp
The maximum horsepower of the KTM 525 is 51.5 horsepower. As per the KTM 525 website, the horsepower could range from 48-52 hp. A KTM 525 can go upwards of 70 mph.
55