51.33 HP Exact
it is about 37 horsepower
ktm 450 sx
48 hp
The stock 450 has around 54-55
The KTM sx is fast but the yfz is the best for what I do, what kind of riding do you do?
The KTM 450 XC ATV is a Sport Style ATV equipped with an 447.9cc, liquid cooled, single-cylinder, 4-stroke engine with front and rear disc brakes. The XC ATV 450 has a Double A-Arm front suspension with 10.2 inches of travel while the rear suspension has 10.4 inches of travel. The 450 XC ATV was introduced in 2008 for cross country racing.
It has 170 horsepower
Got this off of KTM talk, 44HP for a 450 exc.
This is according to Motocross Action Magazine Peaking out at 54.3 horsepower is the 2008 KTM 450SXF on the dyno. It is the most powerful 450 motocross bike on the showroom floors.
According to the guys over at MXA the KTM 250SXF pumps out 38.6 horsepower.
580
500