2017 KTM 250 SX-F Factory Edition the WHIP the 250 SX-F Factory Edition the lightest and best performing bike in its class is the right choice for both amateur and professional riders. And take them out. Motorcycles Motocross DX514473040679906701158 DX1 . the combination of a powerful and torquey engine in a lightweight and agile chassis is key to its success. A 14.000 rpm redline factory spec WP AER 48 forks orange anodized triple clamps and sprocket an FMF muffler launch control and Excel rims: this small bore superstar based on the prestigious 250 SX-F has what it takes to take on the big guns...