1999
For a 250 SX KTM recommends Motorex Top Speed 4T 15W50 (.7 L). For a 250 SX-F KTM recommends Motorex Power Synt 4T 10W50 (1.1 L).
2009 KTM 250SX retail price $6598
With stock gearing 71 mph.
mine goest 86 stock!
With stock gearing 250 SX is 72 mph
I hear about 38.6
You can find that info , as well as a lot more, here: http://motocross.transworld.net/2003/07/09/2004-ktm-125-sx-200-sx-250-sx-and-525-sx/
an 09 ktm sx 250 is about $8,000 if its all stock
No not on a 2 stroke 250SX, however the 4 stroke 250 SXF does.
The 250sx has about 47 hp and does 71 mph (stock).
A single cylinder 2 stroke 249cc engine with a Keihin PWK36 carb.
132hp turbo converted with à small ic