Fling: On a powerful 250 two-stroke you feel the motion
thanks to the instantaneous vibes of the engine. Even if it’s
not faster than 450 four-stroke—it feels faster.
powerband was broader. It hit harder and pulled farther.
We originally ran VP Racing C- 12 in the engine, but over
time we learned more about the engine’s needs and worked
our way down to a 50/50 mix of pump gas and C- 12.
As for the suspension, it was lightyears better than the
stock WP stuff. After riding the Fox Factory-equipped KTM
250SX, the MXA test riders didn’t ever want to ride the
stock WP suspension again.
For more information about Fox Factory suspension
mods, go to www.ridefox.com or call (800) 369-7469.
FMF Racing can be reached at www.fmfracing.com
or (310) 631-4363. ❏
Cowboy way: Fox dialed in Derek Howerton’s exact fork
settings, but we ended up lightening up the compression and
rebound. The front end rode a bit high for our tastes, so we
slid the fork legs up 5mm.
Brass ring: With the increase in compression, the need to run
race gas and the bored-out 39mm carb, the jetting was way
off. We went to a larger 168 main, stock pilot and clip in the