Most of the updates are centered on the 250 four-strokes. The YZ250F got a new head and crank. There are
also changes to the rod and gearbox. The footpegs are
5mm lower. The swingarm has been redesigned around the
pivot, and the airbox has changes. The YZ250FX off-road
version got most of those changes as well as a new piston.
Yamaha’s big 450 motocrosser has only a few items
on the new list. The airbox and rear brake rotor are new.
It has Dunlop MX3S tires and bold new graphics. For a
detailed, item-by item list of the new changes, go to www.
Yamaha didn’t give the WR250F
the new head that appears on the
YZ250F, but it returns with full eligibility for a California green sticker.
Yamaha gave the
YZ250FX most of the
same updates as the