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The new YZ?5OF.
How do
you
make
the legendary
YZ?IOF even more
dominant? For
starters,
give
it
a
new
aluminum frame
and Speed-Sensitive
System 48mm Kayaba
front fork
and titanium rear
shock spring. Then
equip it with
a competition-crushing 249cc
four-stroke
engine, improved
mass
centralization, new exhaust
system
