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AreYamaha motocross
machines really as competitive
as we saytheyare?Justask the
man who rides one.
Broc Glover, Bob Hannah
and Rick Burgett rode theirs
thisyearto the first grand slam
in motocross history. Number
One plates inAMA 125, 250,
Open Class and Supercross.
And they did it onworks
bikes that are closer than everto
theYZ125, 250 and 400waiting
for you at yourYamaha dealer.
We've made some significant improvements in all three
models thisyean
FOE one thing, power is up.
And we mean up. As much as
20% in mid-range. WIth the
torque you needto take the holeshot and never look back.
Handling is even more
responsive. Because we've
increased the suspension travel,
front and rear.
Our exclusive nitrogen/oil
M01WShock has exceptionally
long travel for consistent
traction andcontrol. Its fully
adjustable for dampening,
spring preload andnitrogen
pressure. Extensive /inning
A rigid triangulated swingarm means truer rear wheel
tracking. And the box-section
aluminum design reduces
unsjm4ng weight on our
largeiYZ~.
28
The newfull-floating rear
brake allows the shoe to rotate
with the frame rather than the
swing arm for smoother, more
positive braking under all track!
conditions. And the swing arm
pivot point is now closer to the
countershaft, eliminating the
needfor a chain tensioner.
Our YZ125 will be a bigger
threat than everin1979, with
its newly-designed Monoshock.
The oil andgas capacity is
.
dissipat~ .heat
