1990 Kawasaki KX mofocrossers
Kawasak i' s 1990 m otocross
lineup is spearheaded by th e
all-ne w KX125 and 250, th e
two most radically changed
mac hines introduced thi s year by any
of the big four J apan ese manufacturers. Wh at sets the KXl 25 a nd 250
a part fro m th e'crowd is th e a ll -new ,
box sect ion . peri meter frame also
found on Kawasa ki's streetb ikes.
H owever , on ly the KXl 25 and 250
got the perimeter fram es. Kaw asaki
left the KX500 a nd KX80 relatively
unch an ged with sus pe nsion a nd
engine refine ments. All bik es feature
new radi cal bri ght pin k a nd blue KX
graphics.
The perimeter fram e fo und o n the
KX250 is designed to p ro vide exceptio na l rid igity over co nventiona l
fra me s for superior hand ling. A
pe rim eter fram e a lso a llows th e
... ; The all-new KX250 features a
& , perimeter box-section frame.
new upside-down cartridge
.fo rks. low-rout ed exhaust
system. redesigned exhaust
port and a new f loat ing type
clutch that was featured on last
year's KX500 .
New dual radiators ; the
perimeter frame and all-new
styling make the KX125 look
very similar to the KX250; in
fact the seat. tank and shrouds
are interchangeable. The
KX125 also gets a new piston.
revised porting and carburetor.
_
Very few changes were made to
"Y the KX500. the most notable
being a switch to inverted forks.
18
slim mer fuel tank to be positioned
lower for a more cen tra lized center
of gravity.
After being th e only 250cc motocrosser with standard forks in '89,
Kaw asaki has made th e switch to
upside-down cart rid ge forks with
com p ressio n and rebound damping
adjustme n ts this year. At the rear
end, a new doub le cross pipe-type
swinga rm has been adop ted with
Uni -Trak linka ge si m ilar to la st
year 's mod el.
T he KX 250's power pl a n t h a s
redes ig ne d exha ust a nd scavenging
po rts, and the pi ston ha s been treated
with a lu rnite for in creased durabil ity. With th e lower tank a low -boy
exha ust pipe is utilized to further
br ing down th e cente r of gravit y, and
th e ex ha us t si le ncer ha s been
cha nged fro m round to oval to help
reduce noise.
A new floating type clutch , like
th at a lrea dy found o n th e KX500, is
now used for improved feeling. a nd
th e tran smission gea rs have wid er
teeth. An extra generator coil is used
in the digital ign ition system to
improve spark. Suggested reta il pri ce
will be $3899, up $300 from last year.
