PHOTOS BY KAREL KRAMER AND KIT PALMER
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1985YZ
motoerossers
'.
By Kit Palmer
New colors and refinements are the watchwords for Yamaha's 1985 motocrossers:
they're red-and-white now, just like European models, not yellow and black, and they
don't sport any radical changes.
The newest feature is found
on t~e YZI2~, YZ250and YZ490,
an Innovation Yamaha calls
30
Brake Actuated Suspension System
(B.A.S.S.), designed toeliminate what
many Yamaha riders have come to
know as the "Yamahop" encountered
when braking over bumps. A cable
connects the rear brake pedal to the
rear shock reservoir; when the brake
is applied the cable pulls a linkage
,whith varies the preload on the>r~sell- '.'
voir blow-off valve springs and reduces compression damping between 60
to +~~. YZ125, YZ250 and YZ490all
have a front disc brake, stronger rims
with steel spoke nipples, stronger
swingarms, composite instead of steel
reed valves,. an .additional bearing
surface for the clutch arm, aluminum.
silencers with steel cores and easier
access to the foam air filler. The'
YZI25 and YZ250 also have O.5mmlarger diameter Z-spokes. Wider,
can-in- subp~pts rin! nhe JX'lwerfeels' thm '~idIl new
