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Before starting the engine, carefully read
this manual and in particular the chapters
"WARNINGS - PRECAUTIONS - GENER-
AL ADVICE" and "SAFE DRIVE" see p. 17.
Your safety and that of those around you
depends not only on your skill as a rider,
but also your knowledge about your motor-
cycle and about riding safely. Therefore it
is essential that you not operate your mo-
torcycle on public streets or highways until
you have received instructions from a qual-
ified safety organization such as the Motor-
cycle Safety Foundation, and are properly
trained and licensed.
If you believe that your motorcycle has a
defect which could cause a crash or could
cause injury or death, you should immedi-
ately inform the National Highway Traffic
Safety Administration (NHTSA) in addi-
tion to notifying aprilia. If NHTSA receives
similar complaints, it may open an investi-
gation, and if it finds that a safety defect ex-
ists in a group of motorcycles, it may order
a recall and remedy campaign. However,
NHTSA cannot become involved in individ-
ual problems between you, your dealer, or
aprilia. To contact NHTSA, you may ei-
ther call the Auto Safety Hotline toll free
at 1-800-424-9393 (or 366-0123 in the
Washington, D.C. area) or write to: NHT-
SA, U.S. Department of Transportation,
Washington, D.C. 20590.
You can also obtain other information about
motor motorcycle safety from the Hotline.
However, the NHTSA cannot be involved in
individual problems between you, your
dealer or aprilia s.p.a..
To contact the NHTSA, either call the Auto
Safety Hotline toll-free number 1-800-
424-9393 (or 366-0123 in the Washington,
D.C. area) or write to: NHTSA, U.S. De-
partment of Transportation, Washington,
D.C. 20590. Further information about mo-
tor motorcycle safety can also be obtained
from the Hotline.
Rules of the road vary from country to coun-
try. It is essential that you understand in ad-
vance the rules of the road of the country in
which your motorcycle will be used.
WARNING
This motorcycle has been designed and
produced for use on even and paved roads
or surfaces only. Do not use the motorcycle
on unpaved surfaces, in order to avoid over-
turning or other accidents.
aprilia s.p.a. warrants that this exhaust
system, at the time of sale, meets all appli-
cable U.S. EPA Federal noise standards.
This warranty extends to the first person
who buys this exhaust system for purpos-
es other than resale, and to all subse-
quent buyers.
Warranty claims should be directed to:
aprilia USA Inc.
110 Londonderry Court, Suite 130
Woodstock, GA 30188
USA
Tel 770 592 2261
Fax 770 592 4878
ORIGIN OF THE EMISSIONS
The combustion process produces carbon
monoxide and hydrocarbons. The control
of hydrocarbons is very important, because
under certain conditions they react to ex-
posure to sunlight and produce photo-
chemical smog.
Carbon monoxide does not react in the
same way, but it is toxic and poisonous.
aprilia utilizes "lean" carburettor settings
and other systems to reduce the produc-
tion of carbon monoxide and hydrocar-
bons.
EXHAUST EMISSION
CONTROL SYSTEM
The Exhaust Emission Control System re-
quires "lean" carburettor settings and no
adjustments should be made, except idle
speed adjustments by means of the appro-
priate screw.
use and maintenance RS 50
?
5
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