APRILIA RALLY 50, Manual

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5 use and maintenance Rally 50
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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 vehi-
cle and about riding safely. Therefore it is
essential that you not operate your vehicle
on public streets or highways until you
have received instructions from a qualified
safety organization such as the Motorcycle
Safety Foundation, and are properly
trained and licensed.
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If you believe that your vehicle has a defect
which could cause a crash or could cause
injury or death, you should immediately in-
form the
National Highway Traffic Safety
Administration (NHTSA) in addition to no-
tifying aprilia . If NHTSA receives similar
complaints, it may open an investigation,
and if it finds that a safety defect exists in a
group of vehicles, it may order a recall and
remedy campaign. However, NHTSA can-
not become involved in individual problems
between you, your dealer, or
aprilia . To
contact NHTSA, you may either call the
Auto Safety Hotline toll free at 1-800-424-
9393 (or 366-0123 in the Washington, D.C.
area) or write to: NHTSA, U.S. Depart-
ment of Transportation, Washington, D.C.
20590.
You can also obtain other information about
motor vehicle safety from the Hotline.
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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 vehicle will be used.
a
WARNING
This vehicle has been designed and pro-
duced for use on even and paved roads or
surfaces only. Do not use the vehicle on un-
paved surfaces, in order to avoid overturn-
ing or other accidents.
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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
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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” carburetor 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” carburetor settings and no
adjustments should be made, except idle
speed adjustments by means of the appro-
priate screw.