Aprilia RS 50 2005 Owner's manual
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SR 50
8202439
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© 2005 aprilia s.p.a. - Noale (VE)
First edition: January 2005
Reprint:
Produced and printed by:
DECA S.r.l.
Via Vincenzo Giardini, 11 - Lugo (RA) - Italy
Tel. +39 - 0545 216611
Fax +39 - 0545 216610
E-mail: deca@vftis.spx.com
www.decaweb.it
On behalf of:
aprilia s.p.a.
via G. Galilei, 1 - 30033 Noale (VE) - Italy
Tel. +39 - (0)41 58 29 111
Fax +39 - (0)41 44 10 54
www.aprilia.com
FOREWORD
NOTE
This manual is an important and
integral part of your vehicle. Keep it with
your vehicle at all times, even if your
vehicle is resold.
aprilia has prepared this manual to supply
you, the user, with correct and current
information. However, since aprilia
constantly improves the design of its
vehicles, there may be slight discrepancies
between your vehicle and the material
given in this manual. If you have any
questions about your vehicle, contact your
Local aprilia Dealer, as he will have the
very latest technical information available
from the factory.
For tests and repairs not expressly
described in this manual, to purchase
aprilia genuine spare parts, accessories,
and other products, and for help with
specific problems, please contact your
Local aprilia Dealer or service center.
These professionals will be able to assist
you promptly and accurately.
Thank you for choosing aprilia. Have a
great ride!
This manual is copyrighted in all countries,
and reproduction of any part thereof or the
complete manual by any print or electronic
means is strictly prohibited.
INTRODUCTION
This manual is divided into sections, chapters
and paragraphs, by subject. The procedures
described are laid out by single operation, and
each operation is indicated by a ♦.
The numbered parts shown in the figures are
identified in the text by the number in
parentheses or the symbol representing them.
Example (the following text is generic and
does not refer to this specific vehicle):
section
chapter
safety
warning
paragraph
operation To lock the steering:
position (2)
symbol “
MAIN INDEPENDENT CONTROLS
STEERING LOCK
Never attempt to place the ignition
switch in the locked “
position while the vehicle is moving.
OPERATION
♦
Turn the handlebar completely to the
♦
Turn the key (2) to position “”.
”
♦
Press the key and turn it to position “”.
♦
Remove the key.
WARNING
left or to the right.
” (LOCK)
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SAFETY WARNINGS
The following precautionary warnings are
used throughout this manual in order to
convey the following messages:
Safety Warning: When you see
this symbol on the vehicle or in
the manual, pay particular
attention to the potential risk of
personal injury or death.
Failure to comply with the instructions
given in the warning messages
preceded by this symbol may result in
grave risk for your and other people’s
safety and for the vehicle.
WARNING
Indicates a potential hazard which may
result in serious injury or even death.
WARNING
Indicates a potential hazard which may
result in personal injury or damage to
the vehicle or other property.
NOTE
precedes important information or
instructions.
The word “NOTE” in this manual
GENERAL SAFETY RULE
CARBON MONOXIDE
If it is necessary to run the engine in order to
carry out maintenance operation, make sure
that the area in which you are operating is
properly ventilated. Never run the engine in
enclosed spaces.
If it is necessary to work indoors, use an
exhaust evacuation system.
WARNING
The exhaust fumes contain carbon
monoxide, a poisonous gas that can
cause loss of consciousness and even
death.
WARNING
Carbon monoxide is both colorless and
odorless, and cannot be detected by
smell, vision, or any other sense. Avoid
breathing exhaust fumes under any
circumstances.
GASOLINE
Keep gasoline away from children. Gasoline
is also poisonous. Never attempt to siphon
gasoline using your mouth. Never allow
gasoline to contact your skin. If you should
accidentally spill gasoline on yourself, change
your clothes immediately and wash the area
upon which the gasoline was splashed
thoroughly with hot water and soap. Should
you accidentally swallow gasoline, do not
induce vomiting. Drink large quantities of clear
water or milk and immediately seek
professional medical assistance. Should you
accidentally get gasoline get your eyes, flush
with large quantities of cool, clear water and
immediately seek professional medical
assistance.
WARNING
Gasoline is extremely flammable and
becomes explosive under certain
conditions.
KEEP GASOLINE AWAY FROM
CHILDREN.
HOT COMPONENTS
WARNING
The engine and all parts of the exhaust
system, as well as the braking system,
become very hot and remain hot for some
time after the vehicle and the engine are
stopped. Before handling any component
of your vehicle after riding, make sure that
it has cooled sufficiently to be safe to
handle.
USED ENGINE OIL
WARNING
Use latex gloves for maintenance
operations that require contact with used
oil. Used engine oil may cause skin cancer
if repeatedly left in contact with the skin for
prolonged periods. Although this is
unlikely unless you handle used oil on a
daily basis, it is advisable to thoroughly
wash your hands with soap and water
after handling used oil.
KEEP OIL AWAY FROM CHILDREN.
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BRAKE FLUID
WARNING
Brake fluid is extremely poisonous. Do
not ever allow brake fluid to be ingested
or swallowed. Should brake fluid
accidentally be swallowed, drink large
quantities of milk or clear water and
immediately seek professional medical
assistance. Brake fluid is highly
destructive of skin and eye tissue.
Should you accidentally spill brake fluid
on yourself, remove the contaminated
clothing, wash your body with soap and
warm water immediately and
immediately seek professional medical
assistance. Should you accidentally
splash brake fluid into your eyes, flush
with a large quantity of cool, clear water
and immediately seek professional
medical assistance.
KEEP BRAKE FLUID AWAY FROM
CHILDREN.
COOLANT
In certain conditions, the ethylene glycol
contained in the engine coolant is
flammable: its flame is invisible, but you
can be burned anyway.
WARNING
Avoid spilling the engine coolant on the
exhaust system or on the engine
components. They may be hot enough
to cause the coolant to ignite and burn
without a visible flame.
The coolant (ethylene glycol) can cause
skin irritation and is poisonous if
swallowed.
Coolant and coolant/water mixtures are
sweet to the taste and brightly colored,
therefore are highly attractive to pets
and children. Take extra precautions to
keep new and used coolant out of reach
of children and animals.
KEEP COOLANT AWAY FROM
CHILDREN.
Risk of burns.
Do not remove the radiator cap when
the engine is hot. Wait until the engine
has completely cooled down. The
coolant is under pressure and may
splash out and cause burns.
BATTERY HYDROGEN GAS AND
ELECTROLYTE
WARNING
The battery gives off noxious and
explosive gases; keep cigarettes, flames
and sparks away from the battery.
Provide adequate ventilation when
operating or recharging the battery.
During recharging and use, make sure
that the room is properly ventilated and
avoid inhaling the gases released during
the recharging.
The battery contains sulfuric acid
(electrolyte). Contact with the skin or
eyes may cause serious burns. Always
wear protective clothing, rubber gloves,
and tight fitting goggles or a face shield
when working around the battery,
especially when filling the battery with
either water or electrolyte.
In case of contact with the skin, flush
immediately with plenty of water. In case
of contact with the eyes, flush with
plenty of water for at least 15 minutes.
Immediately consult a health
professional.
The electrolyte is poisonous.
If the electrolyte is accidentally
swallowed, drink large quantities of
water or milk and then milk of magnesia
or vegetable oil. Immediately consult a
health professional.
KEEP BATTERIES AND ELECTROLYTE
AWAY FROM CHILDREN.
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WARNING - PRECAUTIONS GENERAL ADVICE
Before starting the engine, read this manual
carefully, and in particular the chapters
“WARNINGS - PRECAUTIONS - GENERAL
ADVICE” and “SAFE DRIVE” see p. 19.
Your safety and that of those around you
depends not only on your skill as a rider, but
also your knowledge about your vehicle 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.
REPORTING OF DEFECTS THAT
AFFECT SAFETY
If you believe that your vehicle has a defect
which could cause a crash or could cause
injury or death, you should immediately inform
the National Highway Traffic Safety
Administration (NHTSA) in addition to
notifying 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 cannot 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. Department of Transportation,
Washington, D.C. 20590.
You can also obtain other information about
motor vehicle safety from the Hotline.
ROAD REGULATIONS
AND USE OF THE VEHICLE
Rules of the road vary from country to country.
It is essential that you understand in advance
the rules of the road of the country in which
your vehicle will be used.
WARNING
This vehicle has been designed and
produced for use only on paved roads. It is
not designed to be used on even smooth
graded dirt roads, or trails. It is not
designed for off road competition, or for
cross country riding. Do not use this
vehicle on rough or unimproved surfaces,
or in other off road areas. Failure to heed
this warning could lead to an upset with
subsequent injury and even death.
NOISE EMISSION WARRANTY
aprilia s.p.a. warrants that this exhaust
system, at the time of sale, meets all
applicable U.S. EPA Federal noise standards.
This warranty extends to the first person who
buys this exhaust system for purposes other
than resale, and to all subsequent buyers.
Warranty claims should be directed to:
aprilia USA Inc.
109 Smoke Hill Lane, Suite 190
Woodstock, GA 30188
USA
Tel 001 770 592 2261
Fax 001 770 592 4878
INFORMATION ON THE NOISE AND
EXHAUST GAS EMISSION CONTROL
SYSTEM
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 exposure to sunlight and produce
photochemical 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
production of carbon monoxide and
hydrocarbons.
TAMPERING WARNING
Tampering with the noise control system is
prohibited. Federal law prohibits the following
acts or causing thereof:
a) The removal or rendering inoperative by
any person other than for purposes of
maintenance, repair, or replacement, of
any device or element of design
incorporated into any new vehicle for the
purpose of noise control prior to its sale or
delivery to the ultimate purchaser or while
it is in use, or
b) The use of the vehicle after such device or
element of design has been removed or
rendered inoperative by any person.
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Among those acts presumed to constitute
tampering are the acts listed below:
a) Removal of, or puncturing the muffler,
baffles, header pipes or any other
component which conducts exhaust
gases.
b) Removal or puncturing of any part of the
intake system.
c) Lack of proper maintenance.
d) Replacing any moving part of the
vehicle, or parts of the exhaust or intake
system, with parts other than those
specified by the manufacturer.
CAUTION
This product should be checked for
repair or replacement if the vehicle
noise has increased significantly
through use. Otherwise, the owner may
become subject to penalties under state
and local ordinances.
PROBLEMS THAT MAY AFFECT
THE VEHICLE EMISSIONS
If any of the following symptoms are
VEHICLE IDENTIFICATION NUMBER
(V.I.N.) (FRAME NUMBER)
Every vehicle produced by aprilia receives
a vehicle identification number (V.I.N.)
stamped:
– on the steering head of the frame (A), as
shown above;
and also:
– on the data plate (B) placed on the
steering head.
observed, immediately have your vehicle
inspected and repaired by your Local
aprilia Dealer.
Symptoms:
– Difficult starting or stalling after starting.
– Irregular idle.
– Misfiring or backfiring during
acceleration.
– After-burning (backfiring).
– Poor engine performance, degraded
handling, or poor fuel economy.
B A
INFORMATION CONTAINED IN THE
VEHICLE IDENTIFICATION NUMBER
Description of the vehicle identification
number (V.I.N.), stamped on the steering
head of the frame (A).
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E-13 x 3.50 - DOT-D rim, at 26.1 psi COLD
E-13 x 3.50 - DOT-D rim, at 31.9 psi COLD
635 lbs.
187 - 13" 53J tires
130/60
130/60 - 13" 53J tires
448 lb
DIGIT MEANING
1) Manufacturer’s identification
alphanumeric code.
2) Vehicle type.
3) Type of cycle, line, Engine type, and
Engine Net Brake Horse Power.
4) #= Check digit number.
5) Model year.
6) Plant location
(N = NOALE-VE- ,
S = SCORZÉ -VE).
7) Sequential serial number.
MOTORCYCLE
-VFC-
ZD4RY***#4#000000
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POSITION OF THE WARNING ADHESIVE LABELS
8 8
12 6
3
16
1 4
7
13 11
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914 510 2 15
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WARNING ADHESIVE LABELS CHART
Ref. Description
635 lb
187
E-13 x 3.50 - DOT-D rim, at 26.1 psi COLD
1
417 lb
E-13 x 3.50 - DOT-D rim, at 31.9 psi COLD
2
3
4
- 13" 53J tires
130/60
130/60 - 13" 53J tires
MOTOR DRIVEN CYCLE
THE CERTIFICATION LABEL IS
UNDER THE PLASTIC PANEL.
TO REMOVE THE PANEL
SEE OWNER'S MANUAL
U.S.
Michelin
Eurosawatech
Cheng Shiin
2.0
1.8
26.1
1.8
26.1
1.8
26.1
Maxxis
29.0
2.2
Michelin
31.9
Eurosawatech
2.2
Cheng Shiin
31.9
Maxxis
-VFC-
-VFC-
130/60 13 53J
130/60 13 53J
Ref. Description
5
6
7
8
Never install accessories or replacement parts not
approved by Aprilia as original equipment. This can
9
degrade the handling and safety of your motorcycle,
and can cause an upset with subsequent accident and
serious injury or even death. The stability and safety
of any motorcycle is adversely affected by the addition
of any load carrying accessory. See awner's manual.
Follow X
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Ref. Description
10
2006 ASP21E0049 B-1110
11
12
Muffler stamping.
13
14
4512
-VFC-
VEHICLE EMISSION CONTROL INFORMATION -VFC-
ENGINE DISPLACEMENT: 49 cc
ENGINE FAMILY: 6ASPC0.04VFC
THIS VEHICLE CONFORMS TO U.S. EPA AND CALIFORNIA
REGULATIONS APPLICABLE TO 2006 MODEL YEAR NEW
MOTORCYCLES AND IS CERTIFIED TO 1.0 HC G/KM
ENGINE FAMILY EXHAUST EMISSION STANDARD.
ENGINE EXHAUST CONTROL SYSTEM: DFI
ENGINE TUNE UP SPECIFICATIONS
IDLE SPEED: 1600 ± 100 RPM
VALVE CLEARANCE: N.A.
SPARK PLUG: NGK ZMR7AP - NGK CR7E (or EKB)
NGK CR8E (or EKB)
CHAMPION RG6YC (or YCA)
FUEL: MINIMUM OCTANE RATING (M+R)/2 METHOD 90
OIL: TWO STROKE OIL VISCOSITY SAE 40W (SYNTETIC) OR
30W (SEMISYNTHETIC).
Aprilia S.p.A.
Via G.Galilei 1
30033 Noale (VE) ITALY
ATTENTION! STARTING PROCEDURE
Set on brakes and push START button.
See owner's manual.
70
aprilia
Ref. Description
USARE BENZINA SENZA PIOMBO
15
16
N.O. min. 95
USE UNLEADED FUEL
RON min. 95
Do not modify or tamper with this engine
control unit in any way.
Modifications to this unit may reduce
performance, and are prohibited by state and
Federal laws. Any modification of this unit
will immediately void the warranty.
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aprilia s.p.a. - EMISSION
CONTROL SYSTEM
WARRANTY STATEMENT
YOUR WARRANTY RIGHTS
AND OBLIGATIONS
The California Air Resources Board and
aprilia s.p.a. (hereinafter “aprilia”) are
pleased to explain the emission control
system warranty on your 1999 and later
motorcycle. In California new motor
vehicles must be designed, built and
equipped to meet the State’s stringent antismog standards. aprilia must warrant the
emission control system on your
motorcycle for the periods of time listed
below provided there has been no abuse,
neglect or improper maintenance of your
motorcycle.
Your emission control system may include
parts such as the carburetor or fuel
injection system, the ignition system,
catalytic converter and engine computer.
Also included may be hoses, belts,
connectors and other emission-related
assemblies.
Where a warrantable condition exists,
aprilia will repair your motorcycle at no cost
to you, including diagnosis, parts and
labor.
MANUFACTURER’S EMISSIONS
SYSTEM WARRANTY COVERAGE
Class I motorcycles (50 – 169 cm
3
): for a
period of use of five (5) years or 12,000
kilometers (7,456 miles), whichever first
occurs.
Class II motorcycles (170 – 279 cm3): for a
period of use of five (5) years or 18,000
kilometers (11,185 miles), whichever first
occurs.
Class III motorcycles (280 cm
3
and larger):
for a period of use of five (5) years or
30,000 kilometers (18,641 miles),
whichever first occurs.
If an emission-related part on your
motorcycle is defective, the part will be
repaired or replaced by aprilia. This is your
emission control system DEFECTS
WARRANTY.
OWNER’S WARRANTY
RESPONSIBILITIES
– As the motorcycle owner, you are
responsible for the performance of the
required maintenance listed in your
owner’s manual. aprilia recommends
that you retain all receipts covering
maintenance on your motorcycle, but
aprilia cannot deny warranty solely for
the lack of receipts or for your failure to
ensure the performance of all scheduled
maintenance.
– You are responsible for presenting your
motorcycle to an aprilia dealer as soon
as a problem exists. The warranty
repairs should be completed in a
reasonable amount of time, not to
exceed 30 days.
– As the motorcycle owner, you should be
aware that aprilia may deny your
warranty coverage if your motorcycle or
a part has failed due to abuse, neglect,
improper maintenance or unapproved
modifications.
If you have any questions regarding your
warranty rights and responsibilities, you
should contact aprilia USA, Inc., 10933
Crabapple Road, Suite 100, Roswell, GA
3007, or the California Air Resources
Board at P.O. Box 8001, 9528 Telstar
Avenue, El Monte, CA 91731.
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aprilia s.p.a. - LIMITED
WARRANTY ON EMISSION
CONTROL SYSTEM
aprilia s.p.a., Via G. Galilei, 1, 30033
Noale (VE) Italy (hereinafter “aprilia”)
warrants that each new 1999 and after
aprilia motorcycle, that includes as
standard equipment a headlight, taillight
and stoplight, and is street legal:
A. is designed, built and equipped so as to
conform at the time of initial retail
purchase with all applicable regulations
of the United States Environmental
Protection Agency, and the California
Air Resources Board; and
B. is free from defects in material and
workmanship which cause such
motorcycle to fail to conform with
applicable regulations of the United
States Environmental Protection
Agency or the California Air Resources
Board for a period of use, depending on
the engine displacement, of 6,000
kilometers (3,750 miles), if the
motorcycle’s engine displacement is
less than 50 cubic centimeters; of
12,000 kilometers (7,456 miles), if the
motorcycle’s engine displacement is
less than 170 cubic centimeters; of
18,000 kilometers (11,185 miles), if the
motorcycle’s engine displacement is
equal to or greater than 170 cubic
centimeters but less than 280 cubic
centimeters; or of 30,000 kilometers
(18,641 miles), if the motorcycle’s
engine displacement is 280 cubic
centimeters or greater; or 5 (five) years
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from the date of initial retail delivery,
whichever first occurs.
I. COVERAGE. Warranty defects shall be
remedied during customary business
hours at any authorized aprilia
motorcycle dealer located within the
United States of America in compliance
with the Clean Air Act and applicable
regulations of the United States
Environmental Protection Agency and
the California Air Resources Board. Any
part or parts replaced under this
warranty shall become the property of
aprilia.
In the State of California only, emission
related warranted parts are specifically
defined by the state’s Emission Warranty
Parts List. These warranted parts are:
carburetor and internal parts; intake
manifold; fuel tank; fuel injection system;
spark advance mechanism; crankcase
breather; air cutoff valves; fuel tank cap
for evaporative emission controlled
vehicles; oil filler cap; pressure control
valve; fuel/vapor separator; canister;
igniters; breaker governors; ignition
coils; ignition wires; ignition points;
condensers, and spark plugs if failure
occurs prior to the first scheduled
replacement; and hoses, clamps, fittings
and tubing used directly in these parts.
Since emission related parts may vary
from model to model, certain models
may not contain all of these parts and
certain models may contain functionally
equivalent parts.
In the State of California only, Emission
Control System emergency repairs, as
provided for in the California
Administrative Code, may be performed
by other than an authorized aprilia
dealer. An emergency situation occurs
when an authorized aprilia dealer is not
reasonably available, a part is not
available within 30 days, or a repair is
not complete within 30 days. Any
replacement part can be used in an
emergency repair. aprilia will reimburse
the owner for the expenses, including
diagnosis, not to exceed aprilia’s
suggested retail price for all warranted
parts replaced and labor charges based
on aprilia’s recommended time
allowance for the warranty repair and the
geographically appropriate hourly labor
rate. The owner may be required to keep
receipts and failed parts in order to
receive compensation.
II. LIMITATIONS. This Emission Control
System warranty shall not cover any of
the following:
A. Repair or replacement required as a
result of
(1) accident,
(2) misuse,
(3) repairs improperly performed or
replacements improperly installed,
(4) use of replacement parts or
accessories not conforming to aprilia
specifications which adversely affect
performance and/or
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(5) use in competitive racing or related
events.
B. Inspections, replacement of parts and
other services and adjustments
required for required maintenance.
C. Any motorcycle on which the odometer
mileage has been changed so that
actual mileage cannot be readily
determined.
III. LIMITED LIABILITY
A. The liability of aprilia under this
Emission Control System Warranty is
limited solely to the remedying of
defects in material or workmanship by
an authorized aprilia motorcycle dealer
at its place of business during
customary business hours. This
warranty does not cover inconvenience
or loss of use of the motorcycle or
transportation of the motorcycle to or
from the aprilia dealer.
aprilia SHALL NOT BE LIABLE FOR
ANY OTHER EXPENSES, LOSS OR
DAMAGE, WHETHER DIRECT,
INCIDENTAL, CONSEQUENTIAL OR
EXEMPLARY ARISING IN
CONNECTION WITH THE SALE OR
USE OF OR INABILITY TO USE THE
aprilia MOTORCYCLE FOR ANY
PURPOSE. SOME STATES DO NOT
ALLOW THE EXCLUSION OR
LIMITATION OF ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO
THE ABOVE LIMITATIONS MAY NOT
APPLY TO YOU.
B. NO EXPRESS EMISSION CONTROL
SYSTEM WARRANTY IS GIVEN BY
aprilia EXCEPT AS SPECIFICALLY
SET FORTH HEREIN. ANY EMISSION
CONTROL SYSTEM WARRANTY
IMPLIED BY LAW, INCLUDING ANY
WARRANTY OF MERCHANTABILITY
OR FITNESS FOR A PARTICULAR
PURPOSE, IS LIMITED TO THE
EXPRESS EMISSION CONTROL
SYSTEM WARRANTY TERMS
STATED IN THIS WARRANTY. THE
FOREGOING STATEMENTS OF
WARRANTY ARE EXCLUSIVE AND IN
LIEU OF ALL OTHER REMEDIES.
SOME STATES DO NOT ALLOW
LIMITATIONS ON HOW LONG AN
IMPLIED WARRANTY LASTS SO THE
ABOVE LIMITATIONS MAY NOT
APPLY TO YOU.
C. No dealer is authorized to modify this
aprilia Limited Emission Control
System Warranty.
IV.LEGAL RIGHTS. THIS WARRANTY
GIVES YOU SPECIFIC LEGAL
RIGHTS, AND YOU MAY ALSO HAVE
OTHER RIGHTS WHICH VARY FROM
STATE TO STATE.
V. THIS WARRANTY IS IN ADDITION TO
THE aprilia LIMITED MOTORCYCLE
WARRANTY.
VI.ADDITIONAL INFORMATION. Any
replacement part that is equivalent in
performance and durability may be
used in the performance of any
maintenance or repairs. However,
aprilia is not liable for these parts. The
owner is responsible for the
performance of all required
maintenance. Such maintenance may
be performed at a service
establishment or by any individual. The
warranty period begins on the date the
motorcycle is delivered to an ultimate
purchaser.
aprilia s.p.a.
Via G. Galilei, 1
30033 Noale (VE) Italy
aprilia USA, Inc.
109 Smoke Hill Lane, Suite 190
Woodstock, GA 30188
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GENERAL INSTRUCTIONS
The operations preceded by this
+
symbol must be repeated also on
the opposite side of the vehicle.
If not expressly indicated otherwise, for the
reassembly of the units repeat the
disassembly operations in reverse order.
The terms “right” and “left” are referred to
the rider seated on the vehicle in the
normal riding position.
NOTE
Soon after purchasing the
vehicle, write down the identification data
provided in the SPARE PARTS
IDENTIFICATION LABEL in the table
below. This label is positioned on the left
part of the frame; to be able to read it,
remove the left inspection cover, see page
69 (REMOVING THE RIGHT AND LEFT
INSPECTION COVERS).
These data indicate:
– YEAR = year of manufacture (Y, 1, 2,
…);
– I.M. = modification code (A, B, C, …);
– COUNTRY CODE = country of
homologation (I, UK, A, …).
and are to be supplied to the Local aprilia
Dealer as reference data for the purchase
of spare parts or specific accessories of
the model you have acquired.
In this manual the various versions are
indicated by the following symbols:
OPT
optional
IE 361
electronic injection
Purejet engine
IE 50
electronic injection
Ditech engine
C 364
Carburettor
VERSION:
Italy Singapore
I
United
UK
Kingdom
Austria Israel
A
Portugal South Korea
P ROK
Finland Malaysia
SF
Belgium Chile
B
Germany Croatia
D
France Australia
F
Spain United States
E
Greece Brazil
GR
Holland South Africa
NL
Switzerland New Zealand
CH
Denmark Canada
DK
Japan
J
SGP
SLO
IL
MAL
RCH
HR
AUS
USA
BR
RSA
NZ
CDN
Slovenia
of America
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APRum_SR50ie##ED04_##US.book Page 15 Friday, February 18, 2005 5:32 PM
GENERAL INDEX
FOREWORD...................................................2
INTRODUCTION............................................ 2
SAFETY WARNINGS ..................................... 3
GENERAL SAFETY RULE.............................. 3
CARBON MONOXIDE............................................ 3
HOT COMPONENTS ............................................. 3
USED ENGINE OIL ................................................ 3
BRAKE FLUID ........................................................ 4
COOLANT .............................................................. 4
BATTERY HYDROGEN GAS AND
ELECTROLYTE...................................................... 4
WARNING - PRECAUTIONS - GENERAL
ADVICE .........................................................5
REPORTING OF DEFECTS THAT AFFECT
SAFETY.................................................................. 5
ROAD REGULATIONS AND USE OF THE
VEHICLE ................................................................ 5
NOISE EMISSION WARRANTY ............................ 5
INFORMATION ON THE NOISE AND EXHAUST
GAS EMISSION CONTROL SYSTEM ................... 5
TAMPERING WARNING........................................ 5
PROBLEMS THAT MAY AFFECT THE VEHICLE
EMISSIONS............................................................ 6
VEHICLE IDENTIFICATION NUMBER (V.I.N.)
(FRAME NUMBER) ................................................ 6
INFORMATION CONTAINED IN THE VEHICLE
IDENTIFICATION NUMBER .................................. 6
DIGIT MEANING .................................................... 7
POSITION OF THE WARNING ADHESIVE
LABELS ................................................................. 8
WARNING ADHESIVE LABELS CHART ............... 9
APRILIA S.P.A. - EMISSION CONTROL
SYSTEM WARRANTY STATEMENT ..................11
MANUFACTURER’S EMISSIONS
SYSTEM WARRANTY COVERAGE.................... 11
OWNER’S WARRANTY RESPONSIBILITIES ..... 11
APRILIA S.P.A. - LIMITED WARRANTY ON
EMISSION CONTROL SYSTEM.......................... 12
GENERAL INSTRUCTIONS .........................14
GENERAL INDEX ................................................ 15
BASIC SAFETY RULES....................................... 18
CLOTHING ........................................................... 23
ACCESSORIES.................................................... 24
LOAD.................................................................... 24
ARRANGEMENT OF THE MAIN ELEMENTS26
LOCATION OF INSTRUMENTS/CONTROLS 28
INSTRUMENTS AND INDICATORS............. 29
MULTIFUNCTION DIGITAL COMPUTER............ 30
MULTIFUNCTION DIGITAL COMPUTER............ 31
INSTRUMENTS AND INDICATORS TABLE........ 33
MAIN INDEPENDENT CONTROLS .............. 35
CONTROLS ON LEFT HANDLEBAR................... 35
CONTROLS ON RIGHT HANDLEBAR ................ 35
IGNITION SWITCH............................................... 36
STEERING LOCK................................................. 36
UNLOCKING/LOCKING THE SEAT..................... 37
HELMET COMPARTMENT / GLOVE
COMPARTMENT.................................................. 37
GLOVE COMPARTMENT .................................... 37
ANTITHEFT HOOK .............................................. 38
BATTERY COMPARTMENT / TOOL KIT............. 38
BAG HOOK........................................................... 38
ACCESSORIES & ................................................ 39
MAIN COMPONENTS .................................. 40
FUEL..................................................................... 40
LUBRICANTS ....................................................... 41
TRANSMISSION FLUID ....................................... 41
MIXER OIL............................................................ 41
BRAKE FLUID - RECOMMENDATIONS.............. 42
DISK BRAKES...................................................... 43
COOLANT ............................................................ 44
CHECKING AND TOPPING UP ........................... 45
TIRES ................................................................... 46
CATALYTIC MUFFLER ........................................ 47
EXHAUST MUFFLER........................................... 47
INSTRUCTIONS FOR USE .......................... 48
PRE-RIDE CHECKS CHART ............................... 48
STARTING............................................................ 49
STARTING OFF AND RIDING ............................. 51
RUNNING-IN ........................................................ 53
STOPPING ........................................................... 54
PARKING.............................................................. 54
PLACING THE VEHICLE ON THE STAND.......... 55
SUGGESTIONS TO PREVENT THEFT ............... 55
MAINTENANCE........................................... 56
SCHEDULED MAINTENANCE CHART ...............57
IDENTIFICATION DATA.......................................59
REAR WHEEL ...................................................... 62
CHECKING THE BRAKE PADS FOR WEAR ......63
REMOVING THE FRONT COVER ....................... 64
REMOVING THE REAR BRAKE CALIPER.......... 64
REMOVING THE EXHAUST MUFFLER .............65
REMOVING THE EXHAUST MUFFLER ............65
IDLING ADJUSTMENT ........................................66
ADJUSTING THE THROTTLE CONTROL........... 66
SPARK PLUG.......................................................67
BATTERY ............................................................. 68
PROLONGED INACTIVITY OF THE BATTERY ..68
REMOVING THE BATTERY.................................68
INSTALLING THE BATTERY ............................... 69
CHECKING BATTERY FLUID LEVEL.................. 69
CHARGING THE BATTERY.................................69
CHANGING THE FUSES ..................................... 70
VERTICAL ADJUSTMENT OF THE HEADLIGHT
BEAM....................................................................71
BULBS ..................................................................71
CHANGING THE HEADLIGHT BULBS
(LOW/HIGH BEAM) .............................................. 71
CHANGING THE FRONT TURN INDICATOR
BULBS ..................................................................72
CHANGING THE REAR TURN INDICATOR
BULBS ..................................................................73
CHANGING THE TAIL LIGHT / STOP BULBS..... 74
TRANSPORT............................................... 75
DRAINING THE FUEL TANK ............................... 75
CLEANING .................................................. 76
PROLONGED PERIODS OF INACTIVITY ...........77
TECHNICAL DATA...................................... 78
LUBRICANT CHART ............................................ 81
WIRING DIAGRAM - SR 50 DITECH ..................82
WIRING DIAGRAM KEY - SR 50 DITECH .......... 83
CABLE COLOUR.................................................. 83
SCOOTER WIRING DIAGRAM - SR 50
PUREJET .............................................................84
use and maintenance SR 50 R
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WIRING DIAGRAM KEY - SR 50 PUREJET ...... 85
CABLE COLOUR ................................................. 85
SCOOTER WIRING DIAGRAM - SR 50 ............. 86
SCOOTER WIRING DIAGRAM KEY - SR 50 ..... 87
CABLE COLOUR ................................................. 87
AUTHORIZED DEALERS AND SERVICE
CENTERS ............................................................ 88
use and maintenance SR 50 R
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safe riding
APRum_SR50ie##ED04_##US.book Page 18 Friday, February 18, 2005 5:32 PM
BASIC SAFETY RULES
The instructions given below cover normal
operation of your vehicle and must be
carefully observed. By following these
rules you will enhance your own safety and
the safety of those around you. You will
also maximize the life and utility of your
vehicle.
Two wheeled vehicles obviously do not
provide some of the protection provided by
automobiles, therefore it is essential that
you wear appropriate protective clothing.
Especially, never operate your vehicle
without wearing your helmet, gloves, eye
protection, a heavy jacket, sturdy footwear,
and sturdy full length pants.
However, do not assume that even the
best clothing and helmet will protect you in
the event of an upset or a crash with
another vehicle. At best, this gear provides
some protection from scrapes and
scratches, but very little, if any, impact
protection.
Be sure that you meet all the requirements
prescribed by local law, including driver’s
license, minimum age, training, insurance,
taxes, vehicle registration, license plate,
etc.
When you first receive your vehicle,
practice by riding in areas where there is
little traffic. Do not attempt to ride in heavy
traffic until you are thoroughly experienced
and riding your vehicle has become
second nature to you.
Although this vehicle is legal for operation
on freeways and expressways, it is
advisable to not ride on these high speed
highways until you are thoroughly familiar
with your vehicle, and have attained a high
degree of skill in its operation.
A new vehicle must be carefully broken in,
see p.54 (BREAKING-IN).
Before starting the engine, make sure that
the brakes, clutch, transmission and
throttle controls function properly and that
the fuel and oil supply is adequate.
The exhaust system, brakes, and some
other parts of the vehicle become very hot
during operation. Do not touch any of these
parts.
Some medicines or drugs, illegal or
prescription, and alcohol significantly
increase the risk of accidents. Do not ride
while you are under the influence of
alcohol or drugs, be they illicit or
prescription.
Make sure you are in good physical
condition and not ill before riding your
vehicle. Do not ride your vehicle when you
are particularly tired or fatigued. Alcohol,
drugs and fatigue are leading causes of
vehicle accidents.
Many accidents are caused by the rider’s
inexperience and lack of training. Do not
ride your vehicle until you have received
training from a recognized training
organization such as the Motorcycle Safety
Foundation. Remember that riding a two
wheeled vehicle, though easy and fun, is
quite different from driving a car. Do not
assume that you can operate your vehicle
safely just because you are a competent
automobile driver.
Never lend your vehicle to others unless
you are sure that they are competent and
properly licensed vehicle operators.
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Observe all rules of the road. Particularly
pay attention to all warning, regulatory and
informational signs.
Avoid showing off (i.e., popping wheelies).
Especially observe speed limits, remember
that road conditions change with the
weather and wet and icy pavements are
particularly dangerous for vehicles,
especially if you are riding too fast.
Remember that automobile drivers have a
hard time seeing two wheeled vehicles, so
always give the automobile the right of
way, even if it is legally yours.
Before changing lanes, look over your
shoulder to make sure that the way is
clear. Do not rely exclusively on the rearview mirror: you may miscalculate the
distance and speed of a vehicle, or you
may even not see it at all.
Avoid obstacles that could damage the
vehicle or make you lose control.
Do not tailgate, do not attempt to increase
your gas mileage by following in the slip
stream of cars or trucks in front of you.
In case of accident motorcycles, scooters
and mopeds do not provide the same
degree of protection ensured by
automobiles. The legs, in particular, are
exposed the risk of being injured.
However, the additional installation of leg
guards may actually increase the risk of
injuries and their seriousness in case of
accident.
Do not install leg guards available on the
market of spare parts and accessories.
Non-compliance with these instructions
may result in serious injuries or even
death.
Always ride with both hands on the
handlebars and feet on the footrests.
Never shift gear without using the clutch, if
the vehicle is so equipped. Do not operate
the shift lever or the other controls
suddenly or abruptly. Such misuse can
damage the internal components of the
vehicle and consequently cause seizure,
loss of control, accidents and serious
injuries or even death.
Remain in the seat when you are riding. Do
not stand up or attempt to stretch while you
are riding your vehicle. If you need to rest,
pull over to the side of the road when it can
be safely done.
use and maintenance SR 50 R
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OIL
COOLER
It is very important to your safety that you
give full attention to the riding task. Watch
what you are doing, do not allow yourself to
be distracted by other cars, people or
things on the roadside, etc. Never smoke,
eat, drink, read, etc. while riding your
vehicle. If you must consult a map, pull
over when it can be done safely.
Use only the vehicle’s specific fuels and
lubricants indicated in the “LUBRICANT
CHART”; check the oil, fuel and coolant
levels regularly.
If the throttle sticks open, it may cause a
collision with another vehicle, or an upset.
If the throttle sticks, kill the engine with the
engine stop switch located on the right
handlebar.
Do not attempt to restart the engine until
the throttle has been repaired and works
perfectly. Failure to obey this warning can
lead to a runaway with seriously injuries or
even death.
use and maintenance SR 50 R
20
WARNING
In the event of a throttle sticking
emergency, always kill the engine using
the engine stop switch located near the
throttle grip on the right handlebar.
Never use your vehicle if the throttle
does not automatically fully return to
the idle position when the throttle grip
is released. Contact your Local aprilia
Dealer for repairs. Failure to heed this
warning can lead to a serious accident
and subsequent injury or even death.
If you and your vehicle are involved in an
accident, insure that there has been no
damage to the control levers, tubes, wires,
braking system and other vital parts. If your
vehicle is involved in an accident, take it
immediately to your Local aprilia Dealer
who has the equipment and knowledge to
check for accidental damage which may
compromise your safety.
Your aprilia dealer is ready and able to
help you with any safety problems that you
might have, but of course it is necessary
for you to report any malfunctions to your
mechanic in order for him to help you.
Do not use your vehicle if it is damaged. A
damaged vehicle may become unstable or
present other problems which can increase
the risk of accident, and therefore of
serious injury or even death.
APRum_SR50ie##ED04_##US.book Page 21 Friday, February 18, 2005 5:32 PM
ONLY ORIGINALS
A12
345
Do not attempt to modify the position,
angle or color of your license plate. Do not
cover it with even a clear plastic covering.
Do not modify any of the safety equipment
of your vehicle, especially such safety
related items as directional indicators, rear
view mirrors, lights or horns.
Any modification to your vehicle will
invalidate the warranty.
Do not modify your engine in an attempt to
increase the horsepower. This can result in
irreparable damage to the engine, as well
as degradation of the performance and
handling of the vehicle which could lead to
an upset, and serious injury or even death.
Have your vehicle repaired only with
original parts, and use only original aprilia
or aprilia approved accessories. The use
of aftermarket accessories and parts can
seriously compromise the safety of your
vehicle as well as its performance and
serviceability. Any modification which
affects performance or safety voids your
warranty completely.
Tampering with the emissions or noise
control systems on your vehicle is against
the law, and can be punished by large
fines.
In some jurisdictions, it can even lead to
the confiscation of your vehicle.
This vehicle was not designed to be
equipped with a sidecar or to be used to
tow trailers or other vehicles.
aprilia does not manufacture sidecars or
trailers and therefore cannot predict the
effects of such accessories on the
manoeuvrability or stability of the vehicle: it
can only warn that such effects may be
negative and that any damage to the
vehicle components caused by the use of
such accessories will not be covered by
the warranty.
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Never race other vehicles with your
vehicle.
Brake with both the front and rear brakes.
The use of one brake only for sudden
braking may cause the vehicle to skid or
make the rider lose control of the vehicle
itself.
When riding down a steep hill, use the
engine as a brake by selecting the same
gear, or a lower gear, than you would use
to climb the hill. Use front and rear brakes
sparingly.
use and maintenance SR 50 R
22
Always ride at the appropriate speed and
avoid unnecessary hard acceleration. This
not only is safer, but also reduces fuel
consumption and increases the life of the
vehicle.
If you must ride your vehicle in rainy
weather, or on loose surfaces, remember
that traction is greatly reduced. Under
these conditions, all handling of the vehicle
must be done gradually and smoothly.
Sudden acceleration, braking or turning
may make you lose control of your vehicle.
When traction is reduced, accelerate and
slow using your vehicle’s engine braking
insofar as possible. Avoid rapid, harsh
application of the brakes.
Gradually open and close the throttle, to
avoid spinning or skidding the rear wheel.
On rough road surfaces, slow down and
ride with particular care.
Try to avoid wide open throttle
accelerations, unless they are necessary
for such things as passing.
Don’t allow your engine to “lug,” that is, run
at too low an rpm. Shift down to a lower
gear. Also, don’t over-rev the engine.
Observe the redline on the tachometer.
Remember that excessively aggressive
cornering can cause your vehicle’s tires to
lose sideways traction, which can result in
an upset and serious injury or even death.
APRum_SR50ie##ED04_##US.book Page 23 Friday, February 18, 2005 5:32 PM
Always observe posted and statutory
speed limits, but do not assume that you
can ride as fast as the speed limit under all
road conditions. Slowing down a little can
greatly increase your safety under all road
conditions.
Do not ride your vehicle off road.
Do not tamper with the muffler system or
the emissions control system of your
vehicle. This is not only bad for the
environment, it can subject you to serious
penalties.
CLOTHING
Before riding your vehicle, ensure that your
riding gear is in good condition. To be
effective, your helmet must fit properly, and
the visor or other eye protection must be
clean.
Both research and experience have shown
that drivers of other vehicles often do not
see vehicles or riders. In order to make
yourself more conspicuous to these
drivers, wear bright reflective clothing,
such as a reflective vest, or clothing with
reflective sections sewn into the jacket,
pants and gloves. Be particular aware of
approaching automobiles and trucks that
might be trying to turn left in front of you.
Many vehicle accidents are caused by an
opposing automobile driver making a left
turn without warning in front of the vehicle.
Inevitably, the driver will look right at you,
and yet swear that they did not see you
before they turned directly into your path.
Ride alert!
Wear protective clothing, preferably in light
and/or reflecting colors. In this way you will
make yourself more visible to the other
drivers, thus notably reducing the risk of
being knocked down, and you will be more
protected in case of fall.
Always wear your crash helmet. Many
accidents are fatal because of injuries to
the head.
This clothing should be very tight-fitting
and fastened at the wrists and ankles.
Strings, belts and ties should not be
hanging loose; prevent these and other
objects from interfering with driving by
getting entangled with moving parts or
driving mechanisms.
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Do not carry sharp objects in your pockets
that could be dangerous in case of an
upset, for example, pens or mechanical
pencils, etc. Also, make sure that your
passengers follow this recommendation.
ACCESSORIES
The owner of the vehicle is responsible for
the choice, installation and use of any
accessory.
The installation of inappropriate
accessories or the overloading of the
vehicle may result in the instability of the
vehicle itself and cause accidents with
consequent risk of serious injuries or even
death. Windshields could be particularly
dangerous, as they can break and injure or
cut the rider in case of accident. In case of
doubts with regard to any accessory you
would like to install or any load you would
like to carry, previously consult your Local
aprilia Dealer.
use and maintenance SR 50 R
24
Avoid installing accessories that cover
horns or lights or that could impair their
functions, limit the suspension stroke and
the steering angle, hamper the operation of
the controls and reduce the distance from
the ground and the angle of inclination in
turns.
Avoid using accessories that hamper
access to the controls, since this can
prolong reaction times during an
emergency.
Fairings and windshields installed on the
vehicle may produce aerodynamic forces
that will affect the stability of the vehicle
during use, especially at high speeds.
Make sure that anything you carry on your
vehicle is securely attached, and cannot
come lose and jam the wheels, forks, etc.
Do not install any electrical accessories,
and do not modify the electrical system of
your vehicle. Anything that could cause an
electrical overload or other fault could
cause the vehicle to suddenly stop, the
lights to dim or quit, or the horn and other
safety accessories not to work. Use only
genuine aprilia accessories.
LOAD
Do not overload your vehicle. Attach
luggage or packages as close as possible
to the center of your vehicle and distribute
the load from side to side as evenly as
possible, to keep imbalance to a minimum.
Remember that loads tend to loosen with
riding, so frequently check the security of
your load.
APRum_SR50ie##ED04_##US.book Page 25 Friday, February 18, 2005 5:32 PM
KG!
Do not hang anything from your vehicle
handlebars, fenders, or forks, because this
will upset the handling of your vehicle, and
could prevent you from avoiding an
accident. Failure to heed this warning can
lead to an upset with subsequent serious
injury or even death.
Do not ride with your crash helmet hung
from the strap because it could easily foul
the wheels, fenders, or forks, causing an
upset and subsequent serious injury or
even death.
Carry a passenger only if your vehicle is
equipped with passenger footpegs,
handgrips for the passenger to hold on to,
and a passenger saddle.
When carrying a passenger, remember
that your vehicle’s handling is degraded,
that the brakes are less efficient, and the
center of gravity is higher and further to the
rear.
This makes it more likely that the front
wheel will come up off the ground,
especially on acceleration. Therefore, you
should avoid hard acceleration and hard
braking. Many accidents are caused by
inexperienced riders carrying passengers.
Remember that allowance must be made
for the extra weight of the passenger for all
driving maneuvers.
Avoid abrupt and excessive acceleration.
Always slow down in time and calculate
longer stopping and maneuvering
distances. Non-compliance with these
instructions may lead to the overturning of
the vehicle or to other accidents with
consequent serious injuries or even death.
Never carry loosely packaged items, make
sure that everything that you carry on your
vehicle is carefully secured.
Do not carry packages which protrude from
the luggage rack or which cover any of the
signal lights, the headlight, or the horn.
Never carry animals or children on the
glove compartment or on the luggage rack.
Never exceed the labeled maximum load
for each saddlebag.
Overloading your vehicle seriously reduces
its stability and maneuverability and can
lead to an upset with subsequent serious
injury or death.
use and maintenance SR 50 R
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ARRANGEMENT OF THE MAIN ELEMENTS
2
1
KEY
1) Coolant tank
2) Coolant expansion tank plug
3) Rear brake fluid reservoir
4) Mixer oil reservoir cap
3
8
4
9
11
10
5
6
7
11
10
C 364
13 12
5) Mixer oil reservoir
6) Seat lock
7) Battery compartment / tool kit cover
8) Fuel tank
9) Fuel tank filler plug
11
10) Air filter
11) Center stand
12) Left passenger footpeg
13) Side stand
-
10
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10
KEY
1) Helmet compartment / glove
compartment
2) Ignition switch/steering lock
3) Bag hook
4) Front brake fluid reservoir
C 364
1
9
8
5) Warning horn
6) Battery
7) Fuse carrier
8) Spark plug
4
5
2
3
7
6
9) Right passenger footpeg
10) Antitheft hook (for the aprilia "Body-
-
Guard" shielded cable
)
use and maintenance SR 50 R
27
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