APRILIA RX 50 RACING — 2003 MANUAL Pdf Download.

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Aprilia RX 50 Racing

Page 1

Page 2: Catalytic

(N.O.R.M.) AND 85 (N.O.M.M.) AND HIGH SYNTHETIC OIL FOR 2 STROKE ENGINES. THE USE OF AND LUBRICANTS DIFFERENT FROM INDICATED CAUSES SEVERE INCONVENIENCES TO THE VEHICLE AND THE VOIDING OF THE GUARANTEE. To have the catalytic functioning correctly for long and to reduce possible problems the contamination of the thermal unit and of the it is necessary to avoid covering distances with the engine at constantly low rpm.

Page 3: Silencer

CATALYTIC SILENCER The version of the RX50 Racign is with a silencer with catalytic converter of the #x201C;platinum-rhodium type. This device for the oxidation of the CO (carbon monoxide) and of the HC hydrocarbons) contained in the exhaust changing them into di- oxide and steam, respectively.


To keep your aprilia always in perfect operat- ing we advise you to insist on Original and to have repairs carried out by aprilia Authorized Outlets and Dealers. When ordering parts from the Dealers,

Page 5

Carefully observe the preceded by the VERSION: following signs: Italy Holland Safety norms and regulations to United Switzerland Australia the and other people from Kingdom injuries or grave United States Austria of America Caution norms and to avoid Portugal Japan.

6: Table Of Contents


Page 8

SAFETY RULES To drive the it is necessary to be in posses- sion of all the prescribed by law (driving licence, age, psychophysical ability, rance, state taxes, registration, number plate, Gradually get to know the vehicle by it first in areas with low and/or private areas.


Most road accidents are by the driver#xBB;s lack of experience. lend the vehicle to beginners in any ca- se, make sure that the has all the requirements for driving. Fig.

3 observe all road signs and and local road regulations.


Avoid obstacles that damage the vehicle or make you control. Avoid riding in the created by preceding vehicles in to increase your speed.

5 Always drive with hands on the han- dlebars and feet on the footrests (or on the rider#x2019;s in the correct driving posture.


The driver should pay attention and distrac- tions caused by things and movements (ne- ver eat, drink, read, while driving. Fig. 7 Use the vehicle#xBB;s specific fuels and indicated in the LUBRICANT CHART; all oil, fuel and coolant regularly.

Page 12

If necessary, the vehicle inspected by an Con- Ufficiale aprilia who should check the frame, handlebars, safety parts and all the devices you cannot check by yourself.


Any modification of the vehicle and/or the of original components can compromise perfor- ONLY ORIGINALS levels and safety or even it illegal. We recommend respecting all and natio- nal and local provisions the equipment of the vehicle.

Page 14

genuine accessories). Fig. 14.


LOAD Be careful and moderate loading your luggage. any luggage loaded as close as to the center of gravity of the vehicle and the load uniformly on both in order to reduce umbalan- ce to the Furthermore, make sure the load is firmly secured to the especially during long

Page 16

Do not carry any bag if it is not tightly to the vehicle. Do not carry bags protrude too much from the or which cover the lights, or indi- cators. Do not carry or children on the glove com- or on the luggage rack.

Page 17

Low can cause handling prob- INFLATION PRESSURE lems and the to weave and in Driver only cases loss of control. of drive Moreover this cause a great increase of Front Rear ing friction. 1,3 bar 1,4 bar.

Page 18: Arrangement Of The

ARRANGEMENT OF THE CONTROLS The control are positioned as indicated in fi- gures 3 and 4, as 1) Clutch lever 2) Cold control 3) Front brake 4) Twist grip 5) Rear pedal 6) Kick-starter 7) Gear Fig.

Page 19

1) Cold lever ( ) 2) Multifunction computer 3) / steering lock switch ( 4) Dimmer light switch ( ) and beam sig- nalling button ( 5) Horn push ( 6) High beam warning ( 7) Speedometer/odometer with trip 8) Neutral indicator warning ( ) 9) Mixer oil reserve warning (.

Page 20

MULTIFUNCTION COMPUTER The is provided with an automatic function. In case the vehicle or the are left unused for more 30 min- 88:88 88:88 ASS PD MS ASS PD MS AR TT AR TT the display will be automatically All the pre-set data will be stored.

Page 21

By simply the front wheel circum- two different types of vehicles, 1 and bike 2, can be stored inside the function computer memory. 88:88 Left display: (1), total distance (2), AR TT AR TT partial distance (3) and maintenance func- tions (4) can be

Page 22

START-UP SETTING system setting (KM/H or Keep the three push simultaneously pres- #x25C6; sed for 2 seconds, then press any of KM/H to start settings. left push button to the unit of mea- #x25C6;.


Setting the #x201C;WS#x201D; wheel To change the flashing value, the left push #x25C6; 11 11 Press right push to go to next value and #x25C6; then press left button again to change value. MODE Pre-set 2170.

Page 24

Time Press left push to select time displaying (24h or 12 h). Press right button to set the #x2248;hour#x2206;. Press 12:00:- — left button to change the value.

right push button to set the #x25C6;.

Page 25

Preventative check The preventative lubrication is alrea- dy pre-set after the 100 km (60 mi) for vehicle 1 and after the first 300 km mi) for vehi- cle 2. To change lubrication refer to page 30 MODE SETTING).

Page 26

Preventative check The preventative maintenance is already pre-set after the 300 km (200 mi) for vehicle 1 and after the 990 km (600 mi) for vehicle 2. To change check interval, refer to page 30 (STANDARD SETTING). left push button to the value.

Page 27

Checking the total covered (ODO) Press push button to modify the #x25C6; Press right button to shift to next #x25C6; Keep centre push button pressed for about 1.5 seconds to confirm. start total race setting (ART).

Page 28

the total race time Press left push to modify the value. #x25C6; right push button to to next value. #x25C6; Keep centre #x2248;MODE#x2206; button pressed for #x25C6; 2 seconds to confirm. Start-up is now completed.

Page 29

Programming the vehicle Keep the right button pressed for about 5 se- conds. The #x2248;WS#x2206; wheel value of the second KM/H will appear on the left The menu rela- 11:53:48 to the second vehicle will be ena- bled after a few

Page 30

STANDARD SETTING the two outer push buttons for about 2 seconds to enable the DARD SETTING programme. menu will allow you to the wheel diame- MODE the time setting, the vehicle and main- tenance interval, the distance covered (ODO) and the race time (ART).


PARAMETERS SETTING/DISPLAYING Press the MODE push button to scroll the different setting KM/H 11:53:48 MODE operation, screen (A) — the distance covered after the resetting (TT), the current ed, time and partial race (RT) — will be 0:00 Press centre button #x2248;MODE#x2206;.

Page 32

centre push button and right push but- ton pressed for about 2 seconds to to screen (D) — showing the mainte- 30:42 nance function — and press again to shift KM/H to screen (E) showing the preventative 11:49:08 tion check

Page 33

DISABLING THE SCHEDULED SERVICES Whenever the scheduled or lubrication service intervals are not the relating value will flashing on the left display. To switch this value keep the right and left button simultaneously pressed for 2 seconds. MODE Keep push button #x2248;MODE#x2206;.


CHRONOMETER The multifunction computer is with a chro- 30:42 to be displayed on screen (B) together trip meter (TT). 11:49:08 Press left button to enable chronometer. Press centre push #x2248;MODE#x2206; to display scre-

Page 35

RESETTING THE PARTIAL This function is used to the partial values stored inside the computer memory. In #x221A; Partial distance (DST) KM/H 11:53:48 Trip meter (TT) Partial race time MODE #x221A; Maximum (MS) #x221A;.

Page 36

THE PARTIAL VALUES (TRIP) The distance covered (DST) can be by increasing or decreasing the value on 30:47 the display. This can be used during compe- 11:49:13 titions to make the value match the one re- lating to the

Page 37

BACKLIGHTING Press push button to enable backlight- MODE ing, The will be automatically switched off 4 seconds. 88:88 ASS PD MS AR TT KM/H Fig. 41.

Page 38

CHANGING THE Remove headlight fairing. Loosen the 2 cross-head screws instru- #x25C6; ment and metal plate. Disconnect the connector from speedome- ter transmission unit. To remove the instrument from its holder, slightly press on LCD side.

the #x2248;sliding shoe#x2206;.

Page 39

SWITCH / STEERING LOCK / LOCK LIGHT SWITCH turn the key to the position The ignition can be turned to three positions: driving, in order to avoid First click clockwise = #x2248; (start) #x25C6;.

Page 40

CRASH-HELMET LOCK 43) Using the ignition key it is possible to access to the crash-helmet lock on the rear part of the vehicle. 43 GLOVE / TOOL COMPARTMENT

44) It is positioned on the inner part of the side of the fairing.

Page 41: For Use

After the first month of let the 1 servicing cou- that the are inflated to the correct pressure pon be by an aprilia Official Dealer. #x2248;TYRE INFLATION PRESSURE#x2206;) and the fuel tank with grade petrol (see If there is no oil left in the mixer oil NICAL DATA#x2206;).

Page 42

CHECKING OPERATIONS Component Page F r o n t a n d r e a r d i s c Check the functioning, the … of the control levers, the level and 54-55 brakes sure there are no leaks. the wear of the pads. If necessary, top up the fluid tank.

Page 43

(Fig. 45) Open the fuel on the tank (Fig. 45). Insert the ignition key and turn to #x2206; position. #x25C6; In of cold start refer to 44 (COLD #x25C6; START), the cold start control on.

gears in neutral position, indicator #x25C6;.

Page 44

push the start pedal, release it im- #x25C6; mediately. If repeat this operation engine is started. Keep brake lever pulled and do not #x25C6; throttles until

Do not accelerate abruptly with the ne cold.

Page 45

Fig. 47 riding the motor cycle we you to get to know the controls and all their as explained in this manu- al. your aprilia Offical if there is anything you do not understand.

46: Maintenance

If you need assistance or advice consult your Official Dealer, who can ensure you It is forbidden to put the vehi- cle on the stand being seated on it.

Page 47

24 (after 1 month) OPERATIONS TO BE Battery — Terminal — #x221A; Electrolyte RIED OUT BY THE aprilia Of- ficial (WHICH CAN BE every 3 months: plug every 6 months: OUT EVEN BY THE USER).

Page 48

TO BE CAR- End of running- Every Component in period RIED OUT BY THE Of- 12 months 24 months (after 1 ficial Dealer. Rear absorber #x221A; #x221A; #x221A; #x221A; Transmission and controls #x221A;.

Page 49: Data

IDENTIFICATION DATA It is a rule to write down the and engine numbers in the space in this manual. The frame can be used for the purchase of spare Do not alter the identification numbers if you do not to incur severe penal and sanctions.

Page 50

#x25C6; In of oil leakages or malfunctions, Place a large container (min. cm #x25C6; contact your Official Dealer. under the to catch the old oil. Unscrew the plug (3) placed on the bottom.

Page 51

(Fig. 52). If it is not to adjust the clutch by means of the contact your aprilia Dealer Fig.

51 The clutch must be adjusted it does not re- lease correctly and the tends to move even the clutch pulled.

Page 52

LUBRICATION (Fig. 53-56) Top up the oil tank every 500 km. The vehicle has a lubrication system which an mixer oil tank (Fig.

53) with a re- serve of 0,5 ) and a variable-capacity oil pump (the capacity according to the number of revs of the and the opening of the throttle) (Fig.


Unscrew the drainage screw (1) and at the #x25C6; time completely the pump control lever (2) the oil drains off, then the screw again. Keep the lever rotated until all of air #x25C6; bubbles have disappeared from the carburettor pipe.

Page 54

(3). THE REAR BRAKE Check the efficiency. (Fig. 55) If necessary, your aprilia Official The brake pedal is positioned during the assembly phase.

If it is possible to adjust the height of

Page 55

CHECKING AND BLEEDING THE AND REAR BRAKE (Fig. 56) The is provided with a hydraulically front and rear disc The brake fluid level in the tank must be checked time to time.

After the 500 km or whenever an excessive #x25C6;.


CHECKING THE BRAKE PAD WEAR 57) Check brake pads for every 2,000 km. In case of use, with mud or sand, brake pads after ride.

The pads present a that must always be ble.

Page 57

From on the rear part, for rear cali- #x25C6; per. The wear of the friction mate- would cause the contact of the pad support with the disc, conse- quent metallic and production of sparks from the

Aprilia RX 50 Racing

Page 58

ADJUSTING THE REAR (Fig. 59) The rear suspension a single spring- shock unit and a lever unit A.P.S. The standard rear is suitable for a driver weighing 75 kg.

In case your weight or style are different from the setting, change shock spring length by turning nut (4) and (5) or rebound adju- ster by knob (1).

Page 59

ADJUSTMENT (Fig. 60) Stand the in an upright position and com- pletely extend the rear Check that the vertical in the lower part #x25C6; of the at a point mid-way between the ion and the crown, is about 30-35 mm.

If distance is not correct, proceed as Loosen the rear wheel pin nut.

Page 60

CHAIN (Fig. 61) Proceed to chain frequently (see #x2248;LU- CHART#x2206;), every 4,000 km, time the vehicle is used on mud or sand. Fig. 61 CHAIN (Fig.

62) From time to check the wear condition of the

Page 61

AIR FILTER REMOVING AND (Fig. 63) The correctly performed and cleaning of the air filter is of fundamental for good engine performance. 4000 km, or according to conditions of clean the filtering element as Unscrew and remove the saddle nut posi- #x25C6;.

Page 62

CHECKING Every 2000 km or using the vehicle in difficult check the coolant level cold engine; change the every two years. Do not use the vehicle if the is be- low the minimum allowed level. The level must be included 1/4th and 3/4ths of the expansion capacity.

Page 63

Do not exceed this otherwise the fluid will when the engine is run- Put back the plug on the expansion #x25C6; If it is necessary to top up the coolant too contact your aprilia Dealer for a check.

Page 64

THE COOLANT (Fig. 65-66) To the coolant (every 2 years): the radiator filling plug 65). #x25C6; Remove the tank plug. #x25C6; Put a with at least 1,5 capacity, #x25C6; the drain screw 66).

Unscrew the drain thus draining the circuit

Page 65

SPARK PLUG (Fig. 67) From time to remove the spark plug the wrench provided and eliminate the from the space between the insulator of the central electrode and the of the plug. Use a feeler gauge to that the distance be- tween the is 0.6 #x221A;.

Page 66

The minimum of the engine (idling) must be 1500 rpm. By twisting the accelerate and decelerate #x25C6; a few to verify the correct functioning and to if the idling speed is constant. If contact your aprilia Dealer.

Page 67

ADJUSTING THE CONTROL (Fig. 69) The slack of the control must be about 2- 3 mm, on the the twist grip. To adjust the proceed as follows: Remove the element (1). #x25C6; the nut (2). #x25C6;.

Page 68: System

ELECTRICAL SYSTEM For efficiency (Fig. 70) it is very that the correct load of be observed and that maintenance be ried out properly. If the following are scrupulously observed, the battery will be considerably prolonged. the vehicle for the road, charging the tery: It is important to let the battery sit for at 3 -.

Page 69

Battery shall be kept FULLY CHARGED. MAINTENANCE #x25C6; During proceed to battery charging at It is important to check the level of the #x25C6; once a month. at once a month or even frequently It is also a good to recharge the battery from the summer months.

Page 70

REPLACEMENT (Fig. 71) The fuse A) is positioned under the saddle. If any ceases to operate, check the that protects the circuit.

If the is burnt-out the filament will be Before replacing the fuse, if possible, for the cause of the fault.


ADJUSTING THE HEADLIGHT BEAM 72-73) To rapidly check the direction of the beam, place the on flat ground, 10 m away a wall.Turn on the low beam, sit on the vehicle and ify that the headlight beam on the wall is slightly under the line of the headlight (about of the total length —

Page 72

CHANGING THE HEADLIGHT (Fig. 74) To change the low and high bulbs, proceed as follows: To the bulb electric connector, do not its electric wires. Grasp the electric connector (6), it and di- #x25C6; sconnect it from the (2).

Page 73

PARKING BULB To extract the bulb do not pull its electric wires. the bulb socket, pull and it from #x25C6; its seat. the parking light bulb (9) and it #x25C6; with one of the same


Page 74: Cleaning, Inactivity

CLEANING LONG We advise cleaning the vehicle not only If the vehicle has to remain for several for the sake of its appearance, but because months, we advise: helps to keep your in good Clean and protect the parts with polish;.

75: Technical Features

TECHNICAL MOTOR CARBURETTOR Model. AM6 Dell#xBB;Orto PHBN 16 Type. 2 single-cylinder Diffuser. #xC6; 16 mm lamellar inlet AIR FILTER Liquid with forced Lubrication.

Separate Sponge / …. 40,3 mm / 39 mm Displacement. cm IGNITION Compression ratio.


LUBRICATION BRAKES Gearbox and transmission. 820 cm of oil (*) Front. disc #xC6; 230 mm with hydraulic COOLING and floating caliper two parallel pins Rear. brake #xC6; 220 mm Cooling capacity. 0,9 with hydraulic (60% antifreeze + 40% water) and caliper Minimum operating -17#xB0;C.

Page 77

DIMENSIONS LIGHTS Max. length. mm Gear in neutral. 12 V — 2 W width. 820 mm Direction indicators. 12 V 2 W Max. height to handlebars. mm Low beam. 12 V — 2 W Seat

Page 78

LUBRICANT CHART oil (recommended): F.C. SAE 75W — 90 or SYNTH, SAE 75W — 90. As an alternative to the oil, it is possible to use high-quality with characteristics in compliance or superior to the A.P.I. GL-4

Mixer oil (recommended): GREEN HIT 2 or 2T.

Page 79

IMPORTERS APRILIA via G. 1 — 30033 Noale Italy Tel. +39(0)41 — Fax +39(0)41 441054 Servizio Clienti aprilia 5079821 APRILIA WORLD UK branch 15 Gregory Way — SK5 7ST — Cheshire Tel. 475 1800 — Fax 0044-161 475 — Email: massimo_granata@aprilia.com.


Tel. 0032-9-2829410 — 0032-9-2810012 — Email: T.M.P. Hammervej 32 — — Nikobing Mors 0045-97-722233 — Fax.

— Email: thomas@aprilia.dk NAKKILA OY P.o.B. 18 — — Nakkila Tel. — Fax. 00358-2-5372793 Email: satu.saarinen@aprilia.fi RO GROUP operativa)

Page 81

Tel. — Fax. 0027-11-7868482 Email: motovelo@betech.co.za APRILIA DE SA. de CV. San Jeromino — 64640 552 Monterrey N.L. Tel. — Fax.

0052-818348-9398 sbertu Email: javier@aprilia.com.mx KOREA CO. LTD. YeungSoo 302 #206-25, Ohjang-Dong, Chung-Ku Tel.

Page 82

IMPORTERS INTERNATIONAL LTD. 235, Road — Southampton 001-4412385050 — Email: MAJESTIC AUTO LIMITED KM Stone — G.T.

— P.O.Dujana — Dadri — Ghaziabad UP 0091-98100-19315 — Fax. MOTOMANIA, S.A. BOULEVARD 4-19, ZONA 9 1009 CITY Tel.

Page 83

Pages or the map provided at our web site: When you demand aprilia Parts, you are purchasing products have been developed and te- as early as the vehicle design aprilia Original Parts undergo strict quality

Aprilia RX 50 Racing
Aprilia RX 50 Racing
Aprilia RX 50 Racing
Aprilia RX 50 Racing
Aprilia RX 50 Racing

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