APRILIA RS 125 - 1998 Manual
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APRILIA RS 125 - 1998 Manual

APRILIA RS 125 - 1998 Manual

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RS 125
use maintenance
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book
aprilia part# 8102937

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Summary of Contents for APRILIA RS 125 - 1998

  • Page 1 RS 125 use maintenance book aprilia part# 8102937...
  • Page 2 © 1998 aprilia s.p.a. - Noale (VE) 3!&%49 7!2.).'3 4%#(.)#!, ).&/2-!4)/. The following precautionary warnings are The operations preceded by this used throughout this manual in order to symbol must be repeated also on convey the following messages: the opposite side of the vehicle.

  • Page 3: Identification Data

    Countries. Japan country (I, UK, A, ...). In some countries the antipollution and are to be supplied to the aprilia Offi- and noise regulations in force re- cial Dealer as reference data for the pur- quire periodical inspections.

  • Page 4: Table Of Contents

    4!",% /& #/.4%.43 SAFE DRIVE ............5 AUTOMATIC SPARK PLUGS .......... 64 e ..34 BASIC SAFETY RULES ....... 6 LIGHT SWITCHING VERSION BATTERY ........... 65 o A ..34 CLOTHING ........... 9 CATALYTIC SILENCER LONG INACTIVITY A ....34 ACCESSORIES ..........
  • Page 5 safe drive...
  • Page 6 "!3)# 3!&%49 25,%3 The use of medicins, alcohol and drugs or Most road accidents are caused by the psychotropic substances notably increases driver’s lack of experience. To drive the vehicle it is necessary to be in the risk of accidents. NEVER lend the vehicle to beginners and, possession of all the requirements pre- Be sure that you are in good psychophysi-...
  • Page 7 Rigorously observe all road signs and na- Avoid obstacles that could damage the ve- Always drive with both hands on the han- tional and local road regulations. hicle or make you lose control. dlebars and both feet on the footrests (or Avoid abrupt movements that can be dan- on the rider’s footboards), in the correct Avoid riding in the slipstream created by...
  • Page 8 If necessary, have the vehicle inspected by an aprilia Official Dealer, who should care- fully check the frame, handlebars, suspen- sions, safety parts and all the devices that you cannot check by yourself.

  • Page 9: Clothing

    ONLY ORIGINALS #,/4().' Never change the position, inclination or Any modification of the vehicle and/or the colour of: number plate, direction indica- removal of original components can com- Before starting, always wear a correctly tors, lights and horns. promise vehicle performance levels and fastened crash helmet.

  • Page 10: Accessories

    (aprilia genuine accessories).
  • Page 11 Avoid hanging bulky, heavy and/or danger- Do not carry any bag if it is not tightly se- Do not exceed the maximum load allowed ous objects on the handlebars, mudguards cured to the vehicle. for each side-bag. and forks, because the vehicle might re- Do not carry bags which protrude too much When the vehicle is overloaded, its stability spond more slowly in turns and its ma-...
  • Page 12 !22!.'%-%.4 /& 4(% -!). %,%-%.43 1) Dashboard 8) 2 stroke oil tank 12) Rider left footrest 2) Left rear-view mirror 9) 2 stroke oil tank plug (with spring, always open) 3) Ignition switch/steering lock 10) Glove/tool kit compartment 13) Shifting lever 4) Battery 11) Passenger left footrest 14) Side stand...
  • Page 13 1) Passenger right footrest 6) Fuel tank plug 12) Rear brake control lever (snapping, closed/open) 7) Expansion tank 13) Rider right footrest 2) Crash helmet cable 8) Coolant expansion tank plug (with spring, always open) 3) Rider saddle 9) Right rear-view mirror 14) Drive chain 4) Air cleaner 10) Front brake fluid tank...
  • Page 14 !22!.'%-%.4 /& 4(% ).3425-%.43#/.42/,3 1) Ignition switch/steering lock ( 8) Clutch lever 2) Cold start lever ( 9) Instruments and indicators 3) Direction indicator switch ( 10) Front brake lever 4) Horn push button ( 11) Throttle grip 5) LAP push button (chronometer) 12) Start push button ( 6) Dimmer switch ( 13) Light switch (...
  • Page 15 ).3425-%.43 !.$ ).$)#!4/23 1) Multifunction computer programming push buttons 7) Blue high beam warning light ( 8) Amber “side stand down” warning light ( \ ) 2) Multifunction digital display (coolant temperature - clock - battery voltage - chronometer) 9) Partial kilometres odometer 3) Revolution counter 10) Odometer trip control 4) Red 2 stroke oil reserve warning light LED (...
  • Page 16 Multifunction If the writing " " appears on the display, contact an aprilia Official Dealer, who p. 17 (MUL- digital display will check the coolant thermistor and/or the electrical connection circuit. TIFUNC- TION COM- Indicates the hour and minutes according to the presetting, see p.
  • Page 17 Chronometer If the writing " " appears on the dis- lowing functions are operated, in their re- play, contact an APRILIA Official Dealer, spective order: O (coolant temperature) who will check the coolant thermistor and/or the electrical connection circuit.
  • Page 18 VBAT (battery voltage) TIME (setting hour/minutes) LAP TIME (chronometer) By pressing the push button for the By pressing the push button for the By pressing the push button for the second time, the battery voltage (10), ex- third time, the hour and minutes (12) are fourth time, the “LAP TIME”...
  • Page 19 How to delete the stored data. It is possible to carry out up to How to use the “LAP TIME” function (only for races in places that are closed To delete the stored data, press the 10 timings. /  to traffic).
  • Page 20 -!). ).$%0%.$%.4 #/.42/,3 3) DIMMER SWITCH ( When the light switch is in position “ ”, see p. 21 (CON- TROLS ON THE RIGHT PART OF THE HANDLEBAR): if the dimmer switch is in position " ”, the high beam comes on, while if it is in position "...

  • Page 21: Controls On The Left Part Of The Handlebar

    #/.42/,3 /. 4(% 2)'(4 0!24 /& 4(% (!.$,%"!2 The electrical parts work only when the ignition switch is in position " ". 1) ENGINE STOP SWITCH ( Do not operate the engine stop switch “ ” in running conditions. This is a safety or emergency switch. With the switch in position "...

  • Page 22: Ignition Switch

    Position Function removal The steer- It is possi- ing is ble to locked. remove the It is neither key. possible to start the Steering engine, nor lock to switch on the lights. Neither the It is possi- )'.)4)/. 37)4#( 34%%2).' ,/#+ engine, nor ble to the lights...

  • Page 23: Crash Helmet Hook

    !58),)!29 %15)0-%.4 #2!3( (%,-%4 (//+ ',/6%4//, +)4 #/-0!24-%.4 2%!2 -5$'5!2$ %84%.3)/. (in the countries where required) Thanks to the crash helmet hook, you no The glove/tool kit compartment is posi- longer have to carry the crash helmet with tioned under the rider saddle; to reach it: The extension of the rear mudguard (5) is you every time you park the vehicle.
  • Page 24 To perform some specific operations, it is Special socket Clutch clearance advisable to use the following special spanner (1) adjustment. tools (to be requested to an aprilia Official Rear support Rear wheel disassembly. Dealer): stand (2) Drive chain adjustment. Front support Front wheel disassembly.
  • Page 25 42!.3-)33)/. /), -!). #/-0/.%.43 Check the transmission oil level every &5%, 4000 km (2500 mi), see p. 48 (CHECK- ING THE TRANSMISSION OIL LEVEL The fuel used for internal com- AND TOPPING UP). bustion engines is extremely in- Change the transmission oil after the first flammable and in particular con- 1000 km (625 mi) and successively every ditions it can become explosive.

  • Page 26: Disc Brakes

    Prevent water or dust from accidentally every trip. getting into the circuit. The brake fluid must be changed once a year by an APRILIA Official Dealer. In case maintenance operations are to be performed on the hydraulic circuit, it is advisable to use latex gloves.

  • Page 27: Front Brake

    APRILIA Official Dealer, since it may be Make sure that the fluid level exceeds Remove the gasket (2). the “MIN” mark.
  • Page 28 “MIN” mark. The brake fluid is hygroscopic there is air in the circuit, contact your APRILIA Official Dealer, since it may be If the fluid does not reach the “MIN” and when in contact with the air it ab- mark, provide for topping up.

  • Page 29: Stroke Oil Tank

    Loosen the nuts (3, 4). tank or if the mixer oil pipe has been re- TANK CAPACITY: 1.4 Rotate the rod and adjust the shifting le- moved, contact an APRILIA Official Deal- ver height. TANK RESERVE: 0.35 er, who will provide for bleeding the Tighten the nuts (3, 4).
  • Page 30 (5) reaches the desired Check the braking efficiency. about 10÷15 mm (see figure). height. If necessary, contact an APRILIA Tighten the nut (8) (by unscrewing it) and Lock the brake adjuster (2) by means of Official Dealer. lock the adjuster (6).
  • Page 31 If it is not possible to obtain a correct adjustment or if the clutch does not function proper- ly, contact your APRILIA Official Dealer. Make sure that the clutch cable is intact: it must not present flat- tened parts and the sheath must not be worn out in any point.

  • Page 32: Coolant

    #//,!.4 Have the coolant changed by an APRILIA Official Dealer. Do not use the vehicle if the coolant is below the minimum prescribed level. The coolant is made up of 50% water and 50% antifreeze. Check the coolant level every 1500 km This mixture is ideal for most running tem- (935 mi) and after long rides;...
  • Page 33 (see figure). ing during turns. out by an APRILIA Official Dealer or by a If not, unscrew and remove the filling If, on the contrary, the inflation pressure qualified tyre repairer.
  • Page 34 " (front tem increases, immediately contact your low beam). This device provides for the oxidation of aprilia Official Dealer. the CO (carbon monoxide) and of the HC (unburned hydrocarbons) contained in the exhaust gases, changing them into carbon dioxide and steam, respectively.
  • Page 35 Check and/or top up if necessary. 29, 46, 47 transmission oil Do not hesitate to consult your APRILIA Wheel/tyres Check the tyre surface, the inflation pressure, wear and tear and any damage. Official Dealer in case there is some-...

  • Page 36: Starting

    34!24).' Let the stand up. To avoid excessive consumption Get on the vehicle. of the battery, do not keep the Exhaust gases contain carbon Move the fuel tap lever (1) to position start push button “ ” pressed for more monoxide, which is extremely "ON".
  • Page 37 STARTING WITH COLD ENGINE When the room temperature is low (about 0 °C), it may be difficult to start the engine at the first attempt. In this case: Rotate the cold start lever “ ” (6) down- wards. Press the start button “ ”...
  • Page 38 $%0!2452% !.$ $2)6% This vehicle is considerably powerful and must be used grad- ually and with the greatest care. Do not place objects behind the front part of the fairing. Before departure, carefully read the "safe drive" chapter, see p. 5 (SAFE DRIVE).
  • Page 39 The downshifting should be carried out in the following situations: When riding downhill or when braking, in order to increase the braking action by using the compression of the engine. When riding uphill, if the gear engaged is not suitable to the speed (high gear, moderate speed) and the engine rpm de- creases.
  • Page 40 Avoid opening and closing the Before beginning to turn, slow Pay the utmost attention to any throttle grip repeatedly and con- down or brake driving at moder- obstacle or variation of the tinuously, so that you do not ac- ate and constant speed or accel- ground.

  • Page 41: Regular Service Intervals Chart

    25..).' ). After the first 1000 km (625 mi) , carry out the checking opera- The running-in of the engine is important to tions indicated in the column ensure its correct functioning. "After running-in" of the REGULAR If possible, drive on hilly roads and/or SERVICE INTERVALS CHART, see p.
  • Page 42 35''%34)/.3 4/ 02%6%.4 4(%&4 NEVER leave the ignition key inserted and always use the steering lock. Park the vehicle in a safe place, possibly in a garage or a protected place. When possible, use an additional anti-theft device. Make sure that all documents are in order and the road tax has been paid.
  • Page 43 Ask your aprilia Official Dealer to test the erations in reverse order. possible, lift the vehicles with the prop- vehicle on the road after a repair or period- In case any maintenance operation ic maintenance operation.
  • Page 44 (2500 mi) (5000 mi) OPERATIONS TO BE CARRIED OUT BY (625 mi)] or 12 months or 24 months THE APRILIA Official Dealer (WHICH Battery - Terminal fastening - – CAN BE CARRIED OUT EVEN BY THE Electrolyte level USER). Spark plug...
  • Page 45 OPERATIONS TO BE CARRIED OUT BY After run- Every 4000 km Every 8000 km THE APRILIA Official Dealer. Component ning-in [1000 (2500 mi) or 12 (5000 mi) or 24 km (625 mi)] months months Rear shock absorber – – = check and clean, adjust, lubricate or Carburettor –...
  • Page 46 )$%.4)&)#!4)/. $!4! ENGINE NUMBER FRAME NUMBER It is a good rule to write down the frame The engine number is stamped on the up- The frame number is stamped on the right and engine numbers in the space provided per part of the crankcase, on the left side. side of the steering column.
  • Page 47 0/3)4)/.).' 4(% 6%()#,% /. 0/3)4)/.).' 4(% 6%()#,% /. 4(% 2%!2 3500/24 34!.$ m 4(% &2/.4 3500/24 34!.$ m & Screw and tighten the pin (1) in the Position the vehicle on the appropriate & appropriate seat on the rear fork. rear support stand , see beside (PO- SITIONING THE VEHICLE ON THE...
  • Page 48 CHECKING TOPPING UP If it were necessary to top up, proceed as Position the vehicle on firm and follows: flat ground. Unscrew and remove the filling cap (2). Stop the engine and let it cool down for Pour a small quantity of oil and wait at least ten minutes, in order to allow the about one minute, to allow the oil to flow oil to flow back to the oil pan and to cool...
  • Page 49 Screw and tighten the drain plug (2). Drain plug (2) driving torque: 27 Nm (2.7 kgm). Pour about 600 cm# of transmission oil through the filling opening (3), see p. 81 (LUBRICANT CHART). Tighten the filling plug (3). Start the engine, see p. 36 (STARTING) and let it idle for about one minute, in or- der to ensure the filling up of the trans- mission oil circuit.

  • Page 50: Front Wheel

    If SUPPORT STAND m). the outflow of the brake fluid. necessary, contact an APRILIA Official In this case consult your APRILIA Official Position the vehicle on the appropriate Dealer. Dealer, who will carry out the proper front support stand, see p.
  • Page 51 Position the tang (10) of the odometer APRILIA Official Dealer, in order to avoid control (9) in the appropriate seat on the Upon reassembly of the brake accidents that may be harmful for you wheel hub.
  • Page 52 In this case con- after loosening it. perature, in order to avoid burns. sult your APRILIA Official Dealer, who Withdraw the wheel pin (3) from the right will carry out the proper maintenance side.
  • Page 53 (11) is positioned correctly; the plate Rotate the support plate (10), complete APRILIA Official Dealer, in order to avoid slot must be inserted in the appropriate with brake caliper (11) and with fulcrum...
  • Page 54 Carefully read p. 43 (MAINTENANCE). chain and/or damages to the pin- that there are crushed or seized links; in this case, contact an APRILIA Of- The vehicle is equipped with a chain with ion and/or the crown. ring link joint.
  • Page 55 The crushed or seized links must be lubricated and made work again. If this is not possible, contact an APRILIA Official Dealer, who will provide for changing the chain. Check the wear of the chain tightener roller (7).
  • Page 56 2%-/6).' 4(% 2)$%2 3!$$,% 2%-/6).' 4(% 3)$% &!)2).'3 Handle the plastic and painted components with care and avoid Position the vehicle on the stand. Carefully read p. 43 (MAINTENANCE). scraping or damaging them. Insert the key (1) in the lock (2). Rotate the key (1) anticlockwise.
  • Page 57 ,)&4).' 4(% &5%, 4!.+ Move the fuel tap lever (1) to position “OFF”. Carefully read p. 25 (FUEL) and p. 43 Remove the rider saddle, see p. 56 (RE- (MAINTENANCE). MOVING THE RIDER SADDLE). Unscrew and remove the screw (2) and Risk of fire.
  • Page 58 !)2 #,%!.%2 REMOVAL CLEANING Lift the fuel tank, see p. 57 (LIFTING Clean the filtering element (4) with clean, Clean the air cleaner every 4000 km (2500 THE FUEL TANK). non-inflammable solvents or solvents mi) or 12 months, change it every 8000 km Unscrew and remove the two screws with high volatility point, then let it dry (5000 mi) or more frequently if the vehicle...
  • Page 59 Every 8000 km (5000 mi), carry out the fol- contact your APRILIA Official Dealer. Have the front fork oil changed lowing checking operations: by an APRILIA Official Dealer,...
  • Page 60 25 mm sonalize the vehicle attitude. from the beginning of the thread For this kind of adjustment, contact an APRILIA Official Dealer. (see figure). If this measure is exceed- ed, even the slightest unevenness on the road surface will cause sudden jerks.
  • Page 61 The wear will be greater when the ve- hicle is driven on dirty or wet roads. Have the pads changed by your APRILIA Official Dealer. Check the wear of the brake pads, especially before every trip.
  • Page 62 Position the gear lever in neutral (green the idling speed is constant. warning light “ ” on). Check the engine idling rpm on the revo- If necessary, contact your APRILIA lution counter. Official Dealer. The engine idling speed must be about 1250 100 rpm.
  • Page 63 !$*534).' After the adjustment: 4(% #/,$ 34!24 #/.42/, Tighten the nut (3), thus locking the ad- juster (4) and put back the protection ele- Carefully read p. 43 (MAINTENANCE). ment (2). The ideal slack of the cold start control should be about 2 ÷ 3 mm. To adjust the slack, proceed as follows: Position the vehicle on the stand.

  • Page 64: Spark Plugs

    Check the spark plug gap with a thick- ness gauge. The gap must be 0.7 0.8 mm; if neces- sary adjust it, carefully bending the earth electrode. Make sure that the washer is in good conditions. With the washer on, screw the spark plug by hand in order not to damage the thread.
  • Page 65 "!44%29 ,/.' ).!#4)6)49 /& 4(% "!44%29 Carefully read p. 43 (MAINTENANCE). If the vehicle remains unused for Check the electrolyte level and the tighten- more than 20 days, disconnect ing of the terminals after the first 1000 km the 20A fuse, in order to avoid the bat- (625 mi) and successively every 4000 km tery deterioration resulting from the (2500 mi) or 12 months.
  • Page 66 2%-/6).' 4(% "!44%29 To remove the battery it is nec- essary to set the digital clock function to zero. To reset the digital clock, see p. 17 (MULTIFUNCTION COMPUTER). Carefully read p. 65 (BATTERY). Make sure that the ignition switch is in position “...
  • Page 67 #(%#+).' ).34!,,).' 4(% "!44%29 4(% %,%#42/,94% ,%6%, Carefully read p. 65 (BATTERY). Carefully read p. 65 (BATTERY). Make sure that the ignition switch is in To check the electrolyte level, proceed as position “ ”. follows: Lift the fuel tank, see p. 57 (LIFTING THE FUEL TANK).
  • Page 68 2) 15A fuse case it is advisable to consult an Extract the fuses one by one and check if From the key switch to all light loads ­ APRILIA Official Dealer. the filament is broken. and horn, solenoid valves , RAVE ­...
  • Page 69 (5) If the engine does not stop, con- worn, rusty or weakened. completely. tact an APRILIA Official Dealer. The side stand must rotate freely, if nec- essary grease the joint, see p. 81 (LU- BRICANT CHART).
  • Page 70 #(%#+).' 4(% 37)4#(%3 Make sure that there are no dirt or mud deposits on the switch; the pin must be Carefully read p. 43 (MAINTENANCE). able to move without interferences, re- turning automatically to its initial position. The vehicle is provided with three switches: Make sure that the cables are connected –...
  • Page 71 !$*534).' 4(% 6%24)#!, "5,"3 To adjust the headlight beam: (%!$,)'(4 "%!- Working on the rear left side of the front Carefully read p. 43 (MAINTENANCE). part of the fairing, adjust the appropriate To rapidly check the correct direction of the screw (1) by means of a short cross-tip beam, place the vehicle on flat ground, 10 Before changing a bulb, turn the...
  • Page 72 #(!.').' To change the bulbs, proceed as fol- HIGH BEAM BULBS 4(% (%!$,)'(4 "5,"3 lows: Working on the rear right side of the front part of the fairing, move the protection el- Carefully read p. 71 (BULBS). PARKING LIGHT BULB ement (6) with your hands.
  • Page 73 #(!.').' 4(% &2/.4 !.$ 2%!2 LOW BEAM BULB Upon reassembly, correctly po- $)2%#4)/. ).$)#!4/2 "5,"3 sition the protection screen in its Working on the rear left side of the front seat. part of the fairing, move the protection el- Carefully read p. 71 (BULBS). Tighten the screw (16) moderately and ement (11) with your hands.
  • Page 74 #(!.').' Insert the bulb in the bulb sock- Position the vehicle on the stand. 4(% 2%!2 ,)'(4 "5," et, making the two bulb pins co- Unscrew and remove the two screws (1). incide with the relevant guides on the Remove the protection screen (2). Carefully read p.

  • Page 75: Transport

    Remove the fillercap. fuel, oil, coolant. Empty the fuel tank by means of a manu- If necessary, contact an APRILIA Official al pump or a similar system. Dealer. In case of failure, do not tow the vehicle, but ask for assistance.
  • Page 76 #,%!.).' A f t e r t h e v e h i c l e h a s b e e n Polish with silicone wax only af- washed, its braking functions ter having carefully washed the could be temporarily impaired vehicle.

  • Page 77: Installing The Battery

    ,/.' 0%2)/$3 /& ).!#4)6)49 If the vehicle remains unused for more than 20 days, disconnect the 20A fuse, in order to avoid the bat- tery deterioration resulting from the current consumption due to the multi- function computer. After a long period of inactivity of the vehi- cle some precautions are necessary to avoid any problem.
  • Page 78 4%#(.)#!, $!4! DIMENSIONS Max. length..........1950 mm Max. length (rear mudguard extension included)2005 mm Max. width ........... 720 mm Max. height (front part of the fairing included) 1135 mm Seat height ..........805 mm Distance between centres......1345 mm Min. ground clearance......... 163 mm Weight ready for starting ......
  • Page 79 TRANSMISSION Type.............. mechanical, 6 gears with foot control on the left side of the engine GEAR RATIOS Ratio Primary Secondary Final ratio Total ratio 19/63 = 1 : 3.315 10 / 30 = 1: 3.000 17 / 40 = 1 : 2.353 1 : 23.406 14 / 29 = 1: 2.071 1 : 16.161...
  • Page 80 TYRES FRONT............100/80 17” 52S; 110/70 R 17” 54T; 100/80 ZR 17” - Inflation pressure for solo rider ....180 kPa (1.8 bar) - Inflation pressure for rider and passenger .......... 180 ± 10 kPa (1.8 ± 0.1 bar) REAR ............130/70 17”...
  • Page 81 ,5"2)#!.4 #(!24 Gearbox oil (recommended): F.C., SAE 75W - 90 or GEAR SYNTH, SAE 75W - 90. As an alternative to the recommended oil, it is possible to use high-quality oils with characteristics in compliance with or superior to the A.P.I.
  • Page 82 )MPORTERS use and maintenance RS 125...
  • Page 83 )MPORTERS use and maintenance RS 125...
  • Page 84 7)2).' $)!'2!- 23  use and maintenance RS 125...
  • Page 85 7)2).' $)!'2!- +%9 23  1) Generator 34) Front left direction indicator ­ 2) Ignition coil 35) RAVE unit 3) Starter 36) Multiple connectors 4) Voltage regulator 37) Spark plug 5) Fuses 38) High beam bulb 6) Battery 39) Headlight 7) Start relay 40) Electronic revolution counter 8) Front stoplight switch...
  • Page 86 ./4% !3+ &/2 '%.5).% 30!2% 0!243 /.,9 use and maintenance RS 125...
  • Page 87 ./4% !3+ &/2 '%.5).% 30!2% 0!243 /.,9 use and maintenance RS 125...
  • Page 88 – Do not dispose of oil, fuel, polluting substances and components in the envi- ronment. – Do not keep the engine running if it isn’t necessary. – Avoid disturbing noises.

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