APRILIA SR 50 Use And Maintenance Book
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APRILIA SR 50 Use And Maintenance Book

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  • Page 2: Safe Drive

    G. Galilei, 1 - 30033 Noale (VE) - Italy Tel. +39 - 041 58 29 111 to be able to drive in the traffic safely. Fax +39 - 041 44 10 54 www.aprilia.com use and maintenance SR 50 - SR 125 - SR 150...
  • Page 3 Offi- cial Dealer as reference data for the pur- Japan chase of spare parts or specific accesso- ries of the model you have acquired. use and maintenance SR 50 - SR 125 - SR 150...

  • Page 4: Table Of Contents

    WIRING DIAGRAM - SR 125 - SR 150....94 • + THE DIRECTION INDICATOR EXTENSIONS ..58 AUTOMATIC WIRING DIAGRAM - SR 125 - SR 150 ... 96 REMOVING THE LOWER SHIELD COVER ...59 LIGHT SWITCHING VERSION .......33 use and maintenance SR 50 - SR 125 - SR 150...
  • Page 5 safe drive...
  • Page 6 Gradually get to know the vehicle by driv- ing it first in areas with low traffic and/or pri- vate areas. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 7 Avoid standing up or stretching your limbs example: rearing up on the back wheel, your speed. while driving. speeding, etc.), and give due consideration to the road surface, visibility and other driv- ing conditions. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 8 SR 50 - SR 125 - SR 150...

  • Page 9: Clothing

    (ownership tax) and with penal sanctions tangled with moving parts or driving mech- provided for using the vehicle without driv- anisms. ing license. use and maintenance SR 50 - SR 125 - SR 150...

  • Page 10: Accessories

    Furthermore, make pecially when riding at high speed. sure that the load is firmly secured to the vehicle, especially during long trips. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 11 Do not carry animals or children on the vehicle sides, because they could hit peo- glove compartment or on the luggage- ple or obstacles, making you lose control of rack. the vehicle. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 12 1) Coolant expansion tank plug 6) Saddle lock 2) Bag hook 7) Kick starter 3) Battery/tool kit compartment cover 8) Air cleaner 4) Fuel tank 9) Left inspection cover 5) Fuel tank plug use and maintenance SR 50 - SR 125 - SR 150...
  • Page 13 8) Lower shield cover 3) Ignition switch/steering lock 9) Anti-theft hook (for the aprilia “Body- & 4) Right inspection cover Guard” armored cable 5) Fuse carrier 10) Centre stand 6) Horn use and maintenance SR 50 - SR 125 - SR 150...
  • Page 14 2) Battery/tool kit compartment cover 7) Kick starter 3) Fuel tank 8) Passenger left footrest 4) Fuel tank plug 9) Fuse carrier 5) Saddle lock 10) Left inspection cover use and maintenance SR 50 - SR 125 - SR 150...
  • Page 15 10) Anti-theft hook (for the aprilia “Body- & 4) Ignition switch/steering lock Guard” armored cable 5) Right inspection cover 11) Centre stand 6) Brake fluid reservoir (front brake) 12) Passenger right footrest 7) Horn use and maintenance SR 50 - SR 125 - SR 150...

  • Page 16: Controls On The Left Side Of The Handlebar

    8) Electrical controls on the right side of the handlebar 16a) Blue high beam warning light ( • + 9) Ignition switch/steering lock ( Blue high beam warning light ( 18) Amber low fuel warning light ( use and maintenance SR 50 - SR 125 - SR 150...
  • Page 17 If the pointer reaches the red area, stop the engine and check the coolant level, see p. 30 ( COOLANT If the maximum allowed temperature is exceeded CAUTION (red area “max” of the scale), the engine may be seriously damaged. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 18 When it is in position “ ”, the high beam comes on. NOTE The lights can be switched off only by stopping the engine. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 19 (front or rear) is activated at the same time, the starter CAUTION makes the engine run. For the starting procedure, see p. 36 (STARTING). Do not operate the engine stop switch “ ” in running conditions. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 20 To indicate the turn to the left, move the switch to the left; to indicate the turn to the right, move the switch to the right. To turn off the direction indicator, press the switch. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 21 When the start push button is pressed and one of the brake levers (front or rear) is activated at the same time, the starter makes the engine run. For the starting procedure, see p. 36 (STARTING). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 22 Turn the key and steer the han- dlebar at the same time. Rotate the key (1) anticlockwise (left- wards), steer the handlebar slowly until the key (1) reaches position “ ”. Extract the key. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 23 WARNING Do not load the crash helmet / glove WARNING compartment too much. Before leaving, make sure that the sad- Maximum allowed weight: 2.5 kg. dle is properly locked. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 24 For the installation, see p. 58 ( The rear mudguard extension (5), STALLING THE DIRECTION INDICATOR complete with screws and relevant nuts, is EXTENSIONS). supplied as standard equipment and is use and maintenance SR 50 - SR 125 - SR 150...

  • Page 25: Unlocking / Locking The Saddle

    Refuel. diation, never fill the tank to the brim. WARNING After refuelling, put back the cap (1) in the correct position. Put back the cap (1). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 26 / INSTRUMENTS AND INDICATORS). After refuelling, put back the cap (1) in In case of leakages or malfunctions, the correct position. contact an APRILIA Official Dealer. Put back the cap (1). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 27 1000km (625 mi) and successively every 12000 km (7500 mi), or every 24 months. To check the oil level and to change the oil, contact an aprilia Official Dealer. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 28 APRILIA Official Dealer, since it may be necessary to bleed the system. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 29 Loosen the adjuster (1), making sure that the wheel turns freely. Carry out a trial run operating the rear brake two or three times. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 30 In case maintenance operations are to be performed, it is advisable to use la- tration (up to maximum 60%). tex gloves. Have the coolant changed by an APRILIA Official Dealer. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 31 Have it repaired by an APRILIA Official MIN = minimum level. Dealer. MAX= maximum level. Put back the front cover, see p. 53 (RE- MOVING THE FRONT COVER). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 32 SR 50 - SR 125 - SR 150...
  • Page 33 The lights can be switched off only by turn- ing the ignition switch to position “ ”. Before starting the vehicle, make sure that the dimmer switch is in position “ ” (front low beam). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 34 CO (carbon monoxide) and of the HC verter. (unburned hydrocarbons) contained in the exhaust gases, changing them into carbon dioxide and steam, respectively. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 35 Lights, warning Check the proper functioning of all the devices. lights, horn and Change the bulbs or intervene in case of failure. 65 – 75 electric devices use and maintenance SR 50 - SR 125 - SR 150...
  • Page 36 Rotate the key (4) and move the ignition as the engine starts. To leave, see p. 38 (DEPARTURE AND switch to position “ ”. DRIVE). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 37 Press the start push button “ ” (7) for at the same time rotate the throttle grip about five seconds, in order to ensure (9) moderately. the filling of the float chamber. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 38 / she does not create grip (Pos. B); the vehicle will start mov- the vehicle. problems during manouvres. ing. Before leaving, make sure that the stand/stands is / are completely up. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 39 The use of the engine to keep the vehi- avoided, driving smoothly and bending cle at a halt may cause the overheating the vehicle as little as possible. of the speed variator. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 40 During the first 1000 km (625 mi), do not Do not keep the throttle grip open more exceed the 80% of the maximum allowed than three-fourths for long stretches. speed. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 41 Move the engine stop switch (1) to posi- Lock the steering, see p. 22 (STEERING tion “ ” (for the countries where re- LOCK) and extract the key (2). quired). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 42 Make sure that all documents are in order ..............and the road tax has been paid. TELEPHONE NO.:........NOTE Very often stolen vehicles are identified thanks to the data written on the use/maintenance manual. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 43 In case any maintenance operation has LIMINARY CHECKING OPERATIONS). room in which you are working is prop- to be carried out, it is advisable to use erly ventilated. latex gloves. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 44 Headlight beam direction - operation – – ground. every month:  Wheels/tyres and inflation pressure every 2000 km (1250 mi):  Front and rear brake pad wear use and maintenance SR 50 - SR 125 - SR 150...
  • Page 45 4000 km (2500 mi): / every 4 years: Braking system pipe – every 4 years: Mixer oil pipe every 2 years: Clutch wear – – Rear brake shoe wear – use and maintenance SR 50 - SR 125 - SR 150...
  • Page 46 500 km (312 mi):  2 stroke oil Headlight beam direction - operation – – every month:  Wheels/tyres - inflation pressure every 2000 km (1250 mi):  Brake pad wear use and maintenance SR 50 - SR 125 - SR 150...
  • Page 47 4 years: Braking system pipe – every 4 years: Mixer oil pipe every 4 years: Clutch wear – – Rear brake shoe wear every 2000 km (1250 mi): use and maintenance SR 50 - SR 125 - SR 150...
  • Page 48 Frame no. ENGINE NUMBER The engine number is stamped on the low- er support of the rear shock absorber. Engine no. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 49 90) on the whole surface of the filtering element, then squeeze it to eliminate the oil in excess. NOTE The filter must be well impregnat- ed, though not dripping. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 50 Apply a filter oil on the whole surface of To clean the filtering element it is neces- the filtering element. sary to remove it from the vehicle. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 51 The wear will be greater when the ve- pletely, this means that the shoes are hicle is driven on dirty or wet roads. worn; in this case, contact an APRILIA Official Dealer. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 52 Place the support under the vehicle and a spongy cloth between them, so that the front wheel can move freely and the ve- hicle cannot fall down. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 53 CAUTION Proceed with care. Do not damage the tangs and/or their seats. Handle the plastic and painted compo- nents with care and avoid scraping or damaging them. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 54 Unscrew and remove the screw (3). Disconnect the two electric terminals Rotate the handlebar completely right- (9). wards, unscrew and remove the screw (4) (with shorter diameter) and the screws (5) (6) and (7). use and maintenance SR 50 - SR 125 - SR 150...

  • Page 55: Battery / Tool Kit Compartment

    Upon reassembly, insert the rear part of the inspection cover in the rear part of the fairing, making the seat (7) coincide with the end of the rear part of the fairing (8). use and maintenance SR 50 - SR 125 - SR 150...

  • Page 56: Rear Mudguard Extension

    Withdraw the screw (6). the two spacers (9). Position the rear mudguard extension (7) inside the number plate holder support (8). Position the reflector (2) and tighten the relevant nuts (1). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 57 Remove the rear mudguard extension (5). Using a cross-point screwdriver, press in correspondence with the marks, in order to obtain the seat. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 58 (6), withdraw the cables one by one. screen. Remove the indicator support (6) and CAUTION withdraw it from the cables (7). Handle with care. Do not force the electric cables. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 59 Put back the direction indicator, replac- ing the screw (5) with the screw (9) sup- • plied with this equipment, see p. 58 ( REMOVING THE WHOLE DIREC- TION INDICATOR). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 60 Do not damage the tangs and/or their seats. Handle the painted components with care and avoid scraping or damaging them. Withdraw and remove the front inner shield, rotating it toward the saddle. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 61 Remove the rear-view mirror (2). turning automatically to its initial position. Remove the gasket (4). Make sure that the cables are connected correctly. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 62 By SCREWING IT (clockwise), you in- Connect an electronic revolution counter crease the engine rpm. to the spark plug cable. By UNSCREWING IT (anticlockwise), you decrease the engine rpm. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 63 WARNING matically to its original position after Before proceeding, make sure that the being released. room in which you are working is prop- erly ventilated. Start the engine. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 64 To reach the spark plug: excessive deposits, it must be changed. Remove the left inspection cover, see p. 55 (REMOVING THE RIGHT AND LEFT INSPECTION COVERS). use and maintenance SR 50 - SR 125 - SR 150...

  • Page 65: Fuel

    If this vehicle is equipped with a “MAIN- TENANCE-FREE” battery, it does not re- quire any maintenance operation, ex- ception made for periodical checks and recharging, when necessary. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 66 – covered with special grease or Vase- Put back the tool kit compartment (1). line. Put back the battery / tool kit compart- ment cover, see p. 24 (BATTERY / TOOL KIT COMPARTMENT). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 67 Make sure that the fluid level is included Put back the element plugs. COMPARTMENT). between the two “MIN” and “MAX” notch- es stamped on the battery side. Otherwise: Unscrew and remove the element plugs. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 68 Replace the element plugs. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 69 24 (BATTERY / TOOL KIT – stop light and relevant circuit; start, it is necessary to check the fuses. COMPARTMENT). – 2 stroke oil reserve sensor and relevant circuit; – horn. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 70 Remove the front cover, see p. 53 (RE- DO NOT FORCE THE ELECTRIC Keep fuel and other flammable sub- MOVING THE FRONT COVER). CABLES. stances away from the electrical com- ponents. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 71 Withdraw the parking light bulb (7) and Extract the bulb and replace it with a new and extract it. replace it with a new one of the same one of the same type. type. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 72 Extract the bulb from its seat. check spring (9). NOTE Insert the bulb in the bulb socket, Correctly install a new bulb of the same making the relevant positioning seats coin- type. cide. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 73 Press the bulb (3) slightly and rotate it Unscrew and remove the screw (4). anticlockwise. Extract the bulb from its seat. NOTE While removing the protection screen, proceed carefully in order not to break the cog. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 74 Extract the bulb and replace it with one ER). blue of the same type. High beam ( Low fuel ( amber Extract the bulb and replace it with one of the same type. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 75 Unscrew and remove the screw (3). Upon reassembly, correctly position the protection screen in its seat. Tighten the screw (3) carefully, without exerting too much pressure, in order to avoid damaging the protection screen. use and maintenance SR 50 - SR 125 - SR 150...

  • Page 76: Coolant

    55 (REMOVING THE RIGHT If necessary, contact an APRILIA Official AND LEFT INSPECTION COVERS). Dealer. Remove the filter casing, see p. 49 AIR CLEANER / REMOVAL). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 77 WARNING Do not apply protection waxes onto the saddle, in order not to make it too slip- pery. use and maintenance SR 50 - SR 125 - SR 150...

  • Page 78: Tyres

    Check the charge of the battery, see p. Polish the painted surfaces with wax. 68 ( RECHARGING THE BATTERY), • + RECHARGING THE BATTERY) and install it, see p. 67 (INSTALLING THE BATTERY). use and maintenance SR 50 - SR 125 - SR 150...

  • Page 79: Starting

    + kick starter 1800 ± 100 rpm 1500 ± 100 rpm Engine idle Clutch automatic, centrifugal, dry clutch Change gear automatic stepless variator Cooling with forced air Cooling liquid cooled –– use and maintenance SR 50 - SR 125 - SR 150...
  • Page 80 – alternative TEI KEY TK 3AA DELL’ORTO PHVB 20,5 CARBURETTOR Choke tube Ø 12 mm –– Choke tube MIKUNI –– Ø 20 mm Choke tube DELL’ORTO –– Ø 20,5 mm use and maintenance SR 50 - SR 125 - SR 150...
  • Page 81 Ø110 mm, Rear with mechanic transmis- –– sion BRAKES disc brake, Ø190 mm Rear with hydraulic transmis- –– sion drum brake, Ø140 mm, Rear –– with mechanic transmission use and maintenance SR 50 - SR 125 - SR 150...
  • Page 82 NGK BR8 ES BOSCH WR3CC; CHAMPION RN2C; – alternative –– CHAMPION QN2C SPARK PLUG Standard NGK BR8 HS –– 0,5 − 0,6 mm 0,6 − 0,7 mm Spark plug gap use and maintenance SR 50 - SR 125 - SR 150...

  • Page 83: Parking

    12 V - 1,2 W –– WARNING Direction indicators 12 V - 2 W LIGHTS 2 stroke oil reserve 12 V - 2 W Low fuel 12 V - 1,2 W use and maintenance SR 50 - SR 125 - SR 150...
  • Page 84 BRAKE 5.1, DOT 5 (DOT 4 compatible). WARNING Use only antifreeze and anticorrosive without nitrite, ensuring protection at -35°C at least. Engine coolant (recommended): ECOBLU - 40°C or COOL. use and maintenance SR 50 - SR 125 - SR 150...
  • Page 85 Protection of the battery poles: neutral grease or vaseline. WARNING Use new brake fluid only. Brake fluid (recommended): F.F., DOT 5 (DOT 4 compatible) or BRAKE 5.1, DOT 5 (DOT 4 compatible). use and maintenance SR 50 - SR 125 - SR 150...
  • Page 86 )MPORTERS use and maintenance SR 50 - SR 125 - SR 150...
  • Page 87 )MPORTERS use and maintenance SR 50 - SR 125 - SR 150...
  • Page 88 7)2).' $)!'2!- 32  AIR AND LIQUID COOLED VERSION use and maintenance SR 50 - SR 125 - SR 150...

  • Page 89: Spark Plug

    25) 2 stroke oil reserve warning light 26) Dashboard light green 27) Fuel level instrument Vi violet 28) Low fuel warning light Ro pink 29) Low beam warning light 30) Coolant temperature instrument use and maintenance SR 50 - SR 125 - SR 150...
  • Page 90 C % K _ 7)2).' $)!'2!- 32  AIR AND LIQUID COOLED VERSION use and maintenance SR 50 - SR 125 - SR 150...
  • Page 91 25) 2 stroke oil reserve warning light brown 26) Dashboard light black 27) Fuel level instrument 28) Low fuel warning light green 29) High beam warning light Vi violet 30) Coolant temperature instrument Ro pink use and maintenance SR 50 - SR 125 - SR 150...
  • Page 92 7)2).' $)!'2!- 32  AIR AND LIQUID COOLED VERSION use and maintenance SR 50 - SR 125 - SR 150...
  • Page 93 25) 2 stroke oil reserve warning light brown 26) Dashboard light black 27) Fuel level instrument 28) Low fuel warning light green 29) High beam warning light Vi violet 30) Coolant temperature instrument Ro pink use and maintenance SR 50 - SR 125 - SR 150...
  • Page 94 7)2).' $)!'2!- 32  32  use and maintenance SR 50 - SR 125 - SR 150...
  • Page 95 25) Direction indicator switch brown 26) Start push button black 27) Control diode 28) High beam warning light green 29) Direction indicator warning light Vi violet 30) Horn Ro pink use and maintenance SR 50 - SR 125 - SR 150...
  • Page 96 7)2).' $)!'2!- 32  32  use and maintenance SR 50 - SR 125 - SR 150...
  • Page 97 25) Direction indicator switch brown 26) Start push button black 27) Control diode 28) High beam warning light green 29) Direction indicator warning light Vi violet 30) Horn Ro pink use and maintenance SR 50 - SR 125 - SR 150...
  • Page 98 – 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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