APRILIA SR 50 - USE AND MAINTENANCE BOOK Service Manual Page 1

APRILIA WOULD LIKE TO THANK YOUfor choosing one of its products. Please read this manual carefully before riding your vehicle for the first time. It c

A - Low fuel warning light;B - Fuel level indication;C - Turn indicator warning light;D - Speedometer;E - High-beam warning light;F - Oil pressure war

02_04Locking the steering wheel (02_04)Turn the handlebar to the left (as far as it will go), press the key to «LOCK» and removethe key.CAUTIONNEVER T

02_06Horn button (02_06)Horn button «E»02_07Light switch (02_07)0 = Low-beam and tail light1 = High-beam and tail light121 Vehicle

02_08Start-up button (02_08)To start the engine, press the starter button, «P», after pulling either one of the twobrake levers.02_09Opening the saddl

02_10Keys (02_10)The vehicle is supplied with two keys (one spare) which serve to start the engine andunlock the saddle compartment. The keys are acco

02_13Rear top box opening (02_13)To open the glovebox:•Park the vehicle on its centre stand on safe and level ground.•Insert the ignition key in the l

161 Vehicle

SR Motard 125Chap. 02Use17

03_01Checks (03_01)Before using the vehicle, check:1. That the fuel tank is full.2. Rear hub oil level.3. Engine oil level (see "engine oil level

03_03CAUTIONTHE USE OF OILS AND SPARK PLUGS OTHER THAN THOSE RECOMMENDEDCAN SHORTEN THE LIFE OF THE ENGINE.CharacteristicFuel tank capacityabout 7 lit

The instructions given in this manual are intended to provide a clear, simple guide to using your vehicle; it also describes routine maintenance proce

TYRE INFLATION PRESSUREFront tyre standard inflationpressure2.0 barRear tyre standard inflationpressure2.2 bar03_0503_06Shock absorber adjustment (03_

WARNINGWE RECOMMEND WEARING GLOVES WHILE CARRYING OUT THIS OPERA-TION IN ORDER TO AVOID INJURIES.WARNINGIT IS ABSOLUTELY FORBIDDEN TO ADJUST THE PRELO

The vehicle is equipped with a fuel valve and a starter which switch on automaticallyas soon as the engine is started.In order to start the engine, it

03_09HAUST DOES NOT COME INTO CONTACT WITH FLAMMABLE MATERIALS, TOAVOID SERIOUS BURNS.03_10Difficult start up (03_10)If there is a problem you can fol

WARNINGTAMPERING MAY CAUSE SERIOUS ENGINE MALFUNCTION.03_11Stopping the engine (03_11)Stop acceleration, then turn the key switch «D» to «OFF » to sto

CAUTIONWHEN PARKING THE VEHICLE, DUE TO THE HIGH TEMPERATURES THE CAT-ALYTIC CONVERTER CAN REACH, ALWAYS BE CAREFUL THAT THE MUF-FLER DOES NOT COME IN

03_13Safe driving (03_13)WARNINGSOME SIMPLE TIPS ARE PROVIDED BELOW WHICH WILL ENABLE YOU TOUSE YOUR VEHICLE ON A DAILY BASIS MORE EASILY AND SAFELY.&

8. Any elaboration that modifies the vehicle's performances, such as tampering withoriginal structural parts is strictly forbidden by law, and re

282 Use

SR Motard 125Chap. 03Maintenance29

Personal safetyFailure to completely observe these instructions will result in serious risk of personalinjury.Safeguarding the environmentSections mar

04_01Engine oil level (04_01)Check engine oil level frequently according to the indications in the scheduled main-tenance table.THE VEHICLE IS, HOWEVE

Engine oil level check (04_02, 04_03)•Park the vehicle on its centre stand.CAUTIONPARK THE MOTORCYCLE ON SAFE AND LEVEL GROUND.CAUTIONTHE ENGINE AND T

04_03Engine oil top-upCAUTIONTO TOP-UP THE ENGINE OIL, PLEASE CONTACT AN Authorised Service Cen-tre. IF YOU ARE ADEQUATELY TRAINED AND EXPERIENCED, RE

04_0404_0504_06Hub oil level (04_04, 04_05, 04_06)To check the hub oil level, proceed as follows:1. Place the vehicle on its stand on a level surface;

API GL-4CharacteristicRear hub oilQuantity: approx. 80 cm³04_07Tyres (04_07)Periodically check the inflation pressure of each tyre. Tyres are equipped

TYRE INFLATION PRESSUREFront tyre standard inflationpressure2.0 barRear tyre standard inflationpressure2.2 barSpark plug dismantlement (04_08, 04_09,

04_0804_09Pull and slide off the front inspection cover « C».NOTEUPON REFITTING, INSERT THE FITTING TABS CORRECTLY IN THEIR SLOTS.•Unscrew and remove

04_1004_11•Remove the spark plug tube.•Unscrew the spark plug with the wrench supplied in the tool kit and removeit from its seat, making sure no dust

•Refit the central inspection cover «C».04_1204_13Removing the air filter (04_12, 04_13)Remove cleaner cover unscrewing the 5 retaining screws «A» and

04_14Checking the brake oil level (04_14)The brake fluid reservoir is equipped with a sight glass «A» made of transparent ma-terial; the quantity of l

4

PARTS OF THE VEHICLE. THE BRAKING CIRCUIT FLUID IS HYGROSCOPIC,THAT IS, IT ABSORBS HUMIDITY FROM THE SURROUNDING AIR. IF MOISTURECONTAINED IN THE BRAK

TOO MUCH IN ORDER TO AVOID DANGEROUS LEAKAGE OF THE BATTERYELECTROLYTE.Checking the electrolyte levelThe electrolyte level, which should be checked re

fully and stored in a dry, ventilated place. Recharge at least once every twomonths.NOTETHE BATTERY MUST BE CHARGED WITH A CURRENT EQUAL TO 1/10 OF TH

04_17Fuses (04_17)The electrical system is protected by a main fuse valve «B» placed on the left of thebattery support and by two secondary fuses of 7

Protected circuits (live):Taillight and license plate,headlight, PTC heater, horn,instrument panel lights and fuelgauge.BULBSHigh beam/low beam bulb T

Power: 12V - 21/5WQuantity: 112V - 1.2W warning light bulb Type: ALL GLASSApplication: 1 Turn indicatorwarning light - 1 High-beamwarning light - 1 en

04_18Front light group (04_18, 04_19, 04_20)In the front headlight there are:•A high beam light bulb« A»;•A low beam light bulb« B»;•Two tail light bu

04_20•Hold the bulb holder « E» and pull it out from its slot.•Slide off the tail light bulb and replace it with another of the same type.04_2104_22He

04_23Front direction indicators (04_24, 04_25, 04_26)For replacement:CAUTIONTHE FOLLOWING INFORMATION REFERS TO ONLY ONE INDICATOR BUT ITAPPLIES TO AL

04_2504_26•Slide the protective glass off « B».•Turn the bulb holder « C» clockwise and slide it off its slot.•Press the bulb slightly and turn it ant

INDEXVEHICLE... 7Dashboard...

04_27Rear optical unit (04_27)In the taillight there is:•a tail light / stop light bulb.To replace the bulbs:•Remove the tail light glass « A» by undo

CAUTIONPERFORM THE OPERATIONS CAREFULLY.DO NOT DAMAGE THE TONGUES OR THEIR SEATS.04_28•Slide the glass off « B».•Press the bulb slightly and turn it a

04_29Number plate light (04_29)To remove the bulb:•Undo and remove the screw « A».•Remove the license plate bulb support « B ».•Slide off and replace

04_3104_3204_33Front disc brake (04_31, 04_32, 04_33)The brake disc and pad wear is automatically compensated, therefore it has no effecton the functi

04_34Rear drum brake (04_34)Operate adjusting nut «B» and loosen lock nut «A» shown in the figure. Note thatwhen the throttle is in idle the wheel sho

04_36del veicolo (04_36)We recommend carrying out the following operations:1. General cleaning of the vehicle.2. With the engine off and the piston at

CAUTIONDETERGENTS POLLUTE WATER. THEREFORE THE VEHICLE SHOULD BEWASHED IN AN AREA EQUIPPED FOR THE COLLECTION AND PURIFICATIONOF THE LIQUIDS USED.WARN

START-UP PROBLEMSNo fuel in tank RefuelFilters, jets or carburettor bodydirty or clogged.Contact an Authorised ServiceCentre.Insufficient battery char

HIGH CONSUMPTION AND LOW PERFORMANCEAir filter blocked or dirty. Clean with water and shampoo andimpregnate with petrol and specificoil («Air filter r

INCREASED EXHAUST NOISEDeterioration of the SAS systemand/or of the tabContact an Authorised ServiceCentre.STAND DOES NOT RETURN TO POSITIONPresence o

6

603 Maintenance

SR Motard 125Chap. 04Technical data61

05_01VEHICLE TECHNICAL DATAChassis Tubular steel frame with sheetmetal reinforcementsMaximum length 1940 mmMaximum width 720 mmWheelbase 1350 mm624 Te

Saddle height 775 mmMaximum height to the windshield 1135 mmKerb weight 117 kgMaximum allowed weight 302 kgFront suspension Hydraulic telescopic fork

Battery 12V - 9 AhENGINE SPECIFICATIONSEngine Single-cylinder, 4-stroke PiaggioLeaderBore x stroke 57.0 x 48.6 mmEngine capacity 124 cm³Compression ra

CAPACITYFuel tank Plastic, capacity ~ 7.0 l ~ 1.5 litresincluding the reserve (approx.value)Rear hub oil Quantity: approx. 80 cm³05_0205_03Kit equipme

664 Technical data

SR Motard 125Chap. 05Spare parts andaccessories67

06_01Warnings (06_01)WARNING IT IS RECOMMENDED THAT "ORIGINAL SPARE PARTS" BE USED, AS THESEARE THE ONLY ONES OFFERING YOU THE SAME QUALITY

SR Motard 125Chap. 06Programmedmaintenance69

SR Motard 125Chap. 01Vehicle7

07_01Scheduled maintenance table (07_01)Adequate maintenance is fundamental to ensuring long-lasting, optimum operationand performance of your vehicle

km x 1,000 1 6 12 18 24 30 36 42 48 54 60Valve clearance A A A AElectrical system and battery I I I I I I I I I I ICylinder cooling system C CBrake le

RECOMMENDED PRODUCTS TABLEProduct Description Specificationseni i-Ride PG 5W-40 Synthetic based lubricant for high-performancefour-stroke engines.JASO

TABLE OF CONTENTSAAccessories: 67Air filter: 38BBattery: 40Brake: 39, 53, 54DDisc brake: 53EEngine oil: 30–32FFuses: 43HHeadlight: 47Horn: 12Hub oil:

THE VALUE OF SERVICEAs a result of continuous updates and specific technical training programmes for Aprilia products, only Aprilia Official Network m

Dashboard (02_01)02_01A = Rear brake control;B = Turn indicator switch;C = Horn button;D = Lights switch;E = Instrument panel;81 Vehicle

F = Starter button;G = Throttle grip;H = Front brake lever;Instruments (02_02)02_02key:91 Vehicle