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Gilera Nexus 125 ie 2019, Manual, Page: 73 / 94

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Gilera Nexus 125 ie 2019 Manual Download Page 73

STARTING DIFFICULTIES (SEE SECTION «START-UP

PROBLEMS»)

Lack of fuel in tank.

Refuelling

Fuel pump fault

Contact an 

Authorised Service

Centre

Flat battery

Recharge the battery.

* IMPORTANT: DO NOT USE THE SCOOTER TO THE COMPLETE
EXHAUSTION OF FUEL; SHOULD THIS OCCUR, DO NOT
ATTEMPT TO START THE ENGINE. TURN THE KEY SWITCH TO
«OFF» AND TOP-UP THE FUEL TANK AS SOON AS POSSIBLE.
FAILURE TO FOLLOW THESE GUIDELINES COULD DAMAGE THE
FUEL PUMP AND/OR THE CATALYTIC CONVERTER.

IGNITION PROBLEM

Faulty spark plug

Contact an 

Authorised Service

Centre

LACK OF COMPRESSION

Loose spark plug.

Screw in the spark plug tightly

Cylinder head loose, piston gas
rings worn.

Contact an 

Authorised Service

Centre

73

3 Maintenance

Summary of Contents for Nexus 125 ie 2019

Page 1: ...mation tips and precautions for using your vehicle It also describes features details and devices to assure you that you have made the right choice We believe that if you follow our suggestions you will soon get to know your new scooter and it will serve you well for a long time to come This booklet forms an integral part of the vehicle should the vehicle be sold it must be transferred to the new ...

Page 2: ...regular checks that should be carried out on the vehicle at an authorised Dealer or Service Centre The booklet also contains instructions for simple repairs Any operations not specifically described in this booklet require the use of special tools and or particular technical knowledge to carry out these operations refer to any authorised Dealer or Service Centres 2 ...

Page 3: ...ging the environment Vehicle intactness The incomplete or non observance of these regulations leads to the risk of serious damage to the vehicle and sometimes even the invalidity of the guarantee The signs that you see on this page are very important They are used to highlight parts of the booklet that should be read with particular care The different symbols are used to make each topic in the man...

Page 4: ...4 ...

Page 5: ...ewindscreen 26 USE 29 Checks 30 Refuelling 30 Tyrepressure 31 Shockabsorbersadjustment 32 Runningin 33 Startinguptheengine 34 Precautions 35 Difficultstartup 36 Stoppingtheengine 37 Stand 37 Automatictransmission 38 Safedriving 39 MAINTENANCE 41 Engineoillevel 42 Engineoillevelcheck 42 Engineoiltop up 43 Warninglight insufficientoilpressure 43 Engineoilchange 44 Huboillevel 45 Tyres 47 Sparkplugdi...

Page 6: ... 66 Brakelight 67 Rear viewmirrors 68 Frontandreardiscbrake 68 Puncture 70 delveicolo 70 Cleaningthevehicle 71 TECHNICALDATA 77 Toolkit 82 SPAREPARTSANDACCESSORIES 83 Warnings 84 SCHEDULEDMAINTENANCE 87 Scheduledservicingtable 88 6 ...

Page 7: ...Nexus 125 ie Chap 01 Vehicle 7 ...

Page 8: ...01_01 8 1 Vehicle ...

Page 9: ... brake lever E Mode remote switch F Emergency cut off switch G Digital instrument panel H Warning light unit on digital instrument panel I Analogue instrument panel L Passing M Rear brake lever N Light switch O Turn indicator switch P Horn button Q Warning light unit 9 1 Vehicle ...

Page 10: ...01_02 10 1 Vehicle ...

Page 11: ...h C Engine control warning light D Low fuel warning light M Low oil pressure warning light F Turn indicator warning light G Antitheft device LED H LCD Display I Odo Set button L Clock button M Mode button 01_03 Indicatorunir 01_03 A Warning light pre installation 11 1 Vehicle ...

Page 12: ...ton longer than 3 seconds The numbers showing the hours will begin flashing Set the hours with the ODO SET button Push the CLOCK button again and the minutes numbers start flashing Set the minutes with the ODO SET button Press the CLOCK button again to start the clock moving normally During the reset process not pressing any buttons for a period longer than 8 seconds ends the process automatically...

Page 13: ...01_05 Digitallcddisplay 01_05 A SERVICE maintenance icon B BELT maintenance icon C Battery Icon D Miles gallons icon Not used E 3 digit display board computer F Fuel gauge 13 1 Vehicle ...

Page 14: ...icons signal the user that scheduled maintenance operations should be carried out The flashing icon A SERVICE signals the need to carry out the scheduled mainte nance service A flashing B BELT icon signals the driving belt needs replacing In any case vehicle maintenance must be carried out at the service intervals recom mended in the Scheduled Maintenance WARNING REFER TO THE SCHEDULED MAINTENANCE...

Page 15: ...shing Set the day with the ODO SET button CAUTION IT IS STRONGLY ADVISED NOT TO USE THE FUNCTIONS OF THE DIGITAL DISPLAY PANEL WHILE THE VEHICLE IS MOVING 01_08 MODE button 01_08 01_09 Hold down the MODE button or the remote switch E MODE for less than one second to start the following sequence of functions 1 MEAN SPEED the word MEAN and km h or mph is displayed The value is reset by resetting the...

Page 16: ...N TURN THE KEY TO ON HOLDING DOWN BOTH BUTTONS FOR MORE THAN 3 SECONDS WHEN THE WORD SET IS DISPLAYED THE UNIT OF MEASUREMENT HAS BEEN CHANGED 01_10 Keyswitch 01_10 The key switch A is located on the knee guard panel SWITCH POSITIONS ON 1 Ready to start position non extractable key mechanical antitheft device dis abled OFF 2 Ignition disabled extractable key mechanical antitheft device disabled 16...

Page 17: ... by pressing the key set to OFF and turning it clockwise Lockingthesteeringwheel Turn the handlebar to the left as far as it will go turn the key to LOCK and remove the key Releasingthesteeringwheel Reinsert the key and turn it to OFF CAUTION DO NOT TURN THE KEY TO LOCK OR KEY OFF WHILE RIDING 01_11 17 1 Vehicle ...

Page 18: ...tically goes back to its 0 position and the indicators remain on push the lever O to turn them off 01_12 Hornbutton 01_12 Push the button P to honk the horn 01_13 Lightswitch 01_13 When the light switch N is set to 1 the low beam light is on When set to 2 the high beam light is activated Push the button L and the high beam light is flash ed 18 1 Vehicle ...

Page 19: ... to 0 OFF the engine cannot be started or it shuts off if it is already running Theimmobilizersystem In order to enhance theft protection the vehicle is equipped with a PIAGGIO IMMO BILIZER electronic engine locking device that is activated automatically when the ignition switch is removed Upon start up the PIAGGIO IMMOBILIZER system checks the starter key and only if this key is recognised will t...

Page 20: ...We therefore recommend that it be used only under exceptional circumstan ces Key B single copy supplied is used for regular operations such as start up unlocking the fuel tank cover Together with the two keys you will be given a CODE CARD bearing the mechanical code of the keys WARNING LOOSING THE RED KEY PREVENTS ANY REPAIRS OF THE PIAGGIO IMMO BILIZER SYSTEM AND THE ENGINE CONTROL UNIT WARNING K...

Page 21: ...s not recognised turn the key first to OFF and then to ON if the lock cannot be disabled try with the other key supplied red coloured If the engine cannot be started contact an Authorised Service Centre which is provided with the electronic equip ment required to detect and repair the system The immobilizer is also activated when the emergency cut off switch stops the engine or the side stand is l...

Page 22: ... handgrip key into the switch key in OFF and turn it to ON After 1 3 seconds turn the key to OFF again and pull it out Intermediatestep blackkey After pulling out the red key insert the black key within 10 seconds and promptly turn it to ON After 1 3 seconds turn the key to OFF again and pull it out In this way a maximum of 7 black keys can be programmed by repeating the above procedure keeping th...

Page 23: ... Accessingthefueltank 01_20 To remove the fuel tank cover A lift tab B and insert the key in lock C 01_21 Powersupplysocket 01_21 There is a plug socket D inside the helmet compartment The plug socket may be used for external consumers mobile phone inspection light etc CAUTION PROLONGED USE OF THE PLUG SOCKET MAY RESULT IN PARTIAL DIS CHARGE OF THE BATTERY 23 1 Vehicle ...

Page 24: ... PREVENT THE COURTESY LIGHT FROM TURNING OFF WHICH MAY RESULT IN BATTERY DISCHARGE N B PAY SPECIAL ATTENTION WHEN PLACING OBJECTS ON THE SADDLE AS THE AUTOMATIC OPENING OF THE SADDLE CAN CAUSE THEM TO FALL Identification 01_23 01_24 Identification registration numbers are made up of a prefix and a number stamped on the chassis and on the engine These numbers must always be quoted when ordering spa...

Page 25: ... BERS CAN LEAD TO SERIOUS PENAL SANCTIONS IMPOUNDING OF THE VEHICLE ETC Chassis number To read the chassis number remove the lid A in the helmet compartment 01_23 Engine number The engine number B is stamped near the rear left shock absorber lower support 25 1 Vehicle ...

Page 26: ... the rider s needs Unscrew the 3 screws A remove the windshield upper part and set it in the desired position Tighten the 3 fixing screws again WARNING CARRY OUT THIS OPERATION WITH EXTREME CARE SO AS NOT TO SCRATCH THE WINDSHIELD PREVENT WINDSHIELD DETACHMENT WHILE RIDING BY TIGHTENING THE FIXING SCREWS WELL 26 1 Vehicle ...

Page 27: ...27 1 Vehicle ...

Page 28: ...28 1 Vehicle ...

Page 29: ...Nexus 125 ie Chap 02 Use 29 ...

Page 30: ...functioning of front and rear brakes 6 The oil level in the gearcase 7 The engine oil level 8 The coolant level 02_01 Refuelling 02_01 Reach the fuel tank and unscrew the cap A Use premium unleaded petrol with minimum octane rating of 95 A specific gauge on the instrument panel indicates the fuel level WARNING SWITCH OFF THE ENGINE BEFORE REFUELLING WITH PETROL PETROL IS HIGHLY INFLAMMABLE DO NOT ...

Page 31: ...place tyres as soon as these indicators become visible on the tyre tread Also check that the tyres do not show signs of splitting at the side or irregular tread wear if this occurs go to an au thorised workshop or at least to a workshop equipped to perform the replacement CAUTION TYRE PRESSURE SHOULD BE CHECKED WHEN TYRES ARE COLD INCOR RECT TYRE PRESSURE CAUSES ABNORMAL TYRE WEAR AND MAKES RID IN...

Page 32: ...edium preloading rider only Position 3 medium preloading rider and passenger Position 4 maximum preloading rider passenger and luggage In order to carry out this operation you will need to use the specific spanner in the kit Spring preloading increases by turning the ring nut towards A but decreases if the ring nut is turned towards B CAUTION RIDING THE VEHICLE WITH THE SPRING PRELOADING NOT CORRE...

Page 33: ...PRELOAD DIFFERENTLY ON THE TWO SHOCK ABSORBERS 02_03 Runningin 02_03 WARNING DURING THE FIRST 1000 KM DO NOT RIDE THE VEHICLE OVER 80 OF ITS MAXIMUM SPEED AVOID TWISTING THE THROTTLE GRIP FULLY OR KEEP ING A CONSTANT SPEED ALONG LONG SECTIONS OF ROAD AFTER THE FIRST 1000 KM GRADUALLY INCREASE SPEED UNTIL REACHING THE MAX IMUM PERFORMANCE 33 2 Use ...

Page 34: ... with an electric pump and a starter that switch on automatically as soon as the engine is started In order to start the engine and before pressing the starter button B pull and hold the front brake lever D or the rear brake lever M to actuate the specific start up enabling switch 1 Rest the scooter on its centre stand E making sure the rear wheel does not touch the ground 2 Keep the throttle grip...

Page 35: ...ER TO EXCEED THE MAXIMUM SPEED WHILE RUNNING DOWNHILL IN ORDER TO AVOID DAMAGING THE ENGINE IN ANY CASE IN ORDER TO PRESERVE THE ENGINE FROM PROLONGED OVERREVVING THE REVOLUTION LIMITER WILL BE ACTIVATED IF THE EN GINE SPEED EXCEEDS THE ESTABLISHED THRESHOLD WARNING AFTER A LONG DISTANCE COVERED AT THE MAXIMUM SPEED DO NOT STOP THE ENGINE IMMEDIATELY BUT LET IT RUN AT IDLE FOR A FEW SECONDS 35 2 U...

Page 36: ... pressing button B and keeping the throttle grip slightly twisted 3 In the rare case of engine flooding to facilitate start up it is possible to try to put the vehicle into action with the gas hand grip partially or completely open It is however necessary once the engine is started to take your vehicle to an Authorised Service Centre to determine the cause of this problem and to re establish the v...

Page 37: ...2_10 CENTRE STAND Push with your foot on the centre stand s fork F while lifting the vehicle backward holding onto the handlebar 02_10 SIDE STAND Push with your foot on the fork of the stand L to bring it into the open position while lifting the scooter at the same time CAUTION TAMPERING MAY CAUSE SERIOUS ENGINE MALFUNCTION 37 2 Use ...

Page 38: ...ly the brake to keep the vehicle still leaving the engine running at idle speed Using the engine to keep the vehicle still can cause the clutch to overheat due to the friction of the clutch mechanism itself against the capstan It is therefore recommended to avoid conditions of prolonged clutch slippage other than those previously indicated like driving uphill fully laden on steep slopes or startin...

Page 39: ...lippery roads 5 Avoid riding off by mounting the scooter when it is resting on its support In any case in order to avoid abrupt departures the rear wheel should not be turning when in comes into contact with the ground 6 If you use the scooter on roads covered with sand mud snow mixed with salt etc we recommend that you clean the brake disc frequently with a non aggressive deter gent in order to a...

Page 40: ...NOT IN A GENERALLY GOOD CONDITION OR WHENEVER WEATHER CONDITIONS DEMAND IT SPEED SHOULD BE FURTHER REDUCED CAUTION DO NOT ADJUST THE MIRRORS WHILE RIDING THIS COULD CAUSE YOU TO LOOSE CONTROL OF THE VEHICLE CAUTION ANY ELABORATION THAT MODIFIES THE VEHICLE S PERFORMANCES SUCH AS TAMPERING WITH ORIGINAL STRUCTURAL PARTS IS STRICTLY FORBID DEN BY LAW AND RENDERS THE VEHICLE NO LONGER CONFORMING TO T...

Page 41: ...Nexus 125 ie Chap 03 Maintenance 41 ...

Page 42: ...e quently than indicated in the Scheduled Maintenance table or before setting off on long journeys The scooter is however equipped with an oil pressure warn ing light on the instrument panel 03_01 Engineoillevelcheck 03_01 03_02 This operation must be carried out with the engine cold and following the procedure below 1 Rest the vehicle on the central stand and on a flat ground 2 Make sure the rear...

Page 43: ...light insufficientoilpressure 03_03 The scooter is equipped with a warning light E that lights up when the key is turned to ON However this light should switch off once the engine has been started If the light comes on while braking at idle speed or while turning a corner it is necessary to check the oil level and top it up if required If after having topped up the oil the warning light still come...

Page 44: ...utes and shut it off after 5 minutes check the level and if necessary top up without exceeding the MAX lev el The cartridge filter must be replaced at every oil change For top ups and changes use new oil of the recommended type WARNING RUNNING THE ENGINE WITH INSUFFICIENT LUBRICATION OR WITH INADE QUATE LUBRICANTS ACCELERATES THE WEAR AND TEAR OF THE MOVING PARTS AND CAN CAUSE IRRETRIEVABLE DAMAGE...

Page 45: ...st the vehicle onto its centre stand on level ground 2 Unscrew the dipstick A dry it with a clean cloth and then reinsert it screwing it fully into place 3 Pull out the dipstick to make sure that the oil level reaches the first notch from the bottom as indicated by the arrow in figure this is the correct level and must remain constant at all times 4 Screw the dipstick back in checking that it is c...

Page 46: ...SPOSAL SHOULD BE CARRIED OUT IN COMPLIANCE WITH REGULATIONS IN FORCE CAUTION AN EXCESSIVE QUANTITY OF OIL CAN LEAD TO SPILL OVER WHICH MAY CAUSE THE ENGINE AND THE WHEEL TO GET DIRTY CAUTION WHEN REPLACING THE HUB OIL DO NOT LET THE OIL COME INTO CONTACT WITH THE REAR BRAKE DISC CAUTION FOR OIL REPLACEMENT CONTACT ANY AUTHORISED SERVICE CENTRE AS THEY ARE EQUIPPED TO DISPOSE OF USED OILS IN AN ENV...

Page 47: ...e visi ble on the tyre tread Also check that the tyres do not show signs of splitting at the side or irregular tread wear if this occurs take your vehicle to an Authorised Service Centre or workshop equipped to perform the replacement CAUTION TYRE PRESSURE SHOULD BE CHECKED WHEN TYRES ARE COLD INCOR RECT TYRE PRESSURE CAUSES ABNORMAL TYRE WEAR AND MAKES RID ING DANGEROUS TYRES MUST BE REPLACED WHE...

Page 48: ...ssure 2 1 bar Rear tyre pressure 2 4 bar 03_09 Sparkplugdismantlement 03_09 03_10 03_11 Proceed as follows 1 Lift the rubber mat 2 Remove the right side cover by unscrewing the 3 screws A 3 Disconnect spark plug HV wire cap B 4 Unscrew the spark plug using the wrench supplied 5 Upon refitting place the spark plug into the hole at the required angle and tighten it by hand 6 Use the wrench only to t...

Page 49: ...TION THE SPARK PLUG MUST BE REMOVED WHEN THE ENGINE IS COLD RE PLACE THE SPARK PLUG AS INDICATED IN THE SCHEDULED MAINTENANCE TABLE USING NON COMPLYING ELECTRONIC IGNITIONS OR SPARK PLUGS OTHER THAN THOSE PRESCRIBED MAY SERIOUSLY DAMAGE THE ENGINE Characteristic Spark plug NGK CR8EKB Electric characteristic Electrode gap 0 7 0 8 mm Locking torques N m Spark plug 12 14 49 3 Maintenance ...

Page 50: ...E 03_13 Airfiltercleaning 03_13 1 Wash the sponge with water and mild soap 2 Dry it with a clean cloth and short blasts of compressed air 3 Impregnate the sponge with a mixture of 50 petrol and 50 specified oil 4 Gently squeeze the filtering element let it drip dry and then refit it CAUTION IF THE VEHICLE IS USED ON DUSTY ROADS IT IS NECESSARY TO CARRY OUT MAINTENANCE CHECKS OF THE AIR FILTER MORE...

Page 51: ...14 CVTfilterremoval 03_14 03_15 03_16 Undo the two screws fixing the air filter to the engine Undo the three screws 1 and remove the crankcase cover 2 03_15 Undo the three screws 3 and remove the filter cover in the transmission housing 4 51 3 Maintenance ...

Page 52: ...7 CVTfiltercleaning 03_17 1 Wash the sponge with water and neutral soap 2 Dry it with a clean cloth and small blasts of compressed air CAUTION IF THE VEHICLE IS USED ON DUSTY ROADS SERVICE THE CVT FILTER MORE OFTEN TO AVOID DAMAGING THE ENGINE 52 3 Maintenance ...

Page 53: ...d as indicated in the scheduled maintenance table following the steps below a Place the scooter in a vertical position on the stand b Remove the expansion tank cover A turning in anticlockwise direction c Look inside the expansion tank reference C shows the adequate coolant level d If the coolant level is below reference C proceed to top up when the engine is cold If it is necessary to top up the ...

Page 54: ...LE CLEAN Recommended products AGIP PERMANENT SPEZIAL Ethylene glycol based antifreeze fluid with organic inhibition additives Red ready to use ASTM D 3306 ASTM D 4656 ASTM D 4985 CUNA NC 956 16 03_21 Checkingthebrakeoillevel 03_21 The front and rear brake fluid reservoirs are both positioned on the handlebar Proceed as follows 1 Rest the scooter on its centre stand with the handlebars perfectly ho...

Page 55: ... indicated in the scheduled main tenance table This operation must be carried out by trained technicians take your scooter to an authorised Service Centre or Dealer WARNING ONLY USE DOT 4 CLASSIFIED BRAKE FLUID BRAKE CIRCUIT FLUID IS VERY CORROSIVE MAKE SURE THAT IT DOES NOT COME INTO CONTACT WITH THE PAINTWORK CAUTION AVOID CONTACT OF BRAKE FLUID WITH EYES SKIN AND CLOTHING IN CASE OF CONTACT RIN...

Page 56: ...dle section 3 Remove the piston ring A and take off the battery cover The battery is the electrical device that requires the most frequent inspections The most relevant maintenance rules to be observed are as follows Characteristic Battery Sealed 12 V 12 Ah Useofanewbattery Make sure that the terminals are connected correctly When a new battery is installed the correct time and date must be reset ...

Page 57: ...low any of these steps At least once a month start the engine and run it slightly above idle speed for 10 15 minutes This keeps all the engine components as well as the battery in good working order Take your vehicle to a garage as indicated in the Vehicle not used for extended periods section to have the battery removed Have the battery cleaned charged fully and stored in a dry ventilated place R...

Page 58: ... located in the helmet compartment near the plug socket Replace fuses using adequate pliers supplied in the tool kit The chart shows the position and specifications of the fuses in the vehicle CAUTION BEFORE REPLACING A BLOWN FUSE FIND AND SOLVE THE FAILURE THAT CAUSED IT TO BLOW NEVER TRY TO REPLACE THE FUSE WITH ANY OTHER MATERIAL E G A PIECE OF ELECTRIC WIRE 58 3 Maintenance ...

Page 59: ...rtment lighting Live Fuse No 11 Fuse No 3 Capacity 15A Protected circuits Electric fan via remote control Fuse No 4 Capacity 15A Live Fuses No 6 7 8 9 Fuse No 5 Capacity 10 A Protected circuits Injection load via remote control battery ECU water pump Fuse No 6 Capacity 7 5 A Protected circuits Low beam light Fuse No 7 Capacity 7 5 A 59 3 Maintenance ...

Page 60: ...ighting Fuse No 10 Capacity 7 5 A Protected circuits Pre installation for anti theft device battery powered instrument panel Fuse No 11 Capacity 7 5 A Protected circuits Immobilizer aerial electric fan remote control Injection load remote control electric control management device direct power supply to instrument panel and control unit pre installation for anti theft device 60 3 Maintenance ...

Page 61: ... Type Incandescent BAU 15s Power 12V 10 W Quantity 1 RHS 1 LHS Front turn indicator bulb Type Incandescent W2 1x9 5d Power 12V 5 W Quantity 2 RHS 2 LHS Tail light and stop light bulb Type Incandescent W2 1x9 5d Power 12V 21 5W Quantity 1 License plate bulb Type Incandescent W2 1 x 9 5D Power 12V 5W Quantity 1 Helmet compartment light bulb Type Incandescent SV 8 5 61 3 Maintenance ...

Page 62: ...screwdriver 2 Remove the legshield connection by undoing the two screws A 3 Remove the four screws B 4 Remove the screws C on the expansion tank compartment cover and the glove box compartment 5 Take the headlight assembly off its housing To reassemble repeat the operation in the reverse order Remove the rubber protection to take out the high low beam bulbs 62 3 Maintenance ...

Page 63: ...03_31 03_32 03_33 63 3 Maintenance ...

Page 64: ...ed onto the screen is not higher than 9 10 or lower than 7 10 of the distance between the centre of the headlight and the ground 3 Otherwise adjust the right headlight by turning the screw A that can be reached after removing the legshield union N B THE ABOVE PROCEDURE COMPLIES WITH THE EUROPEAN STANDARDS RE GARDING MAXIMUM AND MINIMUM HEIGHT OF LIGHT BEAMS REFER TO THE STATUTORY REGULATIONS IN FO...

Page 65: ...ndicators 03_36 03_37 To replace the burnt out bulb remove the 3 screws A shown in the figure and then take the rubber holder off its socket 03_38 Rearturnindicators 03_38 Undo the screw A then remove the glass B 65 3 Maintenance ...

Page 66: ...atelight 03_39 Remove the screw C then take out the bulb holder 03_40 Helmetcompartmentlightingbulb 03_40 Open the helmet compartment take out the pressure mounted glass cover F and replace the bulb 66 3 Maintenance ...

Page 67: ...oceed as follows 1 Open the saddle and remove the rear cover by undoing the two screws A 2 Remove the stop light glass cover by undoing the four screws B 3 To remove the red bulb cover push it at its sides and take out the bulb by pulling it slightly and turning it anticlockwise 67 3 Maintenance ...

Page 68: ...ke 03_46 The brake disc and pad wear is automatically compensated therefore it does not have any effect on brake functioning For this reason it is not necessary to adjust the brakes An excessively elastic brake lever stroke may indicate the presence of air in the brake circuit or a failure in the braking system In this case mainly due to the importance of brakes to guarantee safe riding conditions...

Page 69: ...E BRAKING SYSTEM CHECKED BY AN AUTHORISED SERVICE CENTRE OR DEALER AF TER REPLACING THE BRAKE PADS DO NOT USE THE VEHICLE BEFORE HAVING USED THE BRAKE LEVER SEVERAL TIMES IN ORDER TO ALLOW THE PISTONS TO SETTLE AND THE LEVER STROKE TO BE SET TO THE CORRECT POSITION CAUTION THE PRESENCE OF SAND MUD SNOW MIXED WITH SALT ETC ON THE ROAD CAN DRASTICALLY REDUCE THE LIFE OF THE BRAKE PADS IN OR DER TO A...

Page 70: ...ations CAUTION TO USE THE INFLATE AND REPAIR SPRAY CAN PROPERLY FOLLOW THE INSTRUCTIONS ON THE PACKAGING WARNING THE WHEELS FITTED WITH TYRES SHOULD ALWAYS BE BALANCED RIDING THE VEHICLE WITH VERY LOW TYRE PRESSURE OR WITH INCORRECTLY BALANCED TYRES CAN LEAD TO DANGEROUS STEERING VIBRATIONS 03_48 delveicolo 03_48 The following operations are recommended 1 Clean the scooter thoroughly and then cove...

Page 71: ...ed dirt and mud deposited on the painted surfaces Once softened mud and dirt should be removed with a soft sponge for bodywork soaked in water and shampoo 2 4 of shampoo in water Then rinse abundantly with water and dry with a shammy cloth For the outside of the engine use petroleum a brush and clean cloths Petrol can damage paintwork Remember that any polishing with silicone wax must always be pr...

Page 72: ... CLOTHS SOAKED IN ALCOHOL PETROL DIESEL OIL OR KEROSENE FOR CLEANING THE PAINTED OR PLASTIC SURFACES IN ORDER NOT TO DAM AGE THE LUSTRE FINISH OR ALTER THEIR MECHANICAL PROPERTIES US ING SILICONE BASED WAX CAN DAMAGE THE PAINTED SURFACES DE PENDING ON THE VEHICLE COLOUR SATIN COLOURS FOR FURTHER INFORMATION ON THIS MATTER CONTACT AN AUTHORISED SERVICE CEN TRE STARTING FAILURE Emergency switch in O...

Page 73: ...THIS OCCUR DO NOT ATTEMPT TO START THE ENGINE TURN THE KEY SWITCH TO OFF AND TOP UP THE FUEL TANK AS SOON AS POSSIBLE FAILURE TO FOLLOW THESE GUIDELINES COULD DAMAGE THE FUEL PUMP AND OR THE CATALYTIC CONVERTER IGNITION PROBLEM Faulty spark plug Contact an Authorised Service Centre LACK OF COMPRESSION Loose spark plug Screw in the spark plug tightly Cylinder head loose piston gas rings worn Contac...

Page 74: ...AKING Greasy disc Worn pads Faulty braking system Presence of air in the front and rear brake circuit Contact an Authorised Service Centre Presence of air in the front and rear brake circuit Contact an Authorised Service Centre INEFFICIENT SUSPENSIONS Shock absorber fault oil leak end buffer damaged shock absorber preloading incorrectly set Contact an Authorised Service Centre 74 3 Maintenance ...

Page 75: ...IRREGULAR AUTOMATIC TRANSMISSION Variator rollers and or driving belt damaged Contact an Authorised Service Centre STAND DOES NOT RETURN TO POSITION Presence of dirt Clean and grease 75 3 Maintenance ...

Page 76: ...76 3 Maintenance ...

Page 77: ...Nexus 125 ie Chap 04 Technicaldata 77 ...

Page 78: ...04_01 78 4 Technicaldata ...

Page 79: ...e 12 0 Nm at 8000 rpm Transmission CVT expandable pulley variator with torque server V belt self ventilating dry automatic centrifugal clutch and transmission housing with forced circulation air cooling Final reduction gear Gear reduction unit in oil bath Lubrication Engine lubrication with lobe pump inside crankcase chain driven with double filter mesh and paper Cooling Forced circulation coolant...

Page 80: ...l Unleaded petrol 95 RON Exhaust silencer Absorption type exhaust silencer with a 3 way catalytic converter and lambda probe Emissions compliance EURO 3 VEHICLE TECHNICAL DATA Chassis Tubular and steel sheets Front suspension Hydraulic telescopic fork with Ø 35 mm stem Rear suspension Two double acting shock absorbers adjustable to four positions at preloading Front brake Ø 260mm disc brake with h...

Page 81: ...r rim 14 x 3 50 Front tyre Tubeless 120 70 15 56P Rear tyre Tubeless 140 60 14 64P Front tyre pressure 2 1 bar Rear tyre pressure 2 4 bar Kerb weight 169 5 kg Maximum weight allowed 370 Kg Battery Sealed 12 V 12 Ah CAPACITY Engine oil 1 30 l Transmission oil 250 cm Cooling system fluid 1 75 l Fuel tank reserve approx 15 00 l approx 2 80 l 81 4 Technicaldata ...

Page 82: ...Toolkit 16 mm box spanner Twin screwdriver A pair of pliers to extract fuses Wrench for adjusting shock absorbers The tools are stored in the helmet compartment 82 4 Technicaldata ...

Page 83: ...Nexus 125 ie Chap 05 Sparepartsanda ccessories 83 ...

Page 84: ...ALITY GUARANTEE AS THOSE INITIALLY FITTED ON THE SCOOTER THE USE OF NON ORIGINAL SPARE PARTS RENDERS THE WARRANTY VOID WARNING PIAGGIO MARKETS ITS OWN LINE OF ACCESSORIES THAT ARE RECOG NISED AND GUARANTEED FOR USE IT IS THEREFORE ESSENTIAL TO CON TACT AN AUTHORISED DEALER OR SERVICE CENTRE IN ORDER TO CHOOSE AND FIT ACCESSORIES CORRECTLY THE USE OF NON ORIGINAL ACCES SORIES MAY AFFECT THE STABILI...

Page 85: ...RALLY GOOD CON DITION OR WHENEVER WEATHER CONDITIONS DEMAND IT SPEED SHOULD BE FURTHER REDUCED WARNING BE EXTREMELY CAREFUL WHEN INSTALLING AND REMOVING THE MECHAN ICAL ANTITHEFT DEVICE ON THE VEHICLE U SHAPED PADLOCK DISC BLOCK ETC MAINLY NEAR THE BRAKE PIPES TRANSMISSIONS AND OR ELECTRIC CA BLES AN INCORRECT INSTALLATION OR REMOVAL OF THE ANTITHEFT DEVICE AS WELL AS LEAVING IT ON BEFORE STARTING...

Page 86: ...86 5 Sparepartsandaccessories ...

Page 87: ...Nexus 125 ie Chap 06 Scheduledmaint enance 87 ...

Page 88: ...our vehicle serviced to the prescribed intervals of time even if you have not reached the predicted mileage Punctual vehicle servicing is necessary for the correct use of the guarantee For any further information concerning Warranty procedures and Scheduled Maintenance please refer to the Warranty Booklet SCHEDULED MAINTENANCE TABLE Km x 1 000 1 5 10 15 20 25 30 35 40 45 50 55 60 Roller bearing Dr...

Page 89: ...stment A A A A Brake pads I I I I I I I I I I I I I Sliding shoes CVT rollers R R R R R R Tyre pressure and wear I I I I I I I Vehicle road test I I I I I I I Radiator external cleaning I I I I Suspension I I I I I I I Steering A A A A A A A Transmission L L L L I CHECK AND CLEAN ADJUST LUBRICATE OR REPLACE IF NECESSARY C CLEAN R REPLACE A ADJUST L LUBRICATE Replace every 2 years 89 6 Scheduledmai...

Page 90: ...tringy calcium spray grease R I D A D R 2 10 b 2 R I Na 2 42 I A T A 2 I M D G class 2 UN 1950 Page 9022 EM 25 89 AGIP BRAKE 4 Brake fluid Synthetic fluid SAE J 1703 FMVSS 116 DOT 3 4 ISO 4925 CUNA NC 956 DOT 4 AGIP PERMANENT SPEZIAL Ethylene glycol based antifreeze fluid with organic inhibition additives Red ready to use ASTM D 3306 ASTM D 4656 ASTM D 4985 CUNA NC 956 16 AUTOSOL METAL POLISH Muff...

Page 91: ...m 1 Mile mi 1 609 Kilometre km 1 US Gallon USgal 3 785 Litre l 1 Pound lb 0 454 Kilogram kg 1 Cubic inch in 16 4 Cubic centimetres cm 1 Foot pound lb ft 1 356 Newton meter Nm 1 Miles per hour mi h 1 602 Kilometres per hour km h 1 Pound per square inch PSI 0 069 bar 1 Fahrenheit F 32 9 5 Celsius C 91 6 Scheduledmaintenance ...

Page 92: ...92 6 Scheduledmaintenance ...

Page 93: ...TABLE OF CONTENTS B Battery 56 C Checks 30 Clock 12 F Fuses 58 I Identification 24 K Keys 20 M Maintenance 41 P Puncture 70 R Refuelling 30 S Stand 37 T Toolkit 82 Tyres 47 V Vehicle 7 93 ...

Page 94: ... changes to components parts or accessories which it considers necessary to improve the product or which are required for manufacturing or construction reasons Not all versions models shown in this publication are available in all countries The availability of each model should be checked at the official PIAGGIO sales network Copyright 2012 Piaggio C S p A All rights reserved Reproduction of this ...

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