PIAGGIO Liberty 50 4T Manual Download

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PECIFICATIONS

Engine

Single-cylinder, four-stroke

Bore x stroke

39 X 41.8 mm

Cubic capacity

49.93 cm³

Compression ratio

11.5 :1

Ignition advance (before T.D.C)

10° a 1800 ÷ 2000 rpm
26° a 5000 ÷ 6000 rpm

Depression carburettor

KEIHIN CVK Ø 18 mm
WALBRO WP 16A

Recommended spark plug

CHAMPION RG 4 HC
CHAMPION RG 4 PHP

Alternative spark plug

DENSO U24ESR-NB

Valve clearance

intake: 0.10 mm

discharge: 0.15 mm

Max. speed

According to current legislation

ATA

Maximum width

1920 mm

Maximum length

670 mm

Maximum height

1100 mm

4 Technicaldata

Summary of Contents for Liberty 50 4T

Page 1: ...ation 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 wil...

Page 2: ...egular 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...

Page 3: ...ing 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 s...

Page 4: ...4...

Page 5: ...3 MAINTENANCE 27 Engineoillevel 28 Engineoillevelcheck 28 Engineoiltop up 29 Engineoilchange 29 Huboillevel 30 Tyres 31 Sparkplugdismantlement 32 Removingtheairfilter 33 Secondaryairsystem 34 Intakepl...

Page 6: ...6...

Page 7: ...Liberty 50 4T Chap 01 Vehicle 7...

Page 8: ...ont brake lever E Turn signal indicator light F Rear brake lever G Full beam indicator H Fuel warning light I Side lights dipped beam warning light L Headlight full beam dipped beam selector M Turn si...

Page 9: ...OFF key can be removed steering locked front glove box locked OFF Ignition OFF key can be removed steering unlocked front glove box unlocked ON Ready to start engine immobilizer disarmed key cannot be...

Page 10: ...O LOCK OR KEY OFF WHILE RIDING 01_04 Switchdirectionindicators 01_04 To set the left turn indicators flashing move lever B to the left to set the right turn indicators flashing move it to the right Th...

Page 11: ...01_05 Hornbutton 01_05 Horn button E 01_06 Lightswitch 01_06 0 Low beam and tail light 1 High beam and tail light 11 1 Vehicle...

Page 12: ...of the two brake levers 01_08 01_09 Openingthesaddle 01_08 01_09 Insert the key in lock A and turn it anti clockwise Tip the saddleforwards Open the saddle and insert the helmet in the compartment as...

Page 13: ...SAFE PLACE AND NOT ON THE VEHICLE 01_11 01_12 Identification 01_11 01_12 The identification numbers consist of a prefix stamped on the chassis and on the en gine followed by a number They must be quot...

Page 14: ...Reartopboxopening Press the key when it is in OFF or ON to open the glove box With the key is in LOCK the glove box is locked 14 1 Vehicle...

Page 15: ...Liberty 50 4T Chap 02 Use 15...

Page 16: ...and turn indicators 6 The correct functioning of the front and rear brakes 7 The fluid level in the front brake pump tank Refuelling Fill petrol tank A with unleaded petrol minimum octanes 95 The ride...

Page 17: ...E LIFE OF THE ENGINE Characteristic Fuel tank Plastic capacity 6 l approximate value including 0 6 l reserve Tyrepressure CAUTION TYRE PRESSURE SHOULD BE CHECKED WHEN TYRES ARE COLD INCOR RECT TYRE PR...

Page 18: ...on 1 MINIMUM PRELOADING OFF ROAD USE Position 2 MEDIUM PRELOADING ROAD USE AND WITH ONLY DRIVER Position 3 MEDIUM PRELOADING ROAD USE AND WITH ONLY DRIVER Position 4 MAXIMUM PRELOADING ROAD USE WITH D...

Page 19: ...ally increase revs to pull away The vehicle is also equipped with a fuel valve and choke device that are automatically activated when the engine is started Before pressing start button A pull the rear...

Page 20: ...e engine does not start after a few attempts let the engine sit for a few minutes and then repeat the above operations In any case do not operate the starter motor longer than 20 in an attempt to star...

Page 21: ...ENGINE MALFUNCTION AS THE CARBURETTOR IS FITTED WITH AN ACCELERATOR PUMP DO NOT ENGAGE THE ACCELERATOR WITH THE ENGINE OFF IN ORDER TO AVOID FLOODING SPECIALLY IN HOT WEATHER 02_05 Stoppingtheengine...

Page 22: ...TEMPERATURES THE CAT ALYTIC CONVERTER CAN REACH ALWAYS BE CAREFUL THAT THE MUF FLER DOES NOT COME INTO CONTACT WITH FLAMMABLE MATERIALS TO AVOID SERIOUS BURNS CAUTION DO NOT SHUT OFF THE ENGINE WHILE...

Page 23: ...running at idling speed Using the motor to keep the vehicle still can cause the clutch to overheat This problem is due to the friction of the clutch parts on the clutch bell It is therefore recommend...

Page 24: ...vide the braking action between both wheels 6 Avoid starting off by mounting the vehicle while it is still resting on its stand In any case the rear wheel should not be turning when it comes into cont...

Page 25: ...N 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 THE APPROVED TYPE AND DANGEROU...

Page 26: ...26 2 Use...

Page 27: ...Liberty 50 4T Chap 03 Maintenance 27...

Page 28: ...01 Engineoillevelcheck 03_01 Check oil level every time the vehicle is used with cold engine The level should be between the MAX and MIN marks on the sight glass shown in figure the stand should be fi...

Page 29: ...it Tighten plug C and then plug B Pour of fresh oil through the hole of plug A Start the engine and let it run for a few minutes then turn it off check the oil level after about 5 minutes top up if n...

Page 30: ...arboxes and transmissions API GL 4 Characteristic Rear hub oil Quantity approx 85 cc 03_04 1 Put the vehicle on the stand on level ground 2 Unscrew oil dipstick A wipe it with a clean cloth reinsert i...

Page 31: ...6 Tyres 03_06 Periodically check the inflation pressure of each tire The tires have tread wear indi cators and must be replaced as soon as the indicators are visible on the tread tires must be replace...

Page 32: ...e spark plug wrench only to fully tighten the plug Refit the cover following the above steps in the opposite order taking care to engage the tabs of the spark plug cap in the central cover WARNING THE...

Page 33: ...th short compressed air jets Immerse the filter element in a 50 percent mixture of petrol and oil Squeeze the filter element between the hands without wringing allow it to dry and then refit it CAUTIO...

Page 34: ...eformed N B The reed valve can be inserted in only one direction on the SAS housing CAUTION CONTACT AN AUTHORISED PIAGGIO SERVICE CENTRE TO CARRY OUT THESE OPERATIONS 03_10 Intakeplug 03_10 Remove the...

Page 35: ...g system thoroughly checked If you need to top up the level follow the steps listed below Unscrew the 2 screws B remove the reservoir cap C and pour in the required quantity of fluid the brake fluid l...

Page 36: ...e Keys section and the access hatch to the battery compartment unscrewing the star head screws A shown in the figure CAUTION IN ORDER TO AVOID DAMAGING THE ELECTRICAL SYSTEM NEVER DISCON NECT THE WIRI...

Page 37: ...e to the battery follow 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...

Page 38: ...tem is protected by a plug fuse B located to the left of the battery compartment The ignition system headlight and the rear light are not fuse protected Before replacing a blown fuse find and solve th...

Page 39: ...E PAINTWORK Electric characteristic Headlight bulb 1 high beam low beam twin filament bulb 1 position light bulb 03_17 Headlightadjustment 03_17 03_18 Set the unladen scooter on level even ground at a...

Page 40: ...follow the same steps but in reverse order 03_20 Rearopticalunit 03_20 To access the taillight remove the 2 screws D that secure it To access the turn indicator bulbs remove screws E The bulbs have a...

Page 41: ...to the desired position manually 03_22 Idleadjustment 03_22 Tickover can be adjusted by turning the idle speed screw D on the carburettor To take up any play in the throttle cable use the adjuster E A...

Page 42: ...s An excessively elastic brake lever stroke may indicate the presence of air in the braking circuit or an irregular brake operation In this case particularly considering the importance of the brakes i...

Page 43: ...OKE TO ITS CORRECT POSITION CAUTION BRAKING SHOULD BEGIN AFTER ABOUT 1 3 OF THE BRAKE LEVER STROKE 03_24 Reardrumbrake 03_24 Actuate on the set screw A indicated on the figure bearing in mind that the...

Page 44: ...final repair take your vehicle to an Authorised Service Centre or Dealer The replacement of a tyre involves re moving the wheel in question Take your vehicle to an Authorised Service Centre or Dealer...

Page 45: ...procedures described in the Battery section 5 Drain the petrol from the carburettor float chamber through the bleed cap Recommended products eni i Ride PG 5W 40 Synthetic based lubricant for high perf...

Page 46: ...rine areas hot and wet weather WARNING Prevent deposits from remaining on the bodywork industrial and pollutant residual dust tar spots dead insects bird droppings etc Do not park the vehicle under th...

Page 47: ...ND MECHANICAL CHARACTERISTICS WARNING WHEN WASHING THE ENGINE WITH A HIGH PRESSURE WATER JET ONLY USE FAN SPRAY JETS DO NOT PLACE THE NOZZLE CLOSER THAN 60 CM DO NOT USE WATER AT TEMPERATURES OVER 40...

Page 48: ...park plug insulator Replace the spark plug if the insulator is cracked or broken If the spark plug is in good condition contact an Authorised Piaggio Service Centre POOR COMPRESSION Spark plug loose L...

Page 49: ...gio Service Centre INEFFICIENT SUSPENSION Oil leak worn limit switch bumpers worn shock absorber attachment points Contact an Authorised Service Centre AUTOMATIC TRANSMISSION PROBLEMS Deteriorated rol...

Page 50: ...50 3 Maintenance...

Page 51: ...Liberty 50 4T Chap 04 Technicaldata 51...

Page 52: ...0 2000 rpm 26 a 5000 6000 rpm Depression carburettor KEIHIN CVK 18 mm WALBRO WP 16A Recommended spark plug CHAMPION RG 4 HC CHAMPION RG 4 PHP Alternative spark plug DENSO U24ESR NB Valve clearance int...

Page 53: ...utch gear reduction unit Fuel tank Plastic capacity 6 l approximate value including 0 6 l reserve Front suspension Mechanical telescopic fork Rear suspension Single hydraulic shock absorber and coaxia...

Page 54: ...ge r h brake lever Rear brake drum brake 140 mm with mechanical linkage l h brake lever Engine oil Capacity 850 cm Engine oil at oil filter change 650 cc Rear hub oil Quantity approx 85 cc Kerb weight...

Page 55: ...04_01 55 4 Technicaldata...

Page 56: ...ner 16 mm a 10 13 mm double spanner one double screwdriver a 6 mm hex spanner The tools are stored under the saddle To pull the tools out of their housing disengage the lever and then remove the strap...

Page 57: ...Liberty 50 4T Chap 05 Sparepartsanda ccessories 57...

Page 58: ...E PARTS CAUSES YOUR WARRANTY RIGHTS TO EXPIRE 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...

Page 59: ...Liberty 50 4T Chap 06 Scheduledmaint enance 59...

Page 60: ...hicle 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 infor...

Page 61: ...I R I R I R I R I R I R I R I R I R I R Brake Pads Shoes I I I I I I I I I I I Tyre pressure I I I I I I I I I I I Headlight A A A A A Vehicle road test I I I I I I I I I I I Idle speed A A A A A A Od...

Page 62: ...IP FILTER OIL Special product for the treatment of foam filters AGIP GP 330 Water repellent springy 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 Pag 9022 EM...

Page 63: ...TABLE OF CONTENTS B Battery 36 C Checks 16 F Fuses 38 I Identification 13 K Keys 13 M Maintenance 27 P Puncture 44 R Refuelling 16 T Toolkit 56 Tyres 31 V Vehicle 7 63...

Page 64: ...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 pub...

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