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Vespa LX 2012 User Manual

Vespa LX 2012
251 pages
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SERVICE STATION MANUAL
677662 EN
Vespa LX - S 125 3V ie 150 3V ie (2012)
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Vespa LX 2012 Specifications

General IconGeneral
Engine TypeSingle-cylinder, 4-stroke
Displacement124 cc
Cooling SystemAir-cooled
Fuel SystemCarburetor
TransmissionAutomatic CVT
Fuel Tank Capacity8.6 liters
Seat Height785 mm
Curb Weight114 kg
Length1, 770 mm
Width705 mm
Height1, 140 mm
Max Power10.3 hp @ 7, 750 rpm
Front SuspensionSingle arm with coil spring and hydraulic shock absorber
Front Brake200 mm
Rear SuspensionCoil spring and hydraulic shock absorber
Rear Brake110 mm drum

Summary

CHARACTERISTICS

General Specifications

Describes the general specifications of the vehicle.

Rules and Guidelines

Outlines safety and maintenance guidelines for repair operations.

Vehicle Identification

Provides chassis and engine numbers, including prefixes for LX and S versions.

Weights and Dimensions

Details the vehicle's weights and overall dimensions.

TOOLING

Specific Tools

Lists specialized tools required for maintenance and repair procedures.

MAINTENANCE

Scheduled Maintenance Table

Provides a table of scheduled maintenance tasks and intervals.

Spark Plug Service

Details the procedure for checking and replacing the spark plug.

Hub Oil Service

Explains how to check and replace the rear hub oil.

Air Filter Service

Describes the procedure for cleaning and replacing the air filter.

Engine Oil and Filter Service

Details the process for changing engine oil and replacing the oil filter.

Ignition and Valve Clearance Checks

Covers checking ignition timing and valve clearance.

Brake System Fluid Check

Explains how to check and top-up the brake fluid level.

Headlight Adjustment

Details how to adjust the vehicle's headlights.

TROUBLESHOOTING

Engine Performance Issues

Addresses poor performance, starting difficulties, and oil consumption/smoke.

Lubrication System Faults

Covers issues related to poor lubrication pressure.

Transmission and Brakes Issues

Details clutch performance and braking problems.

Steering and Suspension Issues

Addresses steering, suspension noise, and oil leakage.

Battery Issues

Troubleshooting for battery problems.

ELECTRICAL SYSTEM

Wiring Diagrams

Presents electrical wiring diagrams for LX and S versions.

Component Arrangement

Shows the location of key electrical components on the vehicle.

Immobilizer System Checks

Explains the immobiliser system and troubleshooting diagnostic codes.

Battery Recharge and Starting

Covers battery recharge, starting circuits, and checks.

Ignition System Components

Details stator check and recharge system voltage check.

Starter Motor and Horn Control

Details checks for starter motor, starter relay, and horn control.

Turn Signals and Level Indicators

Covers checks for turn signals, fuel level, and other indicators.

Fuses and Dashboard

Explains fuse layout, types, and dashboard indicator functions.

ENGINE FROM VEHICLE

Exhaust System Removal

Details the procedure for removing the exhaust assembly.

Engine Removal from Vehicle

Provides steps for safely removing the engine from the vehicle.

ENGINE

Automatic Transmission Service

Covers transmission cover removal and drive pulley service.

Clutch Service

Details clutch removal, inspection, and pin retaining collar.

End Gear Service

Steps for removing and refitting the hub cover and related components.

Crankcase and Crankshaft Service

Covers splitting crankcase halves and inspecting components.

Lubrication System

Explains the lubrication system and oil pressure checks.

Cylinder Assy. and Timing System

Covers intake manifold, rocker-arms cover, and timing system drive.

Removing the Cam Shaft

Details on how to remove the camshaft.

Removing the Cylinder Head

Steps for removing the cylinder head.

Removing the Valves

Procedure for removing valves, cotters, and springs.

Removing the Cylinder - Piston Assy.

Steps to remove the cylinder and piston assembly.

Refitting Piston Rings and Cylinder

Details refitting piston rings and the cylinder.

INJECTION

MIU Injection System

Explains the integrated injection and ignition system.

Fuel System Circuit

Details the fuel system components and operation.

Ignition Circuit

Describes the ignition system components.

Troubleshooting MIU System

Provides tips for troubleshooting MIU system failures.

Zeroing the Throttle (TPS Reset)

Procedure for resetting the throttle valve position sensor.

SUSPENSIONS

Front Suspension Service

Covers front wheel and hub overhaul.

Handlebar and Steering Column Service

Details handlebar removal/refitting and steering column overhaul.

Rear Wheel and Swing-arm Service

Covers rear wheel removal/refitting and swing-arm overhaul.

Front Shock Absorber Service

Details removal, refitting, and overhaul of the front shock absorber.

Steering Bearing Service

Covers removal and refitting of steering bearings.

BRAKING SYSTEM

Front Brake Caliper Service

Details removal and refitting of the front brake caliper.

Front Brake Disc Service

Covers front brake disc removal, refitting, and inspection.

Front Brake Pads Service

Procedure for removing and refitting front brake pads.

Front Brake System Bleeding

Explains how to bleed the front brake system fluid.

Front Brake Pump Service

Details removal and refitting of the front brake pump.

Rear Drum Brake Service

Procedure for servicing the rear drum brake.

CHASSIS

Handlebar Covers and Instrument Panel

Covers removal of rear and front handlebar covers and instrument panel.

Headlight and Knee-Guard Removal

Details removal of headlight assembly and knee-guard.

Front Mudguard and Central Cover

Covers removal of front mudguard and central cover.

PRE-DELIVERY

Aesthetic Inspection

Checks for paintwork, plastics, scratches, and dirt.

Tightening Torques Inspection

Checks safety fasteners and fixing screws for proper torque.

Electrical System Pre-delivery Checks

Checks battery, lights, switches, and instrument panel.

Levels Check

Checks hydraulic fluid, hub oil, and engine oil levels.

Road Test and Static Test

Covers vehicle testing procedures after repair/assembly.

Functional Inspection

Performs functional checks on braking, clutch, engine, and other systems.

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