Vespa GTV 125 - Repair, Service Manual, Wiring Diagrams and Parts Catalog

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VESPA GTV 125 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS - PARTS CATALOGUE

- English Service Manual / Repair Manual, Parts Catalogue and Wiring Diagrams, for motorcycles Vespa GTV 125.

 
CONTENTS:

SERVICE MANUAL

Characteristics
- Rules
- Safety rules
- Maintenance rules
- Vehicle identification
- Dimensions and mass
- Engine
- Transmission
- Capacities
- Electrical system
- Frame and suspensions
- Brakes
- Wheels and tyres
- Carburettor
- 125cc Version
- Kehin
- Tightening Torques
- Overhaul data
- Assembly clearances
- Cylinder - piston assy.
- Crankcase - crankshaft - connecting rod
- Slot packing system
- Oversizes
- Products
Tooling
Maintenance
- Maintenance chart
- Carburettor
- Checking the spark advance
- Spark advance variation
- Spark plug
- Hub oil
- Check
- Replacement
- Air filter
- Engine oil
- Replacement
- Check
- Oil pressure warning light
- Checking the ignition timing
- Cooling system
- Braking system
- Level check
- Top-up
- Headlight adjustment
- SAS filters inspection and cleaning
Troubleshooting
- Engine
- Poor performance
- Rear wheel spins at idle
- Starting difficulties
- Excessive oil consumption/Exhaust smoke
- Insufficient lubrication pressure
- Engine tends to cut-off at full throttle
- Engine tends to cut-off at idle
- High fuel consumption
- Transmission and brakes
- Clutch grabbing or performing inadequately
- Insufficient braking
- Brakes overheating
- Electrical system
- Battery
- Turn signal lights malfunction
- Steering and suspensions
- Heavy steering
- Excessive steering play
- Noisy suspension
- Suspension oil leakage
Electrical system
- Conceptual diagrams
- Ignition
- Headlights and automatic starter section
- Battery recharge and starting
- Level indicators and enable signals section
- Devices and accessories
- Checks and inspections
- Immobiliser
- Virgin circuit
- Diagnostic codes
- Diagnostic code - 2 flashes
- Diagnostic code - 3 flashes
- Ignition circuit
- No spark plug
- Battery recharge circuit
- Stator check
- Voltage regulator check
- Recharge system voltage check
- Choke Inspection
- Turn signals system check
- Fuses
- Dry-charge battery
- Battery installation
Engine from vehicle
- Exhaust assy. Removal
- Removal of the engine from the vehicle
Engine
- Automatic transmission
- Transmission cover
- Air duct
- Removing the driven pulley shaft bearing
- Refitting the driven pulley shaft bearing
- Baffle roller
- Metallic roller
- Removal
- Refitting
- Removing the driven pulley
- Inspecting the clutch drum
- Removing the clutch
- Inspecting the clutch
- Pin retaining collar
- Removing the driven half-pulley bearing
- Inspecting the driven fixed half-pulley
- Inspecting the driven sliding half-pulley
- Refitting the driven half-pulley bearing
- Refitting the driven pulley
- Inspecting the clutch spring
- Refitting the clutch
- Refitting the driven pulley
- Drive-belt
- Removing the driving pulley
- Inspecting the rollers case
- Refitting the driving pulley
- Refitting the transmission cover
- End gear
- Removing the hub cover
- Removing the wheel axle
- Removing the hub bearings
- Removing the wheel axle bearings
- Removing the driven pulley shaft bearing
- Inspecting the hub shaft
- Inspecting the hub cover
- Refitting the wheel axle bearing
- Refitting the hub cover bearings
- Refitting the hub bearings
- Refitting the ub cover
- Flywheel cover
- Removing the hub cover
- Removing the stator
- Refitting the stator
- Refitting the flywheel cover
- Flywheel and starting
- Removing the flywheel magneto
- Inspecting the flywheel components
- Refitting the flywheel magneto
- Refitting the starter motor
- Cylinder assy. and timing system
- Removing the intake manifold
- Removing the rocker-arms cover
- Removing the timing system drive
- Removing the cam shaft
- Removing the cylinder head
- Removing the valves
- Removing the cylinder - piston assy.
- Inspecting the small end
- Inspecting the wrist pin
- Inspecting the piston
- Inspecting the piston rings
- Removing the piston
- Choosing the gasket
- Refitting the piston rings
- Refitting the cylinder
- Inspecting the cylinder head
- Inspecting the timing system components
- Inspecting the valve sealings
- Inspecting the valve housings
- Inspecting the valves
- Inspecting the springs and half-cones
- Refitting the valves
- Inspecting the cam shaft
- Refitting the head and timing system components
- Refitting the rocker-arms cover
- Refitting the intake manifold
- Crankcase - crankshaft
- Splitting the crankcase halves
- Inspecting the crankshaft alignment
- Inspecting the crankcase halves
- Inspecting the crankshaft plain bearings
- Refitting the crankcase halves
- Lubrication
- Conceptual diagrams
- Oil pressure check
- Crankshaft oil seals
- Refitting
- Oil pump
- Removing the oil sump
- Inspecting the by-pass valve
- Refitting the oil sump
- SAS valve
- Inspecting the one-way valve
- Inspecting the cut-off
- Fuel supply
- Removing the carburettor
- Kehin
- Refitting the carburettor
- Kehin
- Level check
- Kehin
- Inspecting the valve and needle
- Kehin
- Inspecting the automatic choke device
- Kehin
- Adjusting the idle
Suspensions
- Front
- Removing the front wheel
- Front wheel hub overhaul
- Refitting the front wheel
- Steering column
- Removal
- Overhaul
- Refitting
- Front shock absorber
- Removal
- Refitting
- Shock-absorber - calliper bracket
- Overhaul
- Rear
- Removing the rear wheel
- Refitting the rear wheel
- Swing-arm
- Removal
- Overhaul
- Refitting
- Shock absorbers
- Removal
- Refitting
- Exhaust bracket
- Removal
- Refitting
- Centre-stand
- Side stand
Braking system
- Rear brake calliper
- Removal
- Overhaul
- Refitting
- Front brake calliper
- Removal
- Overhaul
- Refitting
- Rear brake disc
- Removal
- Refitting
- Disc Inspection
- Front brake disc
- Removal
- Refitting
- Disc Inspection
- Front brake pads
- Removal
- Refitting
- Rear brake pads
- Removal
- Refitting
- Fill
- Front
- Brake fluid level check
- Front brake pump
- Removal
- Overhaul
- Refitting
Cooling system
- Water pump - overhaul
- Check
Chassis
- Seat
- Rear rack
- Instrument panel
- Headlight assy.
- Knee-guard
- Removing the ignition key-switch when on *off*
- Removing the ignition key-switch when on *lock*
- Front wheel housing
- Taillight assy.
- Footrest
- Side fairings
- Rear mudguard
- Helmet bay
- Fuel tank
- Rear central cover
- Front mudguard
- Radiator fan
- Front central cover
Pre-delivery
- Aesthetic inspection
- Tightening torques inspection
- Electrical system
- Levels check
- Road test
- Static test
- Functional inspection
Time
- Engine
- Crankcase
- Crankshaft
- Cylinder assy.
- Cylinder head assy.
- Rocker arms support assy.
- Cylinder head cover
- Chain tensioner
- Oil filter
- Driven pulley
- Oil pump
- Final gear assy.
- Driving pulley
- Transmission cover
- Starter motor
- Flywheel magneto
- Carburettor
- Exhaust pipe
- Air cleaner
- Frame
- Centre-stand
- Footrests
- Rear cover
- Underseat compartment
- Mudguard
- Fuel tank
- Expansion tank
- Rear shock-absorber
- Steering column bearings
- Handlebar covers
- Handlebar components
- Swing-arm
- Brake hoses
- Seat
- Instrument panel
- Rear rack
- Locks
- Turn signal lights
- Front wheel
- Rear wheel
- Electric devices
- Front suspension

PARTS CATALOGUE
WIRING DIAGRAMS