Vespa LX Series User Manual

STANDARD COUPLING CLEARANCE
Name Description Dimensions Initials Quantity
Top piston ring 0.025 to 0.070
Middle piston ring 0.015 to 0.060
oil scraper 0.015 to 0.060
MAXIMUM ADMITTED CLEARANCE AFTER USE
Name Description Dimensions Initials Quantity
Top piston ring 0.080 mm
Middle piston ring 0.070 mm
oil scraper 0.070 mm
Removing the piston
- Install piston and wrist pin onto the connecting
rod, aligning the piston arrow the arrow facing to-
wards the exhaust.
- Fit the pin retainer ring onto the appropriate tool.
Specific tooling
020430Y Pin lock fitting tool
- With the opening in position indicated on the tool,
take retainer ring in the closed position using the
punch.
- Fit the wrist pin snap ring using the plug as shown
in the figure
N.B.
THE TOOL FOR INSTALLING THE RETAINER RINGS MUST
BE USED MANUALLY.
CAUTION
USING A HAMMER TO POSITION THE RINGS CAN DAM-
AGE THE LOCKING HOUSING.
Engine Vespa LX 125 - 150 i.e.
ENG - 118

Vespa LX Series Specifications

General

Displacement	124 cc
Cooling System	Air-cooled
Front Tire	110/70 - 11"
Rear Tire	120/70 - 10"
Seat Height	785 mm
Kerb Weight	114 kg
Wheelbase	1, 280 mm
Length	1, 770 mm
Width	705 mm
Height	1, 140 mm
Engine Type	Single-cylinder, 4-stroke
Fuel System	Carburetor
Max Torque	10.4 Nm @ 6, 000 rpm
Transmission	Automatic
Front Suspension	Single-sided trailing arm with hydraulic shock absorber
Rear Suspension	Hydraulic shock absorber
Front Brake	200mm disc brake
Rear Brake	110mm drum brake