Vespa LX Series User Manual

Name Description Dimensions Initials Quantity
Compression ring 3rd
oversize
63.2 x 1 A 0.15 to 0.30
Oil scraper ring 3rd
oversize
63.2 x 1 A 0.20 to 0.40
Oil scraper ring 3rd
oversize
63.2 x 2.5 A 0.20 to 0.40
Crankcase - crankshaft - connecting rod
AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CONNECTING ROD
Name
Description Dimensions Initials Quantity
Transmissionside half-
shaft
16.6 +0-0.05 A D = 0.20 to 0.50
Flywheel-side halfshaft 16.6 +0-0.05 B D = 0.20 to 0.50
Connecting rod with PP 18 -0.10 -0.15 C 0.20 to 0.50
Crank pin width 51.400 E
AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CRANKSHAFT HALF-BEARINGS
Name
Description Dimensions Initials Quantity
Crankshaft Category 1 28.998 to 29.004
Crankshaft Category 2 29.004 to 29.010
Crankcase Category 1 32.953 to 32.959
Crankcase Category 2 32.959 to 32.965
Crankshaft half-bearing Category B - blue 1.973 to 1.976
Crankshaft half-bearing Category C - yellow 1.976 to 1.979
Crankshaft half-bearing Category E - green 1.979 to 1.982
Crankshaft category 1 -
Crankcase category 1
E - E
Crankshaft category 1 -
Crankcase category 2
C - C
Crankshaft category 2 -
Crankcase category 1
C - C
Crankshaft category 2 -
Crankcase category 2
B - B
Crankshaft/crankcase axial clearance: 0.15 to 0.40
Characteristics Vespa LX 125 - 150 i.e.
CHAR - 18

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