Vespa LX Series - Page 18

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