Vespa LX Series User Manual

PISTON TO CAST IRON CYLINDER COUPLING (125)
Name Initials Cylinder Piston Play on fitting
Coupling M 56.997 to 57.004 56.944 to 56.951 0.046 to 0.060
Coupling N 57.004 to 57.011 56.951 to 56.958 0.046 to 0.060
Coupling O 57.011 to 57.018 56.958 to 56.965 0.046 to 0.060
Coupling P 57.018 to 57.025 56.965 to 56.972 0.046 to 0.060
Coupling 1st oversize M1 57.197 to 57.204 57.144 to 57.151 0.046 to 0.060
Coupling 1st oversize N1 57.204 to 57.211 57.151 to 57.158 0.046 to 0.060
Coupling 1st oversize O1 57.211 to 57.218 57.158 to 57.165 0.046 to 0.060
Coupling 1st oversize P1 57.218 to 57.225 57.165 to 57.172 0.046 to 0.060
Coupling 2nd oversize M2 57.397 to 57.404 57.344 to 57.351 0.046 to 0.060
Coupling 2nd oversize N2 57.404 to 57.411 57.351 to 57.358 0.046 to 0.060
Coupling 2nd oversize O2 57.411 to 57.418 57.358 to 57.365 0.046 to 0.060
Coupling 2nd oversize P2 57.418 to 57.425 57.365 to 57.372 0.046 to 0.060
Coupling 3rd oversize M3 57.597 to 57.604 57.544 to 57.551 0.046 to 0.060
Coupling 3rd oversize N3 57.604 to 57.611 57.551 to 57.558 0.046 to 0.060
Coupling 3rd oversize O3 57.611 to 57.618 57.558 to 57.565 0.046 to 0.060
Coupling 3rd oversize P3 57.618 to 57.625 57.565 to 57.572 0.046 to 0.060
Piston rings
SEALING RINGS (125)
Name Description Dimensions Initials Quantity
Compression ring 57 x 1 A 0.15 to 0.30
Oil scraper ring 57x1 A 0.10 to 0.30
Oil scraper ring 57x2.5 A 0.10 to 0.35
Compression ring 1st
oversize
57.2 x 1 A 0.15 to 0.30
Oil scraper ring 1st
oversize
57.2x1 A 0.10 to 0.30
Oil scraper ring 1st
oversize
57.2x2.5 A 0.10 to 0.35
Compression ring 2nd
oversize
57.4x1 A 0.15 to 0.30
Oil scraper ring 2nd
oversize
57.4x1 A 0.10 to 0.30
Oil scraper ring 2nd
oversize
57.4x2.5 A 0.10 to 0.35
Compression ring 3rd
oversize
57.6x1 A 0.15 to 0.30
Oil scraper ring 3rd
oversize
57.6x1 A 0.10 to 0.30
Oil scraper ring 3rd
oversize
57.6x2.5 A 0.10 to 0.35
Maximum clearance after use: 1 mm
SEALING RINGS (150)
Name
Description Dimensions Initials Quantity
Compression ring 62.6x1 A 0.15 to 0.30
Oil scraper ring 62.6x1 A 0.20 to 0.40
Oil scraper ring 62.6x2.5 A 0.20 to 0.40
Compression ring 1st
oversize
62.8x1 A 0.15 to 0.30
Oil scraper ring 1st
oversize
62.8x1 A 0.20 to 0.40
Oil scraper ring 1st
oversize
62.8x2.5 A 0.20 to 0.40
Compression ring 2nd
oversize
63.0 x 1 A 0.15 to 0.30
Oil scraper ring 2nd
oversize
63.0 x 1 A 0.20 to 0.40
Oil scraper ring 2nd
oversize
63.0 x 2.5 A 0.20 to 0.40
Vespa LX 125 - 150 i.e. Characteristics
CHAR - 17

Vespa LX Series Specifications

General

Brand	Vespa
Model	LX Series
Category	Scooter
Language	English