Assembly Clearances - VESPA LX 2012 Service Station Manual

Characteristics

Assembly clearances

Cylinder - piston assy.
Specification
Piston diameter
Cylinder diameter
Specification
Piston diameter
Cylinder diameter
Name
cylinder-piston
cylinder-piston
cylinder-piston
cylinder-piston
Name
cylinder-piston
cylinder-piston
cylinder-piston
cylinder-piston
N.B.
THE PISTON MUST BE INSTALLED WITH THE ARROW FACING TOWARDS THE EXHAUST SIDE,
THE PISTON RINGS MUST BE INSTALLED WITH THE WORD «TOP» OR THE STAMPED MARK
FACING UPWARDS.
CHAR - 14
Vespa LX - S 125 3V ie 150 3V ie (2012)
CYLINDER - PISTON (125)
CYLINDER - PISTON (150)
COUPLING CATEGORIES (125)
Initials Cylinder
A 51.980 to 51.987
B 51.987 to 51.994
C 51.994 to 52.001
D 52.001 to 52.008
COUPLING CATEGORIES (150)
Initials Cylinder
A 57.980 to 57.987
B 57.987 to 57.994
C 57.994 to 58.001
D 58.001 to 58.008
Desc./Quantity
51.961 (±0.014) mm
52 (+0.008 -0.020) mm
Desc./Quantity
57.947 (± 0.014) mm
58 (+0.008 -0.020) mm
Piston Play on fitting
51.947 to 51.954 0.026 ÷ 0.040
51.954 to 51.961 0.026 ÷ 0.040
51.961 to 51.968 0.026 ÷ 0.040
51.968 ÷ 51.975 0.026 ÷ 0.040
Piston Play on fitting
57.933 to 57.940 0.040 to 0.054
57.940 to 57.947 0.040 to 0.054
57.947 to 57.954 0.040 to 0.054
58.954 to 58.961 0.040 to 0.054