VESPA PX 150 USA, Workshop Manual

Page: 12 / 138

Overhaul data
Assembly clearances
Cylinder - piston assy.
The cylinder classification must be carried out at 25 mm from the head mating surface on the rod's
swinging plane.
MATING CATEGORIES - 150CC ENGINE
Name Initials Cylinder Piston Play on fitting
Cylinder - piston B 57,795 57,555 0,240
Cylinder - piston C 57,800 57,650 0,240
Cylinder - piston D 57,805 57,565 0,240
Cylinder - piston E 57,810 57,570 0,240
Cylinder - piston F 57,815 57,575 0,240
Cylinder - piston G 57,820 57,580 0,240
Cylinder - piston H 57,825 57,585 0,240
Cylinder - piston (1st
oversize)
C 58,000 57,760 0,240
Cylinder - piston (1st
oversize)
D 58,005 57,765 0,240
Cylinder - piston (1st
oversize)
E 58,010 57,770 0,240
Cylinder - piston (1st
oversize)
F 58,015 57,775 0,240
Cylinder - piston (1st
oversize)
G 58,020 57,780 0,240
Cylinder - piston (2nd
oversize)
C 58,200 57,960 0,240
Cylinder - piston (2nd
oversize)
D 58,205 57,965 0,240
Characteristics
Vespa PX 150 USA
CHAR - 12