Slot Packing System; Axial Clearance Between Crankshaft And Connecting Rod - PIAGGIO XEVO 125 Euro 3 Service Station Manual

Characteristics

AXIAL CLEARANCE BETWEEN CRANKSHAFT AND CONNECTING ROD

Name
Half-shaft, trans-
mission side
Flywheel-side half-
shaft
Connecting rod
Spacer tool

Slot packing system

Characteristic
Compression ratio
12 ± 0.5: 1
Measurement «A» to be taken, is a value of piston protrusion. It indicates by how much the plane formed
by the piston crown protrudes from the plane formed by the upper part of the cylinder. The further the
piston protrudes from the cylinder, the thicker the base gasket to be used (to restore the compression
ratio) and vice versa.
N.B.
NO GASKETS AND SEALS SHOULD BE ASSEMBLED BETWEEN THE CRANKCASE AND CYL-
INDER AND THE DIAL GAUGE EQUIPPED WITH SUPPORT SHOULD BE SET TO ZERO FOR
MEASUREMENT «A» TO BE TAKEN WITH THE PISTON AT TOP DEAD CENTRE POSITION AND
ON A RECTIFIED PLANE.
CHAR - 12
Description Dimensions
16.6 +0-0.05
16.6 +0-0.05
18 -0.10 -0.15
51.4 +0.05
XEVO 125 Euro 3
Initials Quantity
A D = 0.20 - 0.50
B D = 0.20 - 0.50
C D = 0.20 - 0.50
E D = 0.20 - 0.50