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Measuring radial clearance of conrods > < Allocation of conrods and conrod bearing shells to crankshaft

A4 Mk2

Piston and cylinder dimensions
Piston and cylinder dimensions
There are different piston sizes specifically matched to the varying bore dimensions for cylinder block.
   
Cylinder bore Ø mmPiston Ø mm
84.510 ± 0.00584.490 1)
84.610 ± 0.00584.590 1)
l  1) Dimensions including graphite coating (thickness 0.01 mm). The graphite coating will wear down in service.

   

Measuring radial clearance of conrods > < Allocation of conrods and conrod bearing shells to crankshaft