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Engine cylinder head, valve gear > < Pistons and conrods - exploded view of components

A3 Mk2

Piston and cylinder dimensions
Piston and cylinder dimensions
   
Honing dimension (in mm)Piston Ø 1)Cylinder bore Ø
Basic dimension76.475 2)76.510
Repair oversize I76.725 2)76.760
Repair oversize II76.975 2)77.010
l  1) Measure approx. 12 mm from bottom edge of piston.
l  2) Dimensions including graphite coating (thickness 0.01 mm). The graphite coating will wear down in service.

   

Engine cylinder head, valve gear > < Pistons and conrods - exploded view of components