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

A3 Mk1

Piston and cylinder dimensions
Piston and cylinder dimensions
   
Honing dimension (in mm)Piston ØCylinder bore Ø
Basic dimension80.965 1)81.010
1st oversize81.465 1)81.510
l  1) Dimension not including graphite coating (thickness 0.02 mm). The graphite coating wears down in service.

   

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