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Checking radial clearance of conrod bearings >
< Pistons and conrods - exploded view of components
A4 Mk1
Power unit
4-cylinder engine (2-valve, roller rocker fingers), mechanics
Enginecrankshaft group, pistons
Dismantling and assembling pistons and conrods
Piston and cylinder dimensions
Piston and cylinder dimensions
Piston and cylinder dimensions
Honing dimension (in mm)
Piston Ø mm
Cylinder bore Ø mm
Basic dimension
80.965
1)
81.010
1st oversize
81.465
1)
81.510
l
1)
Dimension not including graphite coating (thickness 0.02 mm). The graphite coating wears down in service.
Power unit
4-cylinder engine (2-valve, roller rocker fingers), mechanics
Enginecrankshaft group, pistons
Dismantling and assembling pistons and conrods
Piston and cylinder dimensions
Checking radial clearance of conrod bearings >
< Pistons and conrods - exploded view of components