Cylinder Block Assembly: Specifications

11 11 Engine Block (crankcase) W11 / COOPER B16
Bore diameter a) 76.992-77.008 mm
Permitted out-of-round of cylinder bore a) 0.0076 mm
Permitted conicity of cylinder bore a) 0.051 mm
Permissible total wear tolerance between piston and cylinder (engine operated) 0.100 mm
a) new condition

11 21 Crankshaft and Bearings W11 / COOPER B16
Main journal diameter 47.922-48.008 mm
Radial play of main bearings 0.022-0.062 mm
Radial play of main bearings (wear limit) 0.700 mm
Axial play of crankshaft 0.090-0.240 mm
Axial play of crankshaft (wear limit) 0.300 mm
Conrod bearing journal diameter 45.992-46.008 mm
Radial play of conrod bearings 0.023-0.067 mm
Radial play of conrod bearings (wear limit) 0.070 mm


11 25 Pistons with Rings and Pins W11 / COOPER B16

1st groove
End clearance 0.200-0.360 mm
Contact clearance (wear limit) 0.800 mm
Axial play 0.025-0.065 mm
2nd groove
End clearance 0.250-0.460 mm
Contact clearance (wear limit) 1.000 mm
Axial play 0.025-0.065 mm
3rd groove
End clearance 0.200-0.580 mm
Contact clearance (wear limit) 1.000 mm
Axial play 0.004-0.178 mm

11 23 1AZ Vibration Damper To Crankshaft
W10/W11 M12
Replace screw 115 Nm