Operation CHARM: Car repair manuals for everyone.

Piston, Engine

11 25 Pistons with Rings and Pins W10 / COOPER B16





Pistons and pins are matched - only replace together in pairs
Measuring point "A" (position)
Piston dia. at measuring point "A"
Original (new dimension) 76.956-76.974 mm
Piston running clearance 0.018-0.520 mm
Permissible total play between piston and cylinder (engine operated) 0.150 mm
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