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11 25 Pistons with Rings and Pins N52 B25

ENGINE - TECHNICAL DATA (11 25 PISTONS WITH RINGS AND PINS N52 B25)

Piston and pin are paired to each other - replace together only.    
Measuring point "A" (position) mm 10
Piston diameter at measuring point "A"    
Original (new dimension) mm 81.985 ± 0.014
Repair stage (new dimension) mm %
Oversize (new dimension) mm 82.235 ± 0.014
Piston installation clearance (piston new) mm 0.000 ... 0.043
Piston installation clearance (piston worn) mm 0.020 ... 0.047
Permissible total wear tolerance between piston and cylinder
(engine operated)
mm 0.15


ENGINE - TECHNICAL DATA (11 25 PISTONS WITH RINGS AND PINS N52 B25)

1st groove    
End clearance mm 0.18 ... 0.33
Axial play mm 0.020 ... 0.060
2nd groove    
End clearance mm 0.30 ... 0.50
Axial play mm 0.020 ... 0.060
3rd groove    
End clearance mm cannot be measured
Axial play mm cannot be measured