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Home >> Mercury >> 1993 >> Capri Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.3L 4-CYL - VIN [H] & 1.6L 4-CYL DOHC - VINS [Z,6] >> Overhaul >> Cylinder Block Assembly >> Fitting Pistons

Fitting Pistons

  1. With piston assembly removed, remove piston rings and clean piston. Measure piston outer diameter in thrust direction, below oil ring groove. Diameter is 2.793-2.794" (70.954-70.974 mm) for 1.3L engines; 3.0690-3.0698" (77.954-77.974) for 1.6L engines.
  2. Place piston upside-down in cylinder from which it was removed. Using a feeler gauge, measure clearance between piston and cylinder bore. If clearance is not within specification, bore cylinder and replace piston as necessary. See CYLINDER BLOCK  table in ENGINE SPECIFICATIONS.