Kia Workshop Service and Repair Manuals

Piston: Specifications

Piston Diameter:

Standard ......................................................................................................................................................  3.1872 - 3.1879 inch (80.954 - 80.9720 mm)
0.010 inch (0.25 mm):

Oversize ....................................................................................................................................................  3.197 - 3.1977 inch (81.204 - 81.222 mm)

0.020 inch (0.50 mm):

Oversize ..................................................................................................................................................  3.2069 - 3.2076 inch (81.454 - 81.472 mm)

Piston To Cylinder Wall Clearance:

Standard ............................................................................................................................................................  0.0015 - 0.0021 inch (0.039 - 0.053 mm)
Maximum .........................................................................................................................................................................................  0.006 inch (0.15 mm)

Piston Ring To Piston Ring Groove Clearance:

Top Ring:

Standard Clearance .............................................................................................................................................  0.002 - 0.003 inch (0.04 - 0.08 mm)
Maximum Clearance ..................................................................................................................................................................  0.006 inch (0.15 mm)

Second Ring:

Standard Clearance .............................................................................................................................................  0.001 - 0.003 inch (0.03 - 0.07 mm)
Maximum Clearance ..................................................................................................................................................................  0.006 inch (0.15 mm)

Piston Pin Hole Diameter ..................................................................................................................................  0.7872 - 0.7875 inch (19.994 - 20.002 mm)