Operation CHARM: Car repair manuals for everyone.

Piston

Diameter
Measured 56 mm (2.205 inch) from the piston dome at 90 degrees to the pin
3.952 - 3.953
Piston to bore clearance 0.0008 - 0.0019
Pin bore diameter 0.9452 - 0.9453
Top ring grove width 0.0778 - 0.0783
Bottom ring groove width 0.1172 - 0.1177
Diameter-coded blue 3.972
Diameter-coded yellow 3.99