MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Piston: Testing and Inspection
Piston Inspection
Piston Inspection
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Measure the outer diameter of each piston at right angle (90°) to the piston pin, 16.5 mm (0.650 inch) below the oil ring groove lower edge.
Piston diameter
