Mercury F8LZ-6148-AA Kit - Piston Ring

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Caution should be exercised and proper installation procedures should be followed.

Lay out the piston/connecting rod assemblies and the new ring sets so the ring sets will be matched with the same piston and cylinder during the end gap measurement and engine assembly.

To measure the end gap, slip feeler gauges between the ends of the ring until a gauge equal to the gap width is found. The feeler gauge should slide between the ring ends with a slight amount of drag. Compare the measurement to the Chapter's Specifications. If the gap is larger or smaller than specified, double-check to make sure you have the correct rings before proceeding. If there is any doubt, contact the parts store where the rings were purchased to verify that the correct ring set is being used.