6. CYLINDER HEAD/CYLINDER/PISTON SUPER 9 50 PISTON RING INSPECTION Feeler Gauge Piston Ring Measure each piston ring end gap. Service Limits: Top/Second SH10DA: 0.40mm replace if over SF10DA: 0.40mm replace if over Set each piston ring squarely into the cylinder using the piston and measure the end gap. CONNECTING ROD SMALL END INSPECTION Install the piston pin and bearing in the connecting rod small end and check for excessive play. Measure the connecting road small end I.D. Service Limit: SH10DA: 17.03mm replace if over SF10DA: 17.03mm replace if over PISTON/CYLINDER INSTALLATION First install the expander in the second ring Piston groove. Top Ring (1st Ring) Then install the top and second rings in their respective ring grooves. The piston rings should be pressed into the grooves with even force. After installation, check and make sure that each ring is flush with the piston at several points around the ring. A ring that will not compress means that Second Ring the ring groove has carbon deposits in it and should be cleaned. Expander 6-9