1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Repair Manual, P/N 507263, Page 151Get this manual

1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Repair Manual, P/N 507263, Page 151

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6 Install piston rings on each pistonTapered ring must be installed in top grooveSpread each ring with ring expander just enough to slip it over the head of the piston and down into place7 Coat the pi