1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 110Get this manual

1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 110

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Piston Ring to Groove Clearance Standard: Piston Ring Groove Width 1st 2nd Oil 0.0480.049 in(1.221.24 mm) 0.0590.060 in(1.511.53 mm) 0.1110.112 in(2.812.83 mm) Piston Ring Thickness 0.0460.047 in(1 .1