1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Repair Manual, P/N 503146, Page 150Get this manual
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1221 9 Measure the piston in two locations, 90 apart from each other, Vs in(3 mm) above the bottom of the piston skirt
1241 12 Use feeler gauge to check groove side clearance on the