1993 Johnson Evinrude "ET" 9.9 thru 30 Service Repair Manual, P/N 508282, Page 253Get this manual

1993 Johnson Evinrude "ET" 9.9 thru 30 Service Repair Manual, P/N 508282, Page 253

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156135 Pressue and vacuum test the gearcase as follows:
Hold down firmly the driveshaft and pump pressue up to 3-6 PSI (21-41 kPa)If pressue gauge indicates leakage, submerge the gearcase in wat