2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Repair Manual, PN 5005466, Page 192Get this manual
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GEARCASE WATER PUMP
68 Model
1 Water intake screen
COA3369
Apply Needle Bearing Grease to the impeller drive keyPlace the key on the flat of the driveshaft