1993 Johnson Evinrude "ET" 60 degrees LV Service Repair Manual, P/N 508286, Page 222Get this manual
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rcl r:;l 9 Assemble remaining shims, new tab-lock washer, and impeller nut onto driveshaftTorque impeller nut to 16-18 ftIbs(22-24 Nm)Use new tab-lock washer each time, and bend tabs around driveshaft