2007 Evinrude E-Tec 75, 90 HP outboards Service Repair Manual P/N 5007211, Page 283Get this manual
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GEARCASE ASSEMBLY Retainer, PN 341438, to torque the pinion nut to 100 to 110 ftlbs(136 to 149 Nm)Housing must be completely seated to install retainer tabs
1 Retainer tab screws 001989