1993 Johnson Evinrude "ET" 60 thru 70 Service Repair Manual, P/N 508284, Page 174Get this manual
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8 Tighten all three screws to following torques: Two side screws15-17 ftIbs(20-23 Nm) Center screw28-33 ftIbs(38-45 Nm)
11 While holding the steering handle assembly in place