1998 Johnson Evinrude "EC" 2 thru 8 Service Repair Manual, P/N 520202, Page 157Get this manual
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23 Tighten the six main bearing screws in stages to final torque of 60-84 inIbs(7-9 Nm)Begin with center screws and work outward in spiral patternTighten the four flange screws to torque of 60-84 inIb