1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Repair Manual P/N 507947, Page 167Get this manual
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Service Specifications Special Torque Chart
Nut Lock 40, 48, 50 Models
50-54 ftIbs(68-73 Nm)
after torquing
Tilt Tube Pulle PN 392998 Twist Grip Remover PN