1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 348Get this manual
3Secure each steering cable attaching nut to tubes by torquing steering cable attaching nuts (Figure 13) to 35 lbsft(47.5 Nm)4Install rubber bumpers on inside of locking sleeves, then install locking sleeve over each steering cable attaching nut and secure with cotter pinSpread ends of cotter pinBe sure to install cotter pin so that it is located in-between attaching nut and grease fitting (Figure 13)
aSteering Cable Mounting TubeAdjustment NutsAdjust Tube in This Direction to Remove Slack from Steering SystemAdjust Tube in This Direction to Reduce Tightness from Steering System
Figure 11Steering System Tension Adjustment (Parallel Routed Steering Cables) 2After steering system tension is adjusted correctly, torque adjustment nuts (Figure 12) to 35 lbsft(47.5 Nm) and bend tab lockwasher against flat on each nut