Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 476Get this manual
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Temporarily adjust tube, so that longer threaded end of tube extends out the same distance as the outboard tilt tubeDo not tighten adjustment nuts at this time
aSteering Cable Mounting Tube (End of Tube with Longer Threads Toward Center of Boat Transom)Mounting BracketLocking Tab Washers (2)Adjustment Nuts (Flats of Nuts Facing Toward Locking Tab Washer) IMPORTANT: Lubricate inside of steering mounting tube with 2-4-C wTeflon (92-825407A12) before installing steering cableLubricate inside of steering cable mounting tube (starboard outboard) with 2-4-C wTeflonInsert steering cable end (a) (steering cable routed down port side of boat) thru cable mounting tube (b) and thread steering cable attaching nut (c) onto tube hand tight