Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 469Get this manual
ATTACHMENTSCONTROL LINKAGE
WARNING
Locking retainer corner tabs, MUST BE bent up and against flats on each bolt that secures mounting bracket for steering cable mounting tube to outboard swivel bracket, to prevent bolts from turning outInstall steering cable mounting tube into mounting bracket with adjusting nuts and locking tab washersBe sure longer threaded end of tube is toward starboard side of boatTemporarily 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