Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 463Get this manual
ATTACHMENTSCONTROL LINKAGE
Installing Steering Cables
IMPORTANT: Lubricate inside of outboard tilt tube, inside of steering cable mounting tube and rubber O-ring seal (located in outboard tilt tube) with Quicksilver 2-4-C wTeflon before installing steering cablesLubricate inside of outboard tilt tube and inside of steering cable mounting tube with Quicksilver 2-4-C wTeflonVerify rubber O-ring seal (a) (located in outboard tilt tube) is lubricated
Insert steering cable ends (a) thru outboard tilt tube (b) and cable mounting tube (c)Thread steering cable attaching nuts (d) on to tubes hand tight