Mercury Optimax Models 135, 150, Direct Fuel Injection., Page 475Get this manual
ATTACHMENTSCONTROL LINKAGE
WARNING
After installation is complete [and before operating outboard(s)], check that boat will turn right when steering wheel is turned right and that boat will turn left when steering wheel is turned leftCheck steering thru full range (left and right) at all tilt angles to assure interference-free movementAdjust trim tabs of both outboards, as outlined in "Trim Tab Adjustment", following
Opposite Side Routed Steering Cables and Attaching Kit Installation
(One Cable Routed down Starboard Side of Boat and One Cable Routed down Port Side of Boat)
SUPER RIDE-GUIDE STEERING KIT INSTALLATION
IMPORTANT: Steering cable must be installed into tilt tube of port outboard before outboard is mounted on boat transomInstall Super Ride-Guide Steering Kit in accordance with instructions included with Super Ride-Guide Kit
STEERING CABLE INSTALLATIONSTARBOARD OUTBOARD
IMPORTANT: Mounting bracket for steering cable mounting tube MUST BE secured to outboard swivel bracket, using 58 in(16 mm) long bolts supplied with this dual cabledual outboard attaching kitSecure mounting bracket for steering cable mounting tube, onto swivel bracket of starboard outboard