Honda BF35A-BF45A Outboard Motors Shop Manual., Page 448Get this manual
CONTROL CABLE SELECTION 1) Select mounting location which allows easy access and unrestricted operation of the control lever, and make sure that there are no other parts obstructing the cables and all components between the remote control box and the outboard motorNOTE: The remote control box is normally mounted on the starboard side, but can be adapted reversed control lever position (port side installation)Recommended position to install the control is close to the corner of the front seat with the control lever in the "N"(NEUTRAL) positionThe bottom of the remote control box should be at the same level as the upper surface of the seatInsert shim between the box and the installation surface, the the lever insufficient
NOTE: The bending diameter of cable must never be less than 400 (16 in)If the cable is routed tight arc, resistance on the control lever will increase, and smooth throttle operation is no longer possibleThis may lead loss of control over the craftThe cable length must be calculated in such way that an unrestricted operation is possible, even if the outboard motors are tilted or turned one sideIf the cable length is insufficient, the cable must be replaced with the one that has correct lengthInstallation Example REMOTE CONTROL BOX