To assemble the wire (see picture with red kayak and see attached video's). And please put the rope here (see picture with blue/white kayak), that will stop the rudder from coming back up.
If you require adjustment of the Rudder Tension and Positioning on the Pedal Pro Fish Tandem, 4.3m Pedal-Powered Fishing Kayak, please undo the two screws, re-adjust and position the rudder into the centre position and retighten. If the wire has ...
Rudder Assembly Instructions for 3.6m Pedal Pro Kayak and 2.9m Modular Kayak from Vicking https://workdrive.zohoexternal.com/file/fx2aba8ae1c22a8184c66ae5ea10a2f78f61a
They are not really necessary. They are used to tighten the string (between the footrest and the rudder) so that there is enough tension on the toe piece so that it pulls it forwards. See the attached video showing how to use it.