Should be an accessory panel on that side of bow. You will need to remove the panel, then using dexterity, locate the nuts by reaching into the area which will be the underside of the top cap and apply pressure while tightening. At least that is how I get to do it on the older BassCats!96 Eyra/12 Mercury 175 Pro XS with 2015 single axle trailer2017 Victory Gunner