KOOTENAY Sustain 2020, Instruction Manual, Page: 6 / 9

iv. Insert the 4.3” click fins into the fin boxes on either side
v. Push each fin straight back un4l it clicks into place and the base of the fin is flush
with the fin box (remove by pushing the fin forward un4l it disengages from the
fin box)
vi. Secure the side bites by 4ghtening the grub screws on each side of the fin boxes
with the included fin key (4ghten un4l snug…over 4ghtening will strip the threads
in the fin box)
Op4on to insert 4.6” centre flex fin for shallower rivers
vii. Insert the square washer into the middle of the centre fin box
viii. Slide the washer to the desired posi4on
ix. Secure the screw through the hole at the back of the fin
6