Just drill a 3/4 inch hole for the supplied switch, unscrew the nut, push it through the hole and tigthen it up. Drill a 5/16 hole for the wire grommet and insert that. Run your wires up through the grommet. Wire the starter and pop the lid back on.

Size is everything. Heres the size compared to your favorite beverage. You can have this can ready for wiring before finishing the other can

Note the handy little spot yamaha left us to bolt our pod onto. Note make sure you loctite the bolt before reinstalling so it doesnt rattle loose