A trout spinning outfit is adequate enough if you are just targeting coho salmon in the Capilano River. Bring along a box of lures like Gibbs' golden/silver hammered Crocs in 1/4oz and 1/8oz, spinners made from size 2 to 4 Colorado blade, you should do just fine. I would find spots where water is less turbulent so your lure can reach the depth where the fish are without being swept downstream too quickly by the current. I would also find spots where you can walk into the water safely. Cast and retrieve, be ready for strikes immediately after the lure lands in the water, watch for fish following behind your lure as you retrieve. First and last light are your best bet, a steady rise of water level after or during rainfall is also a good time to be there. As cutthroat22 pointed out, invest a day of hiking around the area to discover potential spots you can get to them quickly when you decide to go fishing there at first light. April and May are months when you will start seeing some fish in the river, but June and July are usually most productive, depending on water level and the amount of fish returning of course.