Have you ever wanted to make your own boat, cheap and fast? well now you can. so this is what i’ve been working on for the last couple of weeks. this is a. Sjx jet boats inc. is located in orofino, idaho. right in the heart and soul of shallow water proving grounds, as well as the steelhead fishing capital of the world.. Jet boat charts, diagrams & faq’s. these pages are a composite of information collected and compiled by us over the past twenty years. we hope you will find them.