It always seemed sort of hard to find when going to the Briggs site. Always seemed to have to kind of poke around to get there, so I saved the direct link to my favorites a long time ago. Even then, you can't just put your engine number in the blank, you have to scroll down the page a bit and look for yours among a few groups of engines, then to yours specifically. Once you find it, you can look at it, but can't down load it, or at least I can't on my computer, but I can open them in my "open in preiview", and from there I can print them. Briggs says they'll send you a pdf, upon request, if they have it. Never tried it myself, but I'm going to guess it's through here:
Frequently Asked Questions | Customer Support | Briggs & Stratton