briggs and stratton vertical engine 5 tp 140cc 7/8" x 3-5/32" #9p602-0077 briggs & stratton mounting holes are not threaded. use your existing bolts from your old engine, as the manufacturers use self-threading bolts, or a nut and bolt combination. briggs 5 torque power engine 140cc 7/8" x 3-5/32" keyed shaft. compliance engine. universal replacement engine for snapper, mtd, murray, ayp, noma, and other rotary mowers. model 9p602-0077.