My own bit of starting magic went this way --
Last fall, I just shut off the fuel valve and let the engine run until it stopped from lack of fuel. Pushed the mower into the shed. Never got around to draining the tank -- Winter came on way early.
This spring, I turned on the fuel valve and let the old gas in the tank flow into the carburetor bowl, released the flywheel brake and pulled the starting cord real slow two times just to see what the engine felt like turning over.
Hmmm, going to be hard to start it now, since it's already running!
Honda engine, no throttle control, choke, or primer to play with.