Locate the gas tank above the engine.
Follow the gas hose under the tank to the carb on the engine.
Place the gas container under the engine carb. Unscrew the clamp holding the gas hose onto the carb with the proper sized socket.
Pull off the hose and allow the gas to drain into the gas container.
Fit the proper sized sockets on the six to eight bolts holding the base of the engine block onto the generator frame. Unscrew and remove the bolts with the ratchet.
Locate the bolt on the neck of the gear or pulley tightened onto the engine's crankshaft. Fit the proper sized socket on the bolt and remove it.
Pull the engine off the generator frame.