pull the plugs and turn the engine over... that'll pump out the gas (might wanna stick a rag there too). for good measure leave it open for a bit to dry out a little more but it's not required. then the easiest way to oil up the cylinder walls is by spraying WD40 down into the sparkplug hole and letting it soak a little while to lube and get rid of any excess gas still left. after that start it up and you should be good to go. i've seen the same done on hydrolocked motors that ran great after it was completed so i'm sure it would work with fuel as well.