Drowned bikes.
First, DO NOT start the bike or try to, all sorts of damage can be caused
Take the air filter out and wring it out
Take the plug out and clean it
Lift the front wheel up so the bike is virtical and allow the water to drain out of the exhaust Then put the bike back down
Dry out the airbox
Now for the heavy bit. put the bike upsidedown
Put the bike in top gear and rotate the rear wheel (in the way the weel would rotate if the bike were moving). DO this for several roations to ensure all the water is out
Put the bike back on its wheels, replace the plug and filter, covers etc.
Kick the bike up / use the girly electric start (sorry ladies)
If the bike fails to start it will need towing and jump starting
For those of you who have been up to the north east you will probably be familiar with this