Regardless of where you store it, I'd say that draining it and spining the motor with the kill switch removed for a second will be your best bet. If you don't, to an extent depending on where it's stored, you're rolling the dice.
Previous: 1993 Prostar 205
Red 1998 Ski Nautique, PCM GT40, 310 hp, , Acme 4 blade, Perfect Pass SG/Zbox.
Be kind. Have fun.