Forgo the tarp unless its a breathable motorcycle cover.
Also a good idea to check the glycol content of the antifreeze to verify it at the proper percentage to offer protection for the temps it will see.
Top up the tank is a good idea. Changing the oil is up to you. If the oil is close to needed changed because of mileage go for it. If your only around 1/2 way through its life cycle I'd not change it. The additives package in the oil is still effective and will naturalize acids leftover from combustion.
The other myth is your tires will flat spot if you don't get the weight off the bike, over inflate the tires and/or move the bike every couple of days. Trust me over the winter even inflated with 3psi they won't flat spot.
So many people think unless you are overmaintaing a motorcycle you are undermaintaing a motorcycle. A motorcycle sitting out of the weather for 3, 6, 9, 12 months is not long term and really doesn't need any special treatment. I've brought several 40+ year old motorcycle that sat for 10, 15 or 20 years back to running order with a lot less work than you think. Change the oil, clean the carbs and gas tank put in a fresh battery and hit the starter.
Last edited by PerazziMx14; 09-18-2018 at 08:59 AM.