I'm gathering some tips here for putting a motorcycle away for the winter. This is the way I do it and I've learned this mostly from the Triumph dealership where I bought my bike: Locomotion Powersports in Mahwah, NJ. I keep my bike in an unheated garage so these tips will be different if you keep your bike outside because you'll need a bike cover in that case.
The first thing I do is to get a full tank of high quality gas. It's good to fill the tank before you put a bike away. With the gas, I also put in some gas stabilizer (measurements are on the bottle).
The next thing I do is fill my tires, I use a portable air compressor from P.I. Auto Store and it's been working great for years. *Make sure your tires are cold before you inflate them
When my bike is ready to be put in my garage, I roll it onto two carpet swatches from an old carpet roll. This is good for the tires because it stops the tires from developing flat spots. Since my bike is over 500 pounds, it can be tricky to line up both tires onto the carpet so I measured out the distance between my tires and measured out the swatches on the garage floor before rolling the bike in.
Alright that's it, now it's time to wait until riding season starts again.