Fulltiming is certainly doable and with the right preparation you can be successful in many types of weather and seasons. You are smart to research this avenune, Truck Campers, as you have other RVs too.
Since you are going on long trips, for now, you will be able to try out this lifestyle if you finally decide to sell your home base and begin fulltiming. It certainly is something to check out before attempting to fulltime.
Also, using motorcycles as get around vehicles is very limited unless you are just Snowbirding and heading south and north, as the weather changes. Rain, Snow and Ice will limit your opportunities in exploring with motorcycles, than a car would. Just something to consider.
Have fun!
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