i did a few long trips and 500+ miles days on a M750.
keep the weight low, don't try to wear a backpack for long runs.
get waterproof gear for you and the stuff you are carrying
my biggest piece of advice, don't overpack.
i'm still working on this part. after you figure out what you need, go through it again and get rid of at least 1/4 of it. then when you are packing the bike, get rid of another 1/4. then figiure out what you really donb't need and take off another 1/4. more room to carry stupid crap you pick up along the way or for food if you are camping