Here is my checklist of items to pack for the trip. I've poured over this list many times and keep adding and removing things as situations or views change. But I think its a pretty solid reference for items one might need for a motorcycle trip such as this.
CAMPING/SLEEPING EQUIPMENT
___ ear plugs
___ flashlights (headlamp & magnilite)
___ flashlight batteries (spares)
___ knife
___ nylon cord
___ pillow (travel)
___ sleeping bag or sheet
___ sleeping pad
___ tent
___ tent rain fly
COOKING/EATING EQUIPMENT
___ bags (plastic small trash, 1 for every 4-5 days)
___ cup & spoon
___ fork
___ knife
___ energy bars/trailmix
___ salt & pepper
___ stove
___ stove fuel tablets
___ water bottle(s) (2)
___ water bladder
___ freeze dried food x3
RIDING CLOTHING
___ Riding Gear (Jacket/Pants)
___ boots
___ gloves (hot weather)
___ helmet
___ riding pants
___ rain gear
___ shirts (short-sleeve) x3
___ socks (cotton) x2
___ socks (wool) x2
___ spandex shorts
___ sunglasses
___ underwear x5
CAMP/CASUAL/HIKING CLOTHES
___ hiking shoes/boots
___ camp flip flops
___ changes of clothes (3-5, rolled up)
___ jeans/pants
___ shorts
___ socks
___ Toboggin (Wigwam)
___ swimming suit
___ T-shirts
___ underwear
___ wind breaker
___ One set of "nice" clothes
PERSONAL EFFECTS
___ backpack (small w/ bladder)
___ book (paperback)
___ ipod
___ netbook w/protective sleeve
___ camera
___ camera spare batteries x2
___ memory cards x3
___ campground guides/maps
___ cellular phone
___ cell phone charger
___ chapstick
___ contact lens stuff
___ glasses & case
___ lighter
___ magnesium striker
___ electric razor
___ first aid kit (painkillers, tweezers, gauze, bandaids, spaceblanket, iodin pills, etc..)
___ fishing gear
___ insect repellent/bug spray
___ cash ($25-$30/day/person)
___ credit cards
___ pen/pencil
___ shampoo
___ shower gel/soap
___ lotion
___ hand sanitizer
___ sun-screen
___ toilet paper in sealed plastic bag
___ toiletries organizer
___ toiletries (deodorant, cologne/febreeze?)
___ toothbrush & paste
___ Aleve & Excederin
___ travel towel
___ wash cloth/luffa
___ watch
___ binoculars
___ GPS
BIKE STUFF
___ anti-fogger (visor)
___ bags (large ziplock garbage)
___ bike rain cover
___ North Face duffle bag
___ bungee cord/straps for duffle
___ extra/spare key (ignition)
___ duct tape
___ insurance certificate