To sleep:

Tent
Canopy
Sleeping Bag
Foil blanket
Camping mat
Inflatable pillow

To wear:

Helmet
Motorcycle jacket (3-lining)
Motorcycle pants (3-lining)
Motorcycle boots
Motorcycle gloves
Working glowes
T-shirts (your ad could be there!)
Sweater
Shorts
Jeans
Street shoes
Thermal underwear
Belt
Hat
Windstoppa
Fleese jacket

To cook:

Multifuel stove
Water
Food
Utensil
Matches
Salt\pepper

To maintain:

Ratchet
Heads 8, 10, 12, 13, 14, 27
Wrenches 8, 10, 12, 13, 14, 17
Allen keys
Torx keys
Screwdrivers
Clips\Pliers
Leatherman toolset
Cableties
Wires
Spare fuses
DUCT TAPE!
Inner tires (and repair kit)
Tire changing tools
Spare spark plugs
Bolts\nuts
Air pump

To see:

GoPro + Case + mounting
Photocamera
Navi
Memody cards
Portable HDD
Notebook
Cellphone
Chragers
Paper maps

Others:

TOWEL! :)
Plastic bags
Medikit
Paper
Wallet
Documets
Carnets de Passage
Insurance
Pen\pencil and notepad
Head-mounted lamp
Can for oils\gas
Earplugs