spares... If it's a new bike... 10,000 odd miles/km... only things like bulbs , fuses anything that could be broken if droped... a spare oil & air filter
for a used bike... replace brake pads/wheel bearings/seals maybe cush drive rubbers before yer leave .. check the chain/spockets take oil/air filters , fuses ,
bulbs.
sounds like yer have dune it all before... sure you have some idea...

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Harley Davidson..
The easyest way to turn gasoline into noise with out the side efect of horse power...