Clean the whole motorcycle including underneath..
Wax the motorcycle..The first impression could help sell it..
Shine the tires..
Check the tire pressure..
Make sure it starts right up and idles good..
Make sure all the lights work..
Make sure directionals and brake lights work..
Check that the horn works..
Show it has been inspected by a motorcycle inspection station ..
Have the title ready if possible for review or a copy if there is a lien on it..
Have any maintenance records available for work done on the bike..
Show the receipts of added accessories, parts etc..
Offer extra parts as an incentive to the buyer to purchase the motorcycle..
Replace spark plugs with new original equipment plugs, if needed..
Change the oil and other fluids with genuine OEM products..
Sell your bike, like you would buy a bike..