You might want to Google for qualified service locations and call them for a quote. They should know and be able to tell you what its going to cost you for the different mile check-ups and oil changes.
CONSUMER WARNING: Use of this Spyder may cause smiling, happiness, urge to ride, excessive wind in the face, desire to call in sick to work, or even extended vacations. Some riders have experienced double-takes, pointing, sudden camera flash, kids waving, and conversations with total strangers. Several instances of unplanned roadside visits with police officers have been reported, though are not common. If you experience any of these symptoms, contact your Spyder forum to discuss.