A YAMAHA R1 motorbike was stolen from a garage in Saddlers Close, Billingshurst.
The theft happened on Wednesday January 26 between 8.30am and 3pm. The bike had been chained to a ground anchor.
The red and white 2008 model had a special red leather seat and is valued at £6,500, a police spokesman said.
Information to Sussex Police on 0845 60 70 999 serial 0890 of January 26.