Largest scooter by engine capacity

The Suzuki Burgman 650 scooter has a 638 cc (40 cu in) 4-stroke, 2-cylinder engine, the largest available on any standard production model today. The 238 kg (524 lb) Burgman went on sale in 2003, with a manufacturer's suggested retail price of US$7,699 (£4,750) in the USA.