Boats Jet 854 PSN . As appealing as it is approachable Yamaha's SX210 features a total package of comforts and amenities most often associated with more expensive boats. 2011 Yamaha SX210 Clean Yamaha 21' with custom cover. the spacious layout of the SX210 makes this boat feel much larger than 21 feet while also giving it an air of luxury not reflected in its price...