- stock #2012 crownline 21ss with the 4.3l mercruiser engine and 300 hours.this 2012 crownline 21ss is a great family water sports boat that is budget friendly and ready for the water!powered by the 220hp mercruiser 4.3 fuel injected motor, mated to a mercruiser alpha one outdrive, the boat has plenty of power to tow a number of different watersports while being easy on the wallet at the gas pump!
Crownline
21 ss
2012
Used
Power
Gas