This unit is compatable with the following skis:

2015 JT1500 (JET SKI STX-15F) 2014 JT1500 (JET SKI STX-15F) JT1500 (STX-15F) 2013 JT1500 (JET SKI STX-15F) JT1500 (STX-15F) 2012 JT1500 (JET SKI STX-15F) 2011 JT1500 (JET SKI STX-15F)