96 sportster

WHAT IS THE DIFFERENCE OF A 96 SEADOO SPEEDSTER AND A 96 SEADOO SPORTSTER? I ALSO NEED MEASUREMENTS FOR BOTH AND I AM WONDERING IF [U]Cockpit Cover SeaDoo 295100077 1998 Sportster 1800 Boat <------ THAT COVER WILL FIT A 96 SEADOO SPEEDSTER. THANKS