You want to use Dexron/Mercon in your Velvet Drive 1:1. The motor oil recommendation was for gear reduction transmissions on models within the last ten years. Change it a couple of times if you suspect there is motor oil. In this application, it is not better left unchanged.
Previous: 1993 Prostar 205
Red 1998 Closed Bow Ski Boat, PCM GT40, 310 hp, Standard Gear Reduction, Acme 4 blade, Perfect Pass SG/Zbox.
Tyler Ski Club
Be kind. Have fun.