Change your watercraft’s oil yourself with the 4T 5W-40 Full Synthetic Oil Change Kit for engines of 1500 cc or more. If you enjoy working on your vehicle and like to get your hands dirty, this kit has exactly what you need: XPS Full Synthetic Oil, oil filter, o-rings and washer. Tested and designed to improve performance, our XPS oils last longer and protect your engine better than other oils. Plus, there’s nothing better than getting it done with our own two hands!