Mercury - 10W-30 FourStroke Outboard Oil Change Kit Maintenance Series Marine Engine Oil & Filter Set 8M0107510. Overview. There's something grounding about taking care of your engine yourself. You pull the cowling, lay out your tools and feel that familiar mix of pride and responsibility every boater knows. The Mercury 8M0107510 10W-30 FourStroke Outboard Oil Change Kit is built for those moments. It gives you everything you need in one box, so you can get the job done right without digging thr