Keep your 2020 Yamaha 242S or 242S E-Series in peak shape-with cooling confidence-by handling its annual tune-up in one tidy box. Each component is genuine Yamaha, matched to the twin 1.8 L High-Output engines, so you spend less time hunting parts and more time carving glassy water.. What's inside (and why it matters). Two gallons of Yamalube 10W-40 Mineral 4W - marine-grade oil that clings to moving parts and carries heat away during long, high-RPM pulls.. (2) 69J-13440-04-00 oil filters - deep-pleat media traps micro-metal debris cheaper filters miss, keeping oil passages clear.. (2) 6AP-E4451-00-00 air filters - fresh pleated elements let the engines breathe easy for crisp throttle response and smooth idle.. (8) NGK LFR6A spark plugs - factory-gapped for instant, reliable ignition after winter lay-ups.. (2) 6AP-R1321-10-00 stainless impellers - restore full water-pump pressure, boosting coolant flow so temperatures stay steady on scorching afternoons.. Disposable Yamaha funnel - kee