Keep your 2015-2019 Yamaha 242-series-Limited, Limited S, E-Series, or the wake-hungry 242X E-Series-running smooth with cooling confidence by handling routine service in one shot. Every component in this genuine Yamaha kit is tuned for the twin 1.8 L High-Output engines, so installation is quick and worry-free.. Here's what you'll swap (and why it matters):. 2 gal Yamalube 10W-40 Mineral 4W - marine-grade oil that clings to moving parts and whisks away heat during long, high-rpm pulls.. (2) 69J-13440-04-00 oil filters - deep-pleat elements trap micro-metal other filters miss, keeping oil passages clear.. (2) 6AP-E4451-00-00 air filters - fresh pleated media restores unrestricted airflow for crisp throttle response.. (8) NGK LFR6A spark plugs - factory-gapped for instant ignition after winter lay-ups.. (2) 6AP-R1321-10-00 stainless impellers - rebuild water-pump pressure, boosting coolant circulation for cooler running temps.. Disposable Yamaha funnel - keeps oil where it belongs, not