Keep your 2018-2020 Yamaha 242X E-Series wake boat running smooth - with cooling peace of mind - by dropping in every genuine part packed into this handy service kit. Designed around the twin 1.8 L High-Output engines, each component fits like factory original, so routine upkeep feels quick and straightforward.. What's inside (and why you'll care):. Two gallons Yamalube 10W-40 Mineral 4W - a marine-grade blend that clings to moving parts and whisks heat away during long, high-RPM pulls.. (2) 69J-13440-04-00 oil filters - deep-pleat elements capture the micro-metal lesser filters miss, keeping oil passages clear.. (2) 6AP-E4451-00-00 air filters - fresh pleated media restores unrestricted airflow for crisp throttle response and steady idle.. (8) NGK LFR6A spark plugs - factory-gapped for quick, dependable ignition after winter lay-ups.. (2) 6AP-R1321-10-00 stainless impellers - rebuild water-pump pressure, boosting coolant circulation for cooler running temps on scorching afternoons.. D