Routine maintenance is essential for keeping Yamaha AR240, AR240 High Output, and AR240 (California) jet boats from 2015 through 2020 operating reliably and performing as designed. These twin-engine jet boats use Yamaha marine engines paired with an advanced jet propulsion system engineered to run under sustained high-RPM conditions. Maintaining proper lubrication, airflow, and ignition performance helps support dependable operation and long-term engine durability on the water.

This Yamaha boat service maintenance kit simplifies routine service by grouping together the key components commonly required during scheduled upkeep. Yamaha jet boat service kits allow owners to perform essential maintenance tasks without sourcing individual parts separately, helping streamline oil service, filtration replacement, and ignition system maintenance across both engines.

This kit applies to Yamaha AR240, AR240 High Output, and AR240 (California) boats from 2015 through 2020 and provides the maintenance components commonly required for routine service of the twin jet propulsion engine platform used in these boats.

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What’s Inside and Why It Matters

• LUB-10W40-WV-04 (Qty 2) - Two gallons of Yamalube 10W-40 Mineral 4W – marine-grade oil that clings to moving parts and sheds high-rev heat.
• 69J-13440-04-00 (Qty 2) - Oil Filters with deep-pleat elements that trap fine debris cheaper filters miss.
• 6AP-E4451-00-00 (Qty 2) - Air Filters with fresh media that restores unrestricted airflow for crisp throttle response.
• NGK3 LRF6A (Qty 8) - Spark Plugs, factory-gapped for instant ignition after long dock days.
• 6AP-R1321-10-00 (Qty 2) - Stainless Impellers that rebuild water-pump pressure, boosting circulation for cooling efficiency on scorching afternoons.
• ACC-FLDFU-NN-EL (Qty 1) - Disposable Yamaha funnel that keeps oil where it belongs, not in your bilge.
  

These components support routine engine maintenance procedures including oil changes, filtration replacement, and ignition system upkeep. Performing regular maintenance helps maintain proper lubrication and dependable performance for your Yamaha jet-powered boat.