Routine maintenance is essential for keeping Yamaha 212X and 212X (California) jet boats from 2012 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, ignition performance, and cooling system efficiency helps support dependable operation and long-term engine durability on the water.

This Yamaha boat service maintenance kit helps simplify 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, ignition system maintenance, and cooling system performance across both engines.

This kit applies to Yamaha 212X and 212X (California) boats from 2012 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 1) - Yamalube 10W-40 Mineral 4W – one gallon plus three extra quarts for easy top-offs. This marine-grade oil clings to moving parts and whisks heat away during long, high-RPM runs.
• 69J-13440-04-00 (Qty 2) - Oil Filters with deep-pleat elements that capture the micro-metal others miss, keeping oil passages clear.
• 6S5-E4451-01-00 (Qty 2) - Air Filters with fresh pleated media that restores unrestricted airflow for crisp throttle response.
• NGK LFR6A (Qty 8) - Spark Plugs, factory-gapped for quick, reliable ignition after winter lay-ups.
• 6AP-R1321-10-00 (Qty 2) - Stainless Impellers that rebuild water-pump pressure, boosting coolant circulation for cooler running temps.
• 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.