Routine maintenance is essential for keeping Yamaha 252 series jet boats from the 2021 model year operating reliably and performing as designed. Models including the 252S, 252XE, 252SE, and 252SD use twin 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 service parts separately, helping streamline oil service, filtration replacement, ignition system maintenance, and cooling system performance across both engines.

This kit applies to Yamaha 252S, 252XE, 252SE, and 252SD boats from the 2021 model year 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) - Yamaha Yamalube 10W-40 Mineral 4W – two gallons of marine-grade oil.
• 6S5-E4451-01-00 (Qty 2) - Yamaha Air Filters that ensure clean airflow for efficient engine operation.
• 69J-13440-05-00 (Qty 2) - Yamaha Oil Filters designed for optimal engine performance.
• NGK LFR6A (Qty 8) - Spark Plugs, providing reliable ignition performance.
• ACC-FLDFU-NN-EL (Qty 1) - Yamaha Disposable Funnel for neat oil changes.
  

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