Service Kit 40-60 EFI 4S B/F (69000Z12)

The Service Kit 40-60 EFI 4S B/F is a genuine OEM maintenance kit specifically engineered for Mercury 40HP to 60HP EFI 4-Stroke BigFoot outboard engines. Designed to meet Mercury’s factory service standards, this comprehensive kit includes everything required to complete your 100-hour or annual service, ensuring your engine continues to deliver strong, reliable performance on the water.

Keeping your EFI 4-Stroke BigFoot engine properly serviced is essential for maximizing fuel efficiency, extending engine life, and preventing costly repairs. The Service Kit 40-60 EFI 4S B/F simplifies this task by bundling all the key components you need into one easy-to-use package. Each item is manufactured to Mercury’s strict OEM specifications, guaranteeing a perfect fit and lasting durability.

Inside the kit, you’ll find a high-quality water pump impeller and housing—critical for maintaining steady water flow through the cooling system. Replacing this impeller at regular intervals prevents overheating and protects your engine’s vital internal components. Also included are engine oil and gear lube drain plug seals, a fuel filter, an oil filter, and spark plugs—all essential for keeping your engine clean, well-lubricated, and running smoothly.

The oil filter helps capture impurities and debris in the engine oil, supporting optimal lubrication and preventing premature wear. The fuel filter ensures clean fuel delivery to the EFI system, safeguarding against performance loss and injector damage. The included spark plugs are designed for consistent ignition, easy starts, and reliable operation across all throttle ranges.

This kit also comes with the appropriate seals and gaskets to prevent leaks and withstand the harsh marine environment, including saltwater exposure, vibration, and pressure changes. Whether you’re a hands-on boat owner or a professional technician, the Service Kit 40-60 EFI 4S B/F provides a convenient, cost-effective way to carry out routine maintenance using genuine Mercury parts.

Maintaining your Mercury 40–60HP EFI 4-Stroke BigFoot outboard with this OEM kit helps ensure smooth operation, reduced fuel consumption, and long-term reliability season after season.

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