Mercury Marine Launches 6HP EFI Outboard – Compact Power, Big Performance

Mercury Marine’s new 6HP EFI delivers high torque, reliability, and easy handling for small boats - a compact outboard built for performance and simplicity.
17 Oct

Edited October 17, 2025

Powerboat and RIB

Content by Powerboat & RIB

Couple cruising in a Zodiac inflatable boat powered by a Mercury 6HP EFI outboard on calm coastal waters.

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A New Benchmark in Portable Outboards

Mercury Marine, a division of Brunswick Corporation, has unveiled its new 6HP EFI outboard engine – a compact yet powerful addition to its renowned portable range. Built on Mercury’s proven 209cc 8/9.9HP EFI platform, this latest model delivers impressive torque, effortless starting, and exceptional reliability for small-boat applications.

By leveraging our 8/9.9hp EFI platform, we’re delivering a 6HP solution that offers superior torque, better boat control and improved overall performance – without compromising portability or convenience.

John Buelow, President of Mercury Marine

Engineered for Efficiency and Ease

The 6HP EFI features advanced electronic fuel injection (EFI) for smooth, reliable starting in all weather conditions. Its calibration enhances fuel efficiency, while Mercury’s exclusive multi-function tiller handle enables shifting and throttle control with a single hand.

Available in both tiller and remote-control configurations, the new model is ideal for rental fleets and recreational boaters operating vessels up to 15 feet (4.6 metres). High displacement ensures strong low-end torque and steady handling, even on heavier boats.

Smart, Simple, and Maintenance-Free

Designed for practicality, the 6HP EFI offers several smart features that make boating easier:

  • Ergonomic multi-function tiller handle for intuitive control
  • Ratcheting clamp bracket for simple tilt adjustments
  • Maintenance-free design with no oil filter or valve lash adjustments required
  • Quick-connect freshwater flush system for easy cleaning

These user-friendly upgrades ensure the engine remains powerful, dependable, and easy to maintain.

Global Debut in France

The new 6HP EFI made its world debut at the Le Grand Pavois boat show in La Rochelle, France, from 23–28 September 2025. With this release, Mercury strengthens its presence in the compact outboard sector, offering a solution that blends high performance with everyday usability.

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Powerboat and RIB

Powerboat & RIB

This content was created by the Powerboat & RIB editorial team.

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