Mercury 9.9hp EFI Outboard | Tiller, Manual Start, 15" Shaft | 9.9MH

The 9.9MH EFI is a 9.9hp four-stroke outboard motor featuring electronic fuel injection technology for improved fuel efficiency, reliable cold-weather starting, and consistent throttle response. Designed with a 15" short configuration, this engine is well-suited for a variety of small watercraft including aluminum hull boats, inflatable dinghies, jon boats, utility vessels, and sailboats requiring auxiliary propulsion.

This outboard is equipped with a 2 cyl engine delivering 208cc of displacement, with a full throttle operating range of 5000-6000 rpm. The tiller system provides intuitive handling, while the manual mechanism ensures dependable operation in various marine conditions. Weighing approximately 88 lbs, the motor offers a favorable power-to-weight ratio for its class.

Key design elements include electronic fuel injection for optimized combustion and reduced emissions. The engine incorporates a multi-valve induction system with overhead cam architecture for efficient airflow and power delivery.

The 9.9 horsepower rating makes this outboard appropriate for vessels typically up to moderate displacement, providing sufficient thrust for fishing, recreational cruising, and general marine transportation. The compact dimensions and manageable weight facilitate straightforward installation, removal, and storage when not in use.

Engineered with marine-grade materials and corrosion-resistant finishes, this outboard is built to withstand saltwater and freshwater environments. The four-stroke design eliminates the need for premixed fuel, simplifying operation and reducing exhaust emissions compared to two-stroke alternatives. Standard equipment typically includes a propeller, fuel line, integrated carry handle, service toolkit, stop switch lanyard, and operator documentation.

This product meets applicable marine engine emissions standards and is backed by a manufacturer warranty covering defects in materials and workmanship under normal use conditions.

Specifications