Outboards

2026 Mercury 9.9hp FourStroke

$3,815

FourStroke 9.9hp

Output far beyond its size

Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It's worry-free boating at its best.

Intuitive, Innovative Features

Electronic Fuel Injection (EFI)

From the moment you crank the engine to the moment you drop the throttle, EFI technology (on 8 to 20hp outboards) responds with instant power. Surefire starting in all weather conditions. Smooth, efficient acceleration. Maximum fun.

Advanced Tiller

With a range of adjustments, easy-to-reach controls and the flexibility to be set up for left- or right-handed operation (on select models), Mercury tiller handles put you in complete command of your adventures.

Battery-Free EFI

Go farther confidently with battery-free EFI technology, included with manual-start 9.9hp outboards. It lets you enjoy the flexibility of portability, without needing to bring along a cranking battery.

Easy Portability

Simple to install and lightweight, 9.9 hp FourStroke outboards let you bring along the fun wherever it’s needed.

Convenient Maintenance

We made maintenance easier with features like a no-spill oil change system, easy-out fuel filter and lifetime maintenance-free valve train

Horsepower - 9.9

Alternator amp / Watt - 12 amp (145 watt) electric

Color - Phantom Black

Smartcraft Compatible - No

Displacement (L) -

Dry weight *Lightest model available - 85 lbs / 38.5 kg; 100 lbs/45.5 kg (CT Model)

Engine type - Inline-2

HP / kW - 9.9/7.4

Recommended fuel - Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum