2025 Mercury FourStroke 9.9hp EFI
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Pacific Boatland | Vancouver, Washington
The MERCURY FOURSTROKE OUTBOARD is engineered to take you beyond the ordinary. With a 9.9‑hp electric fuel injection version launched in 2025, this compact power plant turns long trips into effortless adventures.
Why Choose the Mercury FourStroke?
- Instant Power: EFI delivers immediate throttle response from cranking to acceleration for smooth ...
The MERCURY FOURSTROKE OUTBOARD is engineered to take you beyond the ordinary. With a 9.9‑hp electric fuel injection version launched in 2025, this compact power plant turns long trips into effortless adventures.
Why Choose the Mercury FourStroke?
- Instant Power: EFI delivers immediate throttle response from cranking to acceleration for smooth and efficient speed.
- No Battery Needed: The battery‑free EFI system lets you start manually in any weather, freeing you from carrying extra batteries.
- Simplified Maintenance: Features a no‑spill oil change kit, easy fuel filter replacement, and a lifetime maintenance‑free valve train.
- Customizable Tiller: Adjust controls easily for left or right hand operation on selected models to keep you in full command of the water.
- Lightweight & Portable: Weighing only 85 lbs (38.5 kg) on our lightest model, it’s simple to install and transport wherever fun is needed.
Product Highlights
| Location | Vancouver, Washington |
|---|---|
| Condition | New |
| Year | 2025 |
| Make | Mercury Marine® |
| Model | FourStroke 9.9hp EFI |
| Horsepower | 9.9 hp |
| Propulsion | Single Outboard |
| Dry Weight | 85 lbs (38.5 kg) – lightest model available |
| Status | Available |
The Mercury FourStroke 9.9hp EFI outboard is ready to give you the freedom, speed and reliability that water enthusiasts demand—without compromising on simplicity or performance.
| Location | Vancouver, Washington | |
| Condition | New | |
| Year | 2025 | |
| Make | Mercury Marine® | |
| Model | FourStroke 9.9hp EFI | |
| Horsepower | 9.9 | |
| Propulsion | Single Outboard | |
| Dry Weight | Lightest model available: 85 lbs (38.5 kg) / 100 lbs (45.5 kg) (CT Model) | |
| Status | Available |
| Engine Power | 9.9 |
Mercury FourStroke outboards are made to unlock the inaccessible. To make light work of long journeys. The 2.5 to 20hp FourStroke outboards empower you to enjoy the water on your terms and reach places you wouldn’t dare venture with other engines. They’re reliable, compact, lightweight, easy to install and simple to operate, while still delivering quick acceleration and impressive speed. The only thing missing is a destination.
Features may include:
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.Battery-Free EFI
Go farther confidently with battery-free EFI technology, included with manual-start 8 to 20hp outboards. It lets you enjoy the flexibility of portability, without needing to bring along a cranking Maintenance
We made maintenance easier with features like a no-spill oil change system, easy-out fuel filter and lifetime maintenance-free valve trainAdvanced 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 Portability
Simple to install and lightweight, 2.5 to 20hp FourStroke outboards let you bring along the fun wherever it’s needed.
Estimate Payments
Payment calculations are just estimates. Rates and terms vary day to day. Not an agreement, informational purposes only. Contact dealer for current rates, terms, and payment plans, etc.
Advertised pricing excludes applicable taxes title and licensing and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.
