Mercury 9.9hp EFI Outboard 9.9EPT
$2,102.00
The Mercury 9.9hp EFI Outboard 9.9EPT is a 9.9hp four-stroke EFI outboard featuring electric start, remote mechanical steering, and power tilt. Designed for heavier boats, it delivers strong thrust, smooth acceleration, and effortless trim control.
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Overview Mercury 9.9hp EFI Outboard 9.9EPT
The Mercury 9.9hp EFI Outboard 9.9EPT is built for boaters who want premium control and convenience in a compact outboard. With advanced Electronic Fuel Injection (EFI), electric start, remote mechanical steering, and integrated power tilt, this engine delivers smooth performance and effortless operation.
Its strong thrust and responsive handling make it an excellent solution for wider and heavier boats that demand reliable power and precise control.
Features and Performance
- 9.9hp EFI Four-Stroke Engine – Smooth, fuel-efficient, and responsive
- Electronic Fuel Injection (EFI) – Easy starts, quick warmup, stable idle
- Electric Start System – Push-button convenience and reliability
- Remote Mechanical Steering – Precise helm-mounted control
- Power Tilt Function – Effortless trim adjustment and shallow-water operation
- Short Shaft (15″) – Fits standard transom heights
- Two-Cylinder Design – Reduced vibration and balanced performance
- 6-Amp / 76-Watt Alternator – Supports battery charging and electronics
Why You Should Buy it
Choose the Mercury 9.9EPT if you want EFI efficiency, electric start comfort, and power tilt convenience in one outboard. It’s ideal for boaters who frequently adjust trim, operate in shallow water, or want easier docking and trailering. Perfect for aluminum boats, inflatable soft hulls, jon boats, utility boats, and sailboats, the 9.9EPT is backed by a 3-year Mercury Marine warranty for long-term confidence.
| Specification | Details |
|---|---|
| Engine Type | Inline 2 Four-Stroke |
| Horsepower | 9.9 HP |
| Cylinders | 2 |
| Displacement | 208 cc |
| Shaft Length | 15" (Short Shaft) |
| Steering | Remote Mechanical |
| Starting System | Electric |
| Power Tilt | Yes |
| Alternator | 6 amp / 76 watt |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Induction System | 4-Valve SOHC |
| Full Throttle RPM Range | 5000 – 6000 RPM |
| Weight | 103 lbs |
| Propeller | 8.5" x 8.0" 3-Blade Aluminum |
| Fuel Tank | External 3.2 gallons |
| Warranty | Mercury Marine 3-Year Warranty |
- Mercury 9.9hp EFI Outboard 9.9EPT Engine
- 3-Blade Aluminum Propeller
- Power Tilt System
- External Fuel Tank (3.2 gallons)
- Fuel Line Hose
- Service Tool Kit & Parts
- Stop Switch Lanyard
- Owner’s Manual
Frequently Asked Questions About Mercury 9.9hp EFI Outboard 9.9EPT
What kind of boating is the Mercury 9.9hp EFI Outboard 9.9EPT built for?
The Mercury 9.9hp EFI Outboard 9.9EPT is intended for heavier boats. The row highlights 9.9 hp, Inline 2 Four-Stroke, remote mechanical, and a 15" (Short Shaft) shaft for a clearly defined operating setup.
How is this motor configured for performance and efficiency?
This outboard is listed with 9.9 HP, and Inline 2 Four-Stroke. The specification row adds 208 cc of displacement and electronic fuel injection (efi) fuel delivery, which helps buyers compare how this motor is set up for smooth, straightforward operation.
What should buyers know about shaft length, steering, and starting?
This model is listed with a 15" (Short Shaft) shaft, Remote Mechanical steering, and Electric starting. Those details matter because trim and tilt are stated as Yes and alternator output is listed at 6 amp / 76 watt, helping buyers judge transom fit, helm style, and everyday operating convenience.
What practical buying details stand out on this model?
This outboard is aimed at boat setups that match its listed control and shaft arrangement. The row points to heavier boats and highlights a 15" (Short Shaft) shaft, helping buyers narrow it to the right helm and transom layout.

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