Mercury 9.9hp EFI Outboard 9.9MH
$1,687.00
The Mercury 9.9hp EFI Outboard 9.9MH is a compact 9.9hp four-stroke EFI outboard with tiller steering, delivering strong thrust, smooth acceleration, and dependable performance. Designed for wider and heavier boats, it combines modern EFI efficiency with simple manual operation.
| Product Condition |
New |
|---|
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The Mercury 9.9hp EFI Outboard 9.9MH delivers impressive power and control in a compact, easy-to-handle package. Equipped with advanced Electronic Fuel Injection (EFI), this outboard provides quick starts, instant throttle response, and smooth performance across a wide range of conditions.
Designed with tiller steering and a short shaft configuration, the 9.9MH is ideal for boaters who want direct control and dependable thrust for wider, heavier boats.
Features and Performance
9.9hp EFI Four-Stroke Engine – Strong, efficient, and responsive power
Electronic Fuel Injection (EFI) – Easier starting, faster warmup, smoother idle
Tiller Steering – Direct, precise control at low and cruising speeds
Short Shaft (15″) – Fits standard transom heights
Two-Cylinder Design – Reduced vibration and balanced operation
Compact & Portable (88 lbs) – Excellent power-to-weight ratio
External Fuel Tank (3.2 gal) – Extended range for longer outings
Quiet, Low-Vibration Operation – Comfortable boating experience
Why You Should Buy It
The Mercury 9.9MH is the right choice if you want EFI reliability with hands-on tiller control. It delivers the thrust and stability needed for heavier boats while remaining easy to operate and maintain. Perfect for aluminum boats, inflatable soft hulls, jon boats, utility boats, and sailboats, it’s backed by a 3-year Mercury Marine warranty for long-term confidence.
FAQ – Mercury 9.9hp EFI Outboard 9.9MH
Q: What is the difference between the 9.9MH and remote-control models?
A: The 9.9MH uses tiller steering, offering direct manual control instead of helm-mounted remote steering.
Q: Is this outboard suitable for heavier boats?
A: Yes. It’s designed to provide strong thrust and control for wider and heavier boats.
Q: What advantages does EFI provide?
A: EFI improves cold starts, reduces warmup time, stabilizes idle, and enhances fuel efficiency.
Q: Does this engine come with a fuel tank?
A: Yes. It includes a 3.2-gallon external fuel tank and fuel line hose.
| Specification | Details |
|---|---|
| Engine Type | Inline 2 Four-Stroke |
| Horsepower | 9.9 HP |
| Cylinders | 2 |
| Displacement | 208 cc |
| Shaft Length | 15" (Short Shaft) |
| Steering | Tiller |
| Starting System | Manual |
| Fuel System | Electronic Fuel Injection (EFI) |
| Fuel Induction System | 4-Valve SOHC |
| Full Throttle RPM Range | 5000 – 6000 RPM |
| Weight | 88 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 9.9MH Engine
3-Blade Aluminum Propeller
External Fuel Tank (3.2 gallons)
Fuel Line Hose
Service Tool Kit & Parts
Stop Switch Lanyard
Owner’s Manual




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