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2025 Mercury 9.9 HP 9.9MH EFI Outboard Motor
BRAND NEW ELECTRONIC FUEL INJECTION! The new portable Mercury 9.9hp EFI outboard motor is lightweight, compact, and powerful making it a great choice for long shaft jon boats, skiffs, and small pontoons as well as auxiliary power for your sailboat. The Mercury 9.9 HP outboard engine is a two cylinder four-stroke marine engine that delivers smooth, quiet, fuel efficient power. Weighing 84 lbs., the Mercury 9.9 HP Outboard Model # 9.9MH comes equipped with a manual start and 15 inch short shaft, tiller steering and auto ratchet manual tilt. As with all new Mercury outboard motors, the factory provides a 3 year warranty that starts on the date of purchase.
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2025 Mercury 9.9 HP 9.9MH EFI Outboard Motor is backordered and will ship as soon as it is back in stock.
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SHAFT LENGTH GUIDELINES
2025 Mercury 9.9 HP 9.9MH EFI Outboard Motor
Features
- Compact and Lightweight
- Digital CD Ignition with Spark Advance
- High Grade Marine Alloy Construction
- Stainless Steel Water Pump Housing
- Zinc Coated Water Passages
- Rated for Saltwater Use
- Sacrificial Zinc Anodes and Trim Tab
- Tiller Integrated F-N-R Gear Shifting
- Adjustable Steering Tension Control
- Twist-Grip Throttle with Tension Control
- Thermostat Controlled Water Cooling
- Auto Ratchet Trim System (5 positions)
- Shallow Water Drive
- Quiet Through-Propeller-Hub Exhaust
- 3.2 Gallon Fuel Tank and Fuel Line
- Start-In-Gear Protection
- Low Oil Pressure Warning Indicator
- ESG Over-Rev Protection
- Safety Lanyard Stop Switch
- Owner's Manual
- Mercury Marine 3-Year Warranty
specifications
| MODEL | 1A10201LK |
|---|---|
| MODEL YEAR | 2025 |
| SKU | 9.9MH-25 |
| WEIGHT | 84.0 lb |
| MANUFACTURER | Mercury |
| COUNTRY OF MANUFACTURE | Japan |
| HORSEPOWER | 9.9hp |
| SHAFT LENGTH | 15" (Short) |
| STEERING | Tiller |
| STARTING | Manual |
| TRIM & TILT | Manual |
| FUEL DELIVERY | EFI |
| FUEL TANK | External |
| CYLINDER(S) | 2 |
| DISPLACEMENT | 12.8 ci (208 cc) |
| BORE AND STROKE | 2.16 x 1.73 in. (55 x 44 mm) |
| FULL THROTTLE RPM RANGE | 5,000 - 6,000 |
| IGNITION SYSTEM | CDI with electronic spark advance |
| INDUCTION SCAVENGING | SOHC |
| VALVES PER CYLINDER | 2 |
| FUEL TYPE | 87 Octane (up to 10% ethanol content) |
| FUEL TANK / FUEL LINE | 3.2 Gal. Fuel Tank + Quick Connect Fuel Line |
| OIL TYPE | SAE 10W-30 (Mercury 4-Stroke Outboard Oil) |
| OIL CAPACITY | 27 fl. Oz. (800 ml) |
| LUBRICATION | Trochoid Pump |
| ALTERNATOR | Optional 12V 76W 6A (installation required) |
| COOLING SYSTEM | Water-cooled with thermostat |
| SALTWATER RATED | Yes |
| GEAR RATIO | 2.08:1 |
| GEAR SHIFT | Forward-Neutral-Reverse (shift in tiller handle) |
| PROPELLER | 8.5" Diameter X 8.0" Pitch 3-Blade Aluminum |
In the Box
- Fuel Tank (3.2 gallon)
- Quick Connect Fuel Line
- Mercury 3-Year Warranty
- Aluminum Propeller
- Mercury 4-Stroke Oil
- Owner's Manual & Tool Kit
Shaft Length Guidelines
