2018 Mercury 15 Hp 15MH Outboard Motor
$1,136.10
2018 Mercury 15 HP 15MH Outboard Motor – Reliable, Powerful, and Efficient!
The 2018 Mercury 15 HP 15MH Outboard Motor is a powerful, fuel-efficient, and durable 4-stroke engine designed for medium to larger jon boats, skiffs, inflatables, and fishing vessels. Featuring a 351cc large displacement powerhead, this outboard provides exceptional torque and quick acceleration, making it one of the best-performing 15 HP motors in its class.
With its manual start, tiller steering, and integrated F-N-R gear shifting, this motor ensures easy operation and smooth handling. Mercury’s multi-layer corrosion protection and saltwater rating make it perfect for both freshwater and saltwater use. The quiet through-propeller exhaust system, thermostat-controlled cooling, and start-in-gear protection further enhance its safety, durability, and performance.
Whether you’re looking for a reliable kicker motor, a powerful primary outboard, or a fuel-efficient solution for your boat, the Mercury 15MH delivers unbeatable performance and value.
Key Features & Benefits
- 15 HP 4-Stroke Engine with Large Displacement (351cc) – More torque & better fuel economy
- Manual Start with CDI Ignition – Quick, reliable starting in all conditions
- Tiller Handle with Integrated F-N-R Gear Shift – Easy maneuvering & smooth shifting
- Corrosion-Resistant & Saltwater Rated – Zinc-coated passages & sacrificial anodes
- Thermostat-Controlled Cooling System – Optimized temperature regulation
- Shallow Water Drive – Ideal for navigating in low water conditions
- Quiet Through-Prop Exhaust System – Reduced noise & vibration for smoother rides
- Low Oil Pressure & Over-Rev Protection – Ensures long engine life & safe operation
- 6.6 Gallon Fuel Tank & Quick Connect Fuel Line – Extended run time & easy refueling
- 3-Year Mercury Marine Warranty – Trusted reliability & long-lasting performance
Engine & Performance
| Engine Type | 4-Stroke, Large Displacement Powerhead |
|---|---|
| Horsepower | 15 HP |
| Shaft Length | 15” (Short Shaft) |
| Starting System | Manual Start |
| Fuel System | Carbureted |
| Full Throttle RPM Range | 5400-5600 RPM |
| Displacement | 351cc (21.4 cubic inches) |
| Bore & Stroke | 2.40 x 2.36 inches |
| Cooling System | Water-Cooled, Thermostatically Controlled |
| Fuel Type | Unleaded Gasoline (87 Octane, up to 10% Ethanol) |
| Fuel Tank Capacity | 6.6 Gallons (Included) |
| Lubrication System | Trochoid Pump |
| Oil Capacity | 1 Quart (1000 mL) – SAE 10W-30 Mercury 4-Stroke Outboard Oil |
Propulsion & Control
| Steering Type | Tiller Handle |
|---|---|
| Gear Shift | Forward-Neutral-Reverse (Integrated in Tiller Handle) |
| Gear Ratio | 2.15:1 |
| Propeller | 9.2” Diameter X 9.8” Pitch, 3-Blade Aluminum |
| Trim & Tilt | Manual |
| Shallow Water Drive | Yes |
| Steering Tension Control | Adjustable for Stability |
Safety & Durability
| Saltwater Rated | Yes – Multi-Layer Corrosion Protection |
|---|---|
| Start-in-Gear Protection | Yes |
| Low Oil Pressure Warning Indicator | Yes |
| Overheat Warning System | Yes |
| Over-Rev Protection | Yes – ESG System |
| Safety Lanyard Stop Switch | Yes |
What’s Included in the Box?
- 6.6-Gallon External Fuel Tank & Quick Connect Fuel Line
- 3-Blade Aluminum Propeller
- Mercury 4-Stroke Oil
- Owner’s Manual
- Tool Kit
- Mercury Marine 3-Year Warranty
Note: Battery & optional alternator kit not included (alternator sold separately).
Frequently Asked Questions (FAQ)
Is the Mercury 15MH suitable for saltwater use?
Yes! It is saltwater-rated with zinc-coated water passages, sacrificial anodes, and corrosion-resistant materials.
Does this outboard have an electric start option?
No, this model is manual start only, but it features CDI ignition for reliable cold starts.
What type of boats is this outboard ideal for?
Perfect for medium to larger jon boats, skiffs, inflatables, and small fishing boats.
How fuel-efficient is this outboard?
The large displacement powerhead provides better torque & fuel economy compared to smaller engines.
Can I add an alternator for battery charging?
Yes, the optional 12A alternator kit can be installed for battery charging and additional power needs.
Get reliable power, exceptional fuel efficiency, and superior durability with the 2018 Mercury 15 HP 15MH Outboard Motor. Whether you’re fishing, exploring, or cruising, this short shaft 4-stroke engine delivers unbeatable performance.
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