
Mercury
2018 Mercury 15 Hp 15MH Outboard Motor
SKU: 0c22cbb491e8
$1,136.10
In stockContact us for details.
Buy now
Shipping estimator
Enter a ZIP code for delivery guidance.
Need help confirming fitment?
Our specialists verify compatibility before you order.
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
Technical Specifications
⚙️ Engine & Performance
Feature
Details
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
Feature
Details
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
Feature
Details
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?
✔️ 2018 Mercury 15 HP 15MH Outboard Motor ✔️ 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 .
Call to Action – Order Now!
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 .
Limited stock available – Order today for fast shipping!
Nationwide shipping
Secure checkout
Expert fitment support

