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2018 Mercury 15MH FOURSTROKE 15IN

Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It's worry-free boating at its best.


Low weight and awesome torque get your boat on plane quicker and provide best-in-class acceleration to complement best-in-class top speed. A perfect match for aluminum tiller, soft-hull inflatable, jon / utlity, or sail boats.

Small Outboards are of Big Importance: While high-horsepower models usually grab headlines in the world of outboard engines, it’s small outboards that make much of the boating world go around.

The world’s first portable outboard tiller handle with ambidextrous control: The innovative tiller handle for the new 20hp and 15hp outboards sets a new standard for portable-outboard tiller control, delivering features, functions and craftsmanship never seen before.

Announcing NEW Mercury 20hp & 15hp outboards: The ultimate boating experience comes standard. Mercury’s newest addition to its lineup of portable FourStroke outboard motors is designed and built to improve every aspect of your time on the water, from starting the engine to changing the oil and everything in between.


HP / kW: 15 / 11.1

Engine type: Inline 2

Displacement (CID/CC): 20.3 / 333

Full throttle RPM: 5700 - 6200

Fuel induction system: 2 valves per cylinder, single overhead cam (SOHC)

Alternator amp / Watt: 12/145 electric

Recommended fuel: 87 octane compatible (up to 10% ethanol)

Recommended oil: 25W-40 Synthetic Blend; Mercury FC-W 10W-30 4-Stroke Marine Oil

Engine protection operator warning system: Low oil pressure; Over-rev; Overheat; Sensor failure

Starting: Electric; Manual

Steering: Remote; Tiller

Shaft length: 15" / 381 mm

Gearcase ratio: 2.15:1

Dry weight *Lightest model available: 99 lbs / 45 kg

CARB star rating: 3

Bore and stroke: 2.40 x 2.24" / 61 x 57 mm

Ignition: CDI w/electronic spark advance

Fuel system: Electronic Fuel Injection (EFI)

Cooling system: Water-cooled with thermostat

Gear shift: F-N-R

Gearcase options: Standard

Trim system: Manual; Power Tilt

Trim positions: 6

Exhaust system: Through prop

Shallow water drive: Yes

Shallow water trim range (degrees): 16

Remote fuel tank (optional): Yes

Remote fuel tank standard (gal / L): 6.6 / 25

Color: Phantom Black


Dry weight based on lightest model available.


2018 Mercury 15MH FOURSTROKE 15IN

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