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Description
Specs
Standard Features
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Description

Forget everything you know about FourStroke outboards. Ours change the game. Completely. They’re tougher, smaller, and lighter than any other FourStroke on the water. With a combination of performance and efficiency that will take your time on the water to a whole new level.

FourStroke 8 - 9.9 hp

Lightest engines in their class. Portable and simple to maneuver. Just point and boat.



Specs

Manufacturer
Mercury
Model Year
2017
Model
9.9 hp Command Thrust FourStroke
MSRP
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Engine

Engine Type
Inline 2
Horsepower
9.9 hp (7.3 kW)
Displacement
12.8 ci (208 cc)
Bore x Stroke
2.16 x 1.73 in. (55 x 44 mm)
RPM
5,000 - 6,000 full throttle RPM
Fuel Induction
2-valves per cylinder, single overhead cam (SOHC), carbureted
Ignition
CDI with electronic spark advance
Starting
Electric, manual
Cooling
Water-cooled with thermostat
Exhaust
Through prop

Drivetrain

Gear Ratio
2.42:1
Gear Shift
F-N-R

Electrical

Alternator
6A, 76W

Measurements

Shaft Length
20 in. (508 mm)
25 in. (635 mm)
Weight
96 lbs. (44 kg)

Operational

Steering
Remote, tiller
Trim System
Power tilt, ratcheting trim
Instrumentation
Low oil pressure, over-rev

Other

Colors
Phantom Black

Standard Features

More Thrust
 Mercury® ProKicker outboards feature a deeper gearcase and a four-blade, high-thrust propeller with matching gear ratio – the perfect setup for trolling and precise control in all conditions. The ProKicker gearcase is engineered to be rugged and durable, with robust gears and bearings and a heavy-duty skeg that’s 55% thicker and twice as strong side-to-side as the previous gearcase.  
Power Tilt
 The fastest power tilt in the industry drops a Mercury 9.9 - 15 hp ProKicker FourStroke outboard into the water in just five seconds. Exclusive kicker-centering straps align and secure the outboard in full tilt-up position while you’re underway.  
Command Thrust
 Big-time power. With a longer design and bigger components, Mercury Command Thrust was made specifically to deliver the type of power, thrust and control that wider, heavier boats demand.  
    20% larger prop increases control especially at low speeds.  
    Taller gearcase puts the prop deeper, below turbulent water, for improved performance.  
    A low 2.42:1 gear ratio delivers thrust and maneuverability that big loads demand.  
    Oversized Antiventilation Plate. Oversized design prevents air from being drawn into the prop, which increases efficiency.  
Power in the Palm of Your Hand
 Tiller models feature the exclusive Mercury multifunction tiller that puts in the palm of your hand:  
    Shifting  
    Throttle control (with improved slow-speed throttle advance for optimal trolling)  
    Stopping  
    Tilting  
    Steering  
Lightweight
 At only 83 pounds, these engines are very portable and improve the performance of lightweight boats.  
Convenient and Easy Tilting
 Push down on the tiller handle to easily tilt the outboard to any position, made easy with our exclusive ratcheting transom bracket.  
Start Easily, Idle Smoothly
 Mercury 8 hp to 20 hp FourStroke outboards have features that make starting easier, warm-ups faster and idling smoother!  
    The fuel filter on 8 hp to 20 hp Mercury FourStrokes has been moved to keep the carburetor cleaner  
    Tiller handle models have a richer air/fuel mix at idle  
    They also come standard with a three-position choke, eliminating the need for a primer button  

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*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.
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