MERCURY F9.9 MLHCT Outboard Motor / Command Thrust / long shaft / manual start

MERCURY F9.9-ELHCT 9.9 HP Outboard Motor / Command Thrust / Long Shaft
The MERCURY Command Thrust F9.9 outboarder boasts tremendous power. With its longer design and bigger components, Mercury Command Thrust was designed to deliver the type of power, thrust and control that wider, heavier boats demand.
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Product details
Easy starting
The MERCURY F9.9 outboard F9.9 is incredibly responsive, to get you going with little or no preparation at all.
Enhanced features
- New three-position choke and no primer button improve starting, simplify the starting procedure and allow the engine to warm up faster
- A richer idle air/fuel mix makes the engine easier to start and provides better idle running quality
- A change to the ignition timing allows fishermen to find and hold optimal troll speed
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.
The Command Thrust Difference (Blue shaded areas represent prop and gearcase advantages)
- 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 maneuveraility that big loads demand.
- Oversized Antiventilation Plate. Oversized design prevents air from being drawn into the prop, which increases efficiency.

Power in the palms of your hands
- Shifting
- Throttle control (featuring an optimal slow-speed throttle advance function)
- Stopping
- Tilting
- Steering
Light weight
With a low weight, these engines are very portable and improve the performance of lightweight boats.
Convenient and easy tilting
Start easy, idle smoothly
- The fuel filter of the engines has been moved to keep the carburettor 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
Technical specifications
HP / kW | 9.9 / 7.3 |
Engine type | Inline 2 |
Displacement / CC | 12.8 / 208 |
Full throttle RPM | 5000-6000 |
Fuel induction system | 2 valves per cylinder, single overhead cam (SOHC) |
Recommended fuel | At least 90RON unleaded |
Recommended oil | Mercury FourStroke Oil 10W-30 |
Engine protection operator warning system | Low oil pressure, over-rev |
Starting | Manual |
Steering | Tiller |
Shaft length | 560 mm |
Gearcase ratio | 2.08: 1 |
Dry weight lightest model available | 38 kg |
CARB star rating | 3 |
Bore and stroke | 2.16 x 1.73 "/ 55 x 44 mm |
Ignition | CDI w/electronic spark advance |
Fuel system | With carburettor |
Cooling system | Water cooled with thermostat |
Gear shift | FNR |
Transmission housing options | Standard |
Trim positions (trim system) | Ratcheting (tilting area) |
Exhaust system | Through propeller |
Shallow water drive | Yes |
Shallow water trim range (degrees) | 16 |
External fuel tank (gal / l) | 3.2 / 12 |
Fuel tank, hoses and adapters are included.
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