Description
Mercury 9.9MLH Command Thrust FourStroke Outboard – Tiller, 20" Shaft, EFI
Big Power, Compact Package
The Mercury 9.9hp Command Thrust FourStroke puts amazing power right in the palm of your hand. With EFI, this compact outboard gets you to the fun, the fish, or wherever the water takes you — quickly and reliably. It's easy to install and operate. So whether you're after exhilarating speed or smooth, low-vibration cruising, this engine delivers.
Command Thrust models are built differently. They use a larger gearcase and propeller to deliver the power, thrust, and control that wider, heavier boats need. As a result, this 9.9hp is a great match for aluminum tiller boats, inflatable soft-hull boats, jon boats, utility boats, and sailboats.
Key Features
Battery-Free EFI This electronic fuel injection system delivers easy starts and reliable performance, even in poor weather. Plus, it works without a battery.
Command Thrust Gearcase A larger gearcase and propeller give you more thrust and control. Therefore, this engine handles heavier boats better than a standard 9.9hp.
Forward-Reverse Shifting on the Tiller Shift control is built right into the throttle grip. So you get quick, intuitive control without reaching for a separate lever.
Ratcheting Tilt Transom Bracket This makes raising and lowering the engine simple, whether you're docking, trailering, or moving into shallow water.
Easy-Pull Manual Start A lightweight pull-start system keeps things simple. There's no battery to maintain or charge.
Saltwater-Ready Construction Built with saltwater-safe components and corrosion-preventive technologies. As a result, this engine holds up well in demanding marine environments.
Easy Oil Change System Routine maintenance stays clean and simple, so you spend less time on upkeep and more time on the water.
Includes Prop and Fuel Tank Comes complete with a propeller and 3.2-gallon remote fuel tank, ready to go.
Specifications
- Model: Mercury 9.9MLH Command Thrust
- Manufacturer: Mercury
- Horsepower: 9.9 HP
- Engine Type: Inline 2-cylinder, 4-stroke, Command Thrust
- Displacement: 208 cc
- Induction System: 4-valve, SOHC
- Fuel System: Electronic Fuel Injection (EFI)
- Steering: Tiller
- Starting System: Manual
- Trim & Tilt: Manual
- Shaft Length: 20" (Long)
- Weight: 91 lbs
- Full Throttle Range: 5000–6000 RPM
- Propeller: 8.5" dia. x 8.0" pitch, 3-blade aluminum
- Fuel Tank: 3.2-gallon remote tank, included
- Warranty: Mercury Marine 3-Year Factory Warranty
Who Is This Engine For?
This Mercury 9.9hp Command Thrust outboard is a great fit for:
- Aluminum tiller boats and jon boats that need extra thrust
- Inflatable soft-hull boats and utility boats
- Sailboats needing dependable auxiliary power
- Boaters who want EFI reliability without electric start complexity
Why Buy From Outboard Engines Supplier
- New Mercury outboard backed by Mercury's 3-year factory warranty
- Optional extended Platinum Warranty coverage available
- Fast shipping across the USA
- We accept trade-ins on late 2000s and newer running boat engines
- Friendly support to help confirm fitment before you buy
Frequently Asked Questions
What does "Command Thrust" mean? Command Thrust models use a larger gearcase and propeller. So they deliver more thrust and control, which is ideal for heavier boats.
Does this engine have power tilt? No, this model has manual tilt and trim. A power tilt version (9.9ELHPT Command Thrust ProKicker) is also available.
Is this a tiller or remote-controlled engine? This is a tiller-steered engine with manual start.
What's included with this engine? It comes with a propeller and a 3.2-gallon remote fuel tank.
Can I extend the warranty? Yes. You can add up to 5 years of Mercury Platinum Warranty protection on top of the standard 3-year factory warranty.




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