Fingertip Control
Mercury Fourstrokes are designed with a boat load of user-friendly features, such as our multifunction tiller handle. This tiller handle gives you easy one-handed operation of shifting, stopping, throttle, throttle friction, and tilt. More control equals better maneuverability.
Convenient Trim Ratcheting
The 9.9hp models come standard with both ratcheting trim and tilt lock. The ratcheting trim allows you to easily trim the motor up to the height you need. When you’re ready to tilt the engine down, the tilt lock will keep it at your selected angle.
Lightweight Portable Champions
The lightest engine in its class, the 9.9hp outboards come in at a scant 83 pounds. These outboards are a perfect fit for a wide range of small boat applications.
HP/kW 9.9 / 7.3
Full throttle RPM 5000-6000
Cylinder Configuration I-2
Displacement (CID / CC) 12.8 / 208
Bore and Stroke (in / mm) 2.16 x 1.73in
55 x 44mm
Fuel Induction System 2 valves per cylinder, single overhead cam (SOHC)
Ignition CDI w/electronic spark advance
Fuel System Carbureted
Alternator Amp 6 amp / 76 watt
Cooling System Water-cooled with thermostat
Starting Electric
Manual
Gearcase Ratio 2.08:1
Gear Shift F-N-R
Steering Remote
Tiller
Trim Positions Ratcheting
Exhaust System Through prop
Shallow water drive Yes