Engine Type: 4-Stroke, SOHC (Single Overhead Cam), 2-Cylinder inline.
Horsepower: 9.9 HP at the prop.
Fuel System: Carburetor (known for being straightforward to service and tune).
Control Type: Tiller Handle (Manual steering, twist-grip throttle, and integrated front-mount gear shift lever).
Starting System: Manual pull-start (recoil starter handle on top of the cowling).
Shaft Length: This appears to be a Long Shaft (20-inch) model, typically used on boats with taller transoms.
Power Tilt: The decals indicate "Power Tilt", a premium feature for a 9.9 HP motor that allows the operator to easily raise and lower the engine mechanically from the tiller area.