General Specifications
HP / kW 9.9 HP / 7.4 kW
Displacement 212 cc (12.9 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 56 x 43 mm
Weight (Lightest) 40 kg / 88 lbs
Drive & Lower Unit
Gear Ratio 2.08:1
Shaft Options 15, 20
Propeller Style 8.5–10"
Maintenance Quick-Specs
Engine Oil Yamalube 4-Stroke
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Check Search
Fuel/Power Regular Unleaded 87 Oct
Identification
The serial number for the Yamaha F9.9 Portable is typically found on a plate located on the transom bracket.