General Specifications
HP / kW 40 HP / 29.8 kW
Displacement 747 cc (45.6 cu in.)
Cylinders 3 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 65 x 75 mm
Weight (Lightest) 93 kg / 205 lbs
Drive & Lower Unit
Gear Ratio 2.00:1
Shaft Options 20
Propeller Style 11–13"
Maintenance Quick-Specs
Engine Oil Mercury FourStroke Oil 10W-30
Oil Capacity 3 Liters
Gear Lube 440 ml
Spark Plug NGK RA8HC
Fuel/Power Regular Unleaded 87 Oct
Identification
The serial number for the Mercury 40hp FourStroke EFI is typically found on a plate located on the transom bracket.