General Specifications
HP / kW 40 HP / 29.8 kW
Displacement 720 cc (43.9 cu in.)
Cylinders 4 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 72 kg / 159 lbs
Drive & Lower Unit
Gear Ratio —
Shaft Options 15", 20"
Propeller Style —
Maintenance Quick-Specs
Engine Oil TC-W3 2-Stroke
Oil Capacity See Manual
Gear Lube 440 ml
Spark Plug NGK BUHW (Surface Gap)
Fuel/Power Regular 87 Oct (50:1 Mix)
Identification
The serial number for the Mercury 40hp (Inline-4) is typically found on a plate located on the transom bracket.