General Specifications
HP / kW 50 HP / 37.3 kW
Displacement 721 cc (44.0 cu in.)
Cylinders 4 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 65 x 54 mm
Weight (Lightest) 75 kg / 165 lbs
Drive & Lower Unit
Gear Ratio 1.83:1
Shaft Options 20"
Propeller Style 11-13"
Maintenance Quick-Specs
Engine Oil 50:1 Pre-mix
Oil Capacity See Manual
Gear Lube 440 ml
Spark Plug NGK BUHW-2
Fuel/Power Regular Unleaded 87 Oct
Identification
The serial number for the Mercury Classic 50 (4-Cyl) is typically found on a plate located on the transom bracket.