General Specifications
HP / kW 50 HP / 37.3 kW
Displacement 815 cc (49.7 cu in.)
Cylinders 3 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 109 kg / 240 lbs
Drive & Lower Unit
Gear Ratio 2.27:1
Shaft Options 20", 25"
Propeller Style —
Maintenance Quick-Specs
Engine Oil 10W-30 Marine
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug NGK DCPR6E
Fuel/Power Regular 87 Oct
Identification
The serial number for the Johnson 50hp (4-Stroke) is typically found on a plate located on the transom bracket.