General Specifications
HP / kW 20 HP / 14.9 kW
Displacement 400 cc (24.4 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 60.3 x 54 mm
Weight (Lightest) 48 kg / 106 lbs
Drive & Lower Unit
Gear Ratio 2.00:1
Shaft Options 15, 20
Propeller Style 9–11"
Maintenance Quick-Specs
Engine Oil 50:1 Pre-mix
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Check Search
Fuel/Power Regular Unleaded 87 Oct
Identification
The serial number for the Mariner 20hp (2-Stroke) is typically found on a plate located on the transom bracket.