General Specifications
HP / kW 25 HP / 18.6 kW
Displacement 500 cc (30.5 cu in.)
Cylinders 3 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 60 kg / 132 lbs
Drive & Lower Unit
Gear Ratio 2.17:1
Shaft Options 15", 20"
Propeller Style —
Maintenance Quick-Specs
Engine Oil Mercury 10W-30
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug NGK DCPR6E
Fuel/Power Regular 87 Oct
Identification
The serial number for the Mercury 25hp EFI (3-Cyl 500cc) is typically found on a plate located on the transom bracket.