General Specifications
HP / kW 90 HP / 67.0 kW
Displacement 1165 cc (71.1 cu in.)
Cylinders 3 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 131 kg / 289 lbs
Drive & Lower Unit
Gear Ratio 2.33:1
Shaft Options 20", 25"
Propeller Style —
Maintenance Quick-Specs
Engine Oil TC-W3 2-Stroke
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug NGK BUHW-2
Fuel/Power Regular 87 Oct
Identification
The serial number for the Mercury 90hp (3-Cyl 2-Stroke) is typically found on a plate located on the transom bracket.