General Specifications
HP / kW 90 HP / 67.0 kW
Displacement 1140 cc (69.6 cu in.)
Cylinders 3 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 121 kg / 267 lbs
Drive & Lower Unit
Gear Ratio —
Shaft Options 15", 20"
Propeller Style —
Maintenance Quick-Specs
Engine Oil Yamalube 2-M
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug NGK B8HS-10
Fuel/Power Regular 87 Oct (50:1 Mix)
Identification
The serial number for the Yamaha 90hp (2-Stroke) is typically found on a plate located on the transom bracket.