General Specifications
HP / kW 30 HP / 22.4 kW
Displacement 521 cc (31.8 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 76.2 x 57.2 mm
Weight (Lightest) 52 kg / 115 lbs
Drive & Lower Unit
Gear Ratio 1.75:1
Shaft Options 15", 20"
Propeller Style —
Maintenance Quick-Specs
Engine Oil TC-W3 2-Stroke
Oil Capacity See Manual
Gear Lube 320 ml
Spark Plug Champion QL77JC4
Fuel/Power Regular 87 Oct (50:1 Mix)
Identification
The serial number for the Johnson 30hp (2-Stroke) is typically found on a plate located on the transom bracket.