General Specifications
HP / kW 4 HP / 3.0 kW
Displacement 87 cc (5.3 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 39.6 x 34.8 mm
Weight (Lightest) 16 kg / 35 lbs
Drive & Lower Unit
Gear Ratio 1.00:1
Shaft Options 15", 20"
Propeller Style —
Maintenance Quick-Specs
Engine Oil TC-W3 2-Stroke
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Champion QL77JC4
Fuel/Power Regular 87 Oct (50:1 Mix)
Identification
The serial number for the Johnson 4hp (2-Stroke) is typically found on a plate located on the transom bracket.