500 motors in database
Johnson Technical Database

Johnson 40hp (2-Stroke)

40 HP 1978 2-Stroke Discontinued ✓ Service Data Verified

General Specifications

HP / kW 40 HP / 29.8 kW
Displacement 737 cc (45.0 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 64 kg / 141 lbs

Drive & Lower Unit

Gear Ratio
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 40hp (2-Stroke) is typically found on a plate located on the transom bracket.

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