General Specifications
HP / kW 300 HP / 223.5 kW
Displacement 4000 cc (244.1 cu in.)
Cylinders 8 (V8 90°)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 260 kg / 573 lbs
Drive & Lower Unit
Gear Ratio —
Shaft Options 20", 25", 30"
Propeller Style —
Maintenance Quick-Specs
Engine Oil VRO Injection
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Champion QL77JC4
Fuel/Power Regular 87 Oct
Identification
The serial number for the Johnson 300hp V8 Looper is typically found on a plate located on the transom bracket.