General Specifications
HP / kW 300 HP / 223.5 kW
Displacement 3344 cc (204.1 cu in.)
Cylinders 6 (V6 76°)
WOT RPM Range Check Manual
Bore x Stroke — x — mm
Weight (Lightest) 244 kg / 538 lbs
Drive & Lower Unit
Gear Ratio 1.75:1
Shaft Options 20", 25"
Propeller Style —
Maintenance Quick-Specs
Engine Oil Yamalube 2-M
Oil Capacity See Manual
Gear Lube 980 ml
Spark Plug NGK BKR7HSU (Surface Gap)
Fuel/Power Regular 87 Oct
Identification
The serial number for the Yamaha 300hp V6 HPDI is typically found on a plate located on the transom bracket.