General Specifications
HP / kW 300 HP / 223.5 kW
Displacement 4169 cc (254.4 cu in.)
Cylinders 6 (V6 60°)
WOT RPM Range Check Manual
Bore x Stroke 96 x 96 mm
Weight (Lightest) 255 kg / 562 lbs
Drive & Lower Unit
Gear Ratio 1.75:1
Shaft Options 20, 25, 30, 35
Propeller Style 15–17"
Maintenance Quick-Specs
Engine Oil Yamalube 4-Stroke
Oil Capacity 6.3 Liters
Gear Lube 1040 ml
Spark Plug NGK LFR6A-11
Fuel/Power Mid-Grade 89 Oct Recommended
Identification
The serial number for the Yamaha F300 Offshore V6 is typically found on a plate located on the transom bracket.