Yamaha 5.3L V8 Offshore F350

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One hundred miles offshore, it’s truly man vs. nature. Corrosive saltwater. Pounding waves. Churning seas that can blow up out of nowhere. But there’s one thing nature wasn’t prepared for—the pure power and reliability of this machine, the Yamaha V8 F350. It provides all the thrust, torque and raw energy required for today’s larger offshore boats.

Engine Type60° V8 DOHC 32-valve
Displacement5330cc (5.3L)
Bore x Stroke94 x 96mm (3.70 x 3.78 in.)
Prop Shaft Horsepower350hp at 5500 rpm
Compression Ratio9.6:1
Fuel InductionEFI/DOHC
ExhaustIn-Bank™ dual exhaust with Power Surge Chambers
IntakeSingle Throttle Valve
IgnitionTCI, 32-bit ECM with integrated coil-in-cap ignition design
Spark PlugLFR6A-11
Alternator Output50 Amp
Starting SystemElectric
LubricationWet Sump
Engine Oil Capacity6.5L/6.3L without Filter
Full Throttle RPM Range5000 ~ 6000 rpm
CoolingWater/Thermostatic Control
Recommended Engine OilYamalube® 4M (See owner's manual)
Recommended FuelRegular Unleaded (Minimum Pump Octane 89)
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
Ethanol Blend Limit10% Maximum
Gear Ratio(26:15) 1.73:1
Gear ShiftForward, Neutral, Reverse
Shaft LengthX = 25" U = 30"
Degree of Tilt67°
Degree of Trim-3° through +16°
C.A.R.B. Rating3-Star
Dry Weight25" shaft / 346 kg (763 lbs), 30" shaft / 354 kg (780 lbs)
Mounting Centers28.6"
Steering Angle (maximum)32° from center, either direction
Warranty3-Year Pleasure, 3-Year Government, 1-Year Commercial