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Yamaha 5.3L V8 F350C
Yamaha’s new, purpose-built 5.3-liter 350-horsepower V8 outboard leaves the competition in its wake by delivering reliability, style and confidence when you’re taking control of the open water. Now available in signature Yamaha gray or new pearlescent white
Make an appointment with Tom Ross to come in and see this motor in person.
Big Power
The 5.3-liter V8 configuration is designed to easily produce 350 prop shaft horsepower, with less stress and strain on internal engine components than small displacement, high-output outboards. Four oversized valves per cylinder increase breathing efficiency and contribute significantly to the F350C’s power and torque.
More Torque
Variable camshaft timing and individual, long intake air tracks provide the engine substantially greater torque between 2000 and 3500 RPM. This planes large offshore boats with authority.
Optimum Performance
Seven different sensors constantly measure vital atmospheric conditions and engine functions to give the Engine Control Module (ECM) the information needed to precisely and instantly adjust the fuel/air mixture for optimum performance and economy.
Compact Design, Efficient Exhaust
Precision Multi-Point Electronic Fuel Injection works in concert with long tube intake tracks and Yamaha’s exclusive Dual In-Bank™ Exhaust System for maximum efficiency and compact design. Dual In-Bank™ Exhaust means it exits through the center of the engine between the “V” of the cylinders, rather than on the exterior sides, to allow for a more compact shape. The dual exhaust helps the F350C more easily purge the exhaust for greater combustion efficiency and power.
Power and Efficiency
Air enters each cylinder through individual long intake tracks, which are ‘pulse tuned’ to provide air at the precise volume and timing for maximum density and power. The result is low-end and mid-range power and torque.
| Engine Type | V8 |
| Displacement | 5.3L |
| Bore x Stroke | 94 x 96mm (3.70 x 3.78 in.) |
| Prop Shaft Horsepower | 350hp at 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Alternator Output at W.O.T. | 50 Amp |
| Compression Ratio | 9.6:1 |
| Fuel Induction System | EFI |
| Weight | 346 kg (763 lbs) - 354 kg (780 lbs) |
| Recommended Fuel | Octane 89 |
| Recommended Engine Oil | Yamalube® 4M (See owner's manual) |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel / Water Separating Filter (external) |