Yamaha F350 Outboard Engine - RRP from £19,999
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The Yamaha F350 outboard engine is deliberately designed to with stand the harsh demands it'll face .
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V8 configuration and 350 prop shaft horse power the Yamaha F350 outboard delivers a level of performance never before achieved in the production of outboards.
Yamaha F350 - four stroke outboard engine features:
- Primestart - chokeless system - easy as starting your car
- Idle noise reduction system
- Fresh water flushing system - reduces corrosion and extends engine life
- Shallow water drive
- CDI/TCI ignition system
The Yamaha F350 outboard motor is a double overhead-cam 60-degree V8, displacing 5330cc, or 325 cubic inches. Reported dry weight is 804 pounds, or about 212 pounds more than the 3.4-liter V6 Yamaha F250. The F350 motor features variable valve timing, ionic combustion sensors, a new anti-corrosion system, massive forged motor mounts and transom bracket, heavy-duty gears and drive shaft made of hardened steel, a special series of propellers, and a new air-intake labyrinth designed to keep water intrusion to a minimum. It is also the first Yamaha outboard to feature a digital drive-by-wire throttle and shift control. Yamaha says the motor's astounding weight is a result of its desire to make the F350 extremely durable, and reliable enough to take far off-shore. Yamaha has simply made every component stout enough to handle the motor's rated thrust as it presses against the transom of a pretty big boat.
Yamaha F350 outboard engines technical specifications

Yamaha Outboard Engines Technical Specifications
| Yamaha Outboards Specifications | F250 | F350 |
|---|---|---|
| RRP from: | £15,399 | £19,999 |
| Engine type | 4-Stroke | 4-Stroke |
| Number of cylinders / Configuration | 60 degree - V6 | 60 degree - V6 |
| Bore x Stroke (mm) |
94 x 80.5 | 94 x 96 |
| Displacement (cm3) |
3352 | 5330 |
| Full throttle range (rpm) |
5000-6000 | 5000-6000 |
| Prop shaft output at mid range (kW/rpm) |
183.9/5500 | 257.4/5500 |
| Weight with propeller (kg) Weight without propeller (kg)* |
F250AETX: 278.0 FL250AETX: 278.0 F250AETU: 284.0 FL250AETU: 284.0 |
F350AETX: 365.0 FL350AETX: 365.0 F350AETU: 373.0 FL350AETU: 373.0 |
| Recommended boat transom height (mm) |
X: 635 U: 762 |
X: 635 U: 762 |
| Carburetors | - | - |
| Electronic fuel injection | EFI | EFI |
| Fuel tank capacity | Option | Option |
| Oil pan capacity (liters) |
5.26 | 8 |
| Lubrication | Wet-sump | Wet-sump |
| Ignition / Advance system | TCI/Computer | TCI/Computer |
| Lighting coil / alternator | 12V - 46A | 12V - 50A |
| Gear ratio | 15:30 | 15:26 |
| Starter system | Electric | Electric |
| Steering | Remote control (Option) | Remote control |
| Throttle and shift controls | Remote control (option) | Remote control |
| Trim & tilt method (Trim angle) |
Power Trim and Tilt | Power Trim and Tilt |
| Number of Propeller options Size range (ins) |
30 11 - 28 |
5 17 - 25 |
* The kW data is based on the ICOMIA 28 standard, measured at the prop shaft