Yamaha Outboard Engines - F4A HP 4 Stroke - Special offer price from £595
RRP: £619
A powerful four stroke portable outboard - with free carry bag worth £69.99
This 4 horse power outboard provides exceptional manoeuvrability with its 360 degree steering, allowing full thrust when going astern
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These remarkable little Yamaha outboard engines have won the hearts of of owners around the world because, thanks to Yamahas pioneering technology they've found a capable, reliable, stylish pick up and go 4 stoke outboard that's a joy to use and a pleasure to own.
The class leading Yamaha 4A hp four stroke outboard engine features:
- Proper gear lever operated clutch facility
- Marine quality twist grip throttle
- Full water cooling
- 360° steering
- Smoother, quieter and reliable operation
The Yamaha F4A is the smallest and lightest 4hp four stroke outboard engine on the market, but still has the features you expect on larger units. It has a twist grip throttle with adjustable friction, an integral fuel tank, forward, neutral and reverse gears, and a steering friction adjustment. It also features a multi angle shallow water drive, which allows the engine to be partially tilted when operating the outboard in shallow conditions. Also standard is a socket on the front of the cowling, which is ready to accept the fuel line from the optional remote fuel tank. This feature costs up to about £70-00 extra on competitors engines! Having a remote fuel tank allows the range to be greatly increased without the potentially hazardous re-fuelling of the engine whilst at sea. This feature is especially popular with owners using the engine as an auxiliary and for those using it on inland waterways, as the popular optional 12 litre remote fuel tank will allow the engine to run for hours and hours! All this in an outboard that only weighs from 22kg.
Yamaha outboard engines technical specifications
Yamaha Outboard Engines Technical Specifications
| Yamaha Outboards Specifications | F2.5A | F4A | F6A |
|---|---|---|---|
| RRP from: | £439 | £619 - 629 | £1,349 - 1,379 |
| Engine type | 4-Stroke | 4-Stroke | 4-Stroke |
| Number of cyclinders / Configuration | 1 | 1 | 2/in-line |
| Bore x Stroke (mm) |
54 x 31.5 | 59 x 41 | 56 x 40 |
| Displacement (cm3) |
72 | 112 | 197 |
| Full throttle range (rpm) |
5250-5750 | 4000-5000 | 4500-5500 |
| Prop shaft output at mid range (kW/rpm) |
1.8/5500 | 2.9/4500 | 4.4/5000 |
| Weight with propeller (kg) Weight without propeller (kg)* |
F2.5AMHS: 17.0 F2.5AMHL: 17.5 |
F4AMHS: 22.0 F4AMHL: 23.0 |
F6AMHS: 37.0 F6AMHL: 38.5 |
| Recommended boat transom height (mm) |
S: 381 L: 508 |
S: 381 L: 508 |
S: 381 L: 508 |
| Carburettors | 1 | 1 | 1 |
| Electronic fuel injection | - | - | - |
| Fuel tank capacity | 0.9 | 1.1 | Seprate,12 |
| Oil pan capacity (litres) |
0.4 | 0.5 | 0.8 |
| Lubrication | Splash | Splash | Wet-sump |
| Ignition / Advance system | TCI | TCI | CDI/Computer |
| Lighting coil / alternator | - | - | 12V - 6A |
| Gear ratio | 13:27 | 13:27 | 13:27 |
| Starter system | Manual | Manual | Manual |
| Steering | Tiller handle | Tiller handle | Tiller handle |
| Throttle and shift controls | Twist grip F-N/slide shift |
Twist grip F-N-R/slide shift |
Twist grip F-N-R/slide shift |
| Trim & tilt method (Trim angle) |
Manual (0°,4°,8°,12°) |
Manual (0°,4°,8°,12°,16°,20°) |
Manual (0°,4°,8°,12°,16°) |
| Number of Propeller options Size range (ins) |
5 5 - 8¼ |
3 6½ - 8 |
6 5 - 8½ |
* The kW data is based on the ICOMIA 28 standard, measured at the prop shaft