Outboard Description
Yamaha F4 BMHS Outboard
This attractive engine, with its smart, stylish looks, offers all the power you need to hit the water with confidence. The Yamaha F4 is also convenient to store – and so light and easy to handle that carrying one between the shore and the deck of your sailing boat really is a breeze.
Whether you enjoy the thrill of water sports or just relaxing on your boat, choose the engine that helps you get more out of your time on the water.
The compact size, large carrying handle and built-in fuel tank all enhance its portability – and start-up is easy with Yamaha’s CDI Ignition System. Low fuel consumption, simple controls and low noise and vibration levels, along with Yamaha reliability, come as standard.
So for families to get on the water easily – or for a yacht owner wanting a handy auxiliary – the F4 offers the smartest solution.
Yamaha F4 BMHS Outboard
- Unique 3-position oil-leak-free storage system
- 180º steering for comfortable manoeuvring
- Large F-N-R (Forward-Neutral-Reverse) shift lever
- 2-way change-over system for portable tank option
- Shallow Water Drive for cruising close inshore
- Convenient auxiliary priming pump in the cowling
- Auto decompression for easier starting
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Engine type |
4-stroke |
Displacement |
139 cm³ |
No. of cylinders/configuration |
1, OHV |
Bore x stroke |
62.0 mm x 46.0 mm |
Prop shaft output at mid range |
2.9 / 4,500 rpm |
Full throttle operating range |
4,000 – 5,000 rpm |
Lubrication system |
Wet sump |
Fuel Induction System |
1-Carb |
Ignition / advance system |
CDI |
Starter system |
Manual |
Gear ratio |
2.08 (27:13) |
Recommended boat transom height |
435mm |
Weight with propeller |
F4BMHS: 27.0kg |
Fuel tank capacity |
1.1litres(Built-in fuel tank) or optional separate fuel tank |
Oil pan capacity |
0.6litres |
Product Specification
Engine
Engine Type: 4-StrokeDisplacement: 139cc
No. of cylinders/configuration: 1 Cylinder
Bore x stroke: 62mm x 46mm
Prop shaft output at mid range: 2.9 / 4,500 rpm
Full throttle operating range: 4000-5000 rpm
Lubrication system: Wet sump
Ignition/advance system: CDI
Starter system: Pull start
Gear ratio: 2.08
Steering: Tiller