SKU: Yamaha F4BMH


Easy-to-carry – and so easy to enjoy

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 4hp offers the smartest solution.


  • Shallow Water Drive for cruising close inshore
  • Unique 3-position oil-leak-free storage system
  • 180º steering for comfortable manoeuvring
  • Large F-N-R (Forward-Neutral-Reverse) shift lever
  • Built-in 1.1L fuel tank
  • 2-way change-over system for portable tank option
  • Lighting coil option offers 12V 6A power supply
  • Convenient auxiliary priming pump in the cowling
  • Auto decompression for easier starting
  • Stylish design with a smart grey top cowling
  • Latest-generation Yamaha styling and graphics
  • Lightweight and portable with a large carry handle


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 2.9kW / 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 S:440mm L:568mm
Weight with propeller F4BMHS: 27.0 kg, F4BMHL: 28.0 kg
Fuel tank capacity 1.1 litres (Built-in fuel tank) or optional separate fuel tank
Oil pan capacity 0.6 litres
Additional features
Control Tiller handle
Trim & tilt method Manual
Lighting Coil / Alternator 12V – 6A *optional
Tilt limiter (only for remote control specs)
Engine immobiliser
Propeller Included
Counter Rotation Model
Shallow Water Drive Standard
Digital Network Gauge II (LCD Colour)
Digital Network Gauge (Round/Square)
Variable Trolling RPM
Dual Battery Charging System
Shift Dampener System (SDS)
Remark The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft,

When purchasing this product or any other outboards please choose ‘postage to be confirmed’ as the delivery cost will be calculated and charged after purchase, once we have got your address and can give an accurate delivery price. We will then send you a link for the delivery payment, once this is paid the outboard will be dispatched



Weight 2500 kg

Short, Long


2.5 – 10 HP

Shopping Cart