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Have a question?

Find answers to the most frequently asked questions about this product.

Short, long or extra-long shaft: how do I choose?
It depends on your boat’s transom height (the distance from the top of the transom to the keel). A wrong choice can hurt performance and shorten the engine’s life — always check this measurement before you buy.
How is the engine shipped, and is it protected during transport?
Engines are packed and secured on a pallet, with transport insurance included — you can check the condition of the package on delivery before signing the delivery note.
What warranty applies to new engines?
The official manufacturer warranty (duration varies by brand, usually 2 to 5 years for private use) applies and can be activated through the brand’s network of authorised dealers.

Yamaha F4B outboard motor 4hp

649,00 €

1 049,00 €

In stock
Free delivery

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Detailed description

Yamaha F4 – Lightweight, reliable and easy to carry

The Yamaha F4 is the ideal choice for boaters looking for a compact, lightweight yet powerful outboard motor. Used to power small boats or as an auxiliary engine for sailboats, this four-stroke engine stands out for its ease of use, low fuel consumption and high reliability.

Why the Yamaha F4?

The Yamaha F4 offers simple operation and easy transport thanks to its light weight and ergonomic carrying handle. Its innovative design allows storage on three sides without any risk of engine oil leaking. The CDI ignition ensures reliable starting, while the shallow-water mode makes it easier to use close to shore.

Technical highlights of the Yamaha F4

  • Compact and lightweight: ideal for small boats and as an auxiliary engine
  • Power: 2.9 kW (4 hp) at 4,500 rpm
  • No oil leaks: safe storage and transport on three sides
  • Shallow-water drive position: suitable for driving close to shore
  • 180° swivel tiller: for comfortable handling
  • Built-in 1.1-liter fuel tank: external tank optional
  • F-N-R shift system: forward, neutral and reverse with a large shift lever
  • Easy starting: automatic decompression and CDI ignition
  • Elegant Yamaha design: robust cowling and modern styling

Technical specifications at a glance

  • Engine type: four-stroke, single-cylinder, overhead valves
  • Engine displacement: 139 cc
  • Propeller shaft output: 2.9 kW / 4 hp at 4,500 rpm
  • Full-throttle rpm range: 4,000 to 5,000 rpm
  • Lubrication: wet sump
  • Mixture preparation: 1 carburetor
  • Ignition: CDI ignition
  • Starting system: manual
  • Gear ratio: 2.08 (27:13)
  • Transom height: short shaft (440 mm), long shaft (568 mm)
  • Weight with propeller: 27-28 kg (depending on model)
  • Tank capacity: 1.1 l (built-in tank) or external tank (optional)
  • Oil pan capacity: 0.6 l
  • Steering: tiller handle
  • Tilt and height adjustment system: manual
  • Alternator: 12 V / 6 A (optional)
  • Propeller: included
  • Shallow-water drive position: standard

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