Portable Four Stroke 2.5 – 25HP

Small in size, but big in performance, the F2.5, single cylinder, four-stroke engine provides an extremely lightweight and portable engine for smaller craft. This versatile and compact unit includes a handy carry handle making moving and installing this engine effortless, while the smart leak-free design allows the engine to be safely and conveniently stored on its front, right or left side. With its new stylish round cowling, improved combustion efficiency and lower emissions output, the F2.5 not only looks great, but delivers Yamaha’s legendary reliability, fuel efficiency and smooth running performance.

Lightweight, compact and economical, Yamaha’s single-cylinder portable F4 has been designed to be ultra-easy to use and transport. Featuring a specially developed four stroke, Overhead Valve (OHV) design, this engine delivers excellent fuel efficiency and smooth running. Attention to detail makes this Yamaha small engine great by delivering a user experience that stands head and shoulders above anything else.

Lightweight, compact and economical, Yamaha’s single-cylinder F5 portable has been designed to be ultra-easy to use and transport. Featuring a specially developed four- stroke, Overhead Valve (OHV) design, this engine delivers excellent fuel efficiency and smooth running. Attention to detail is what makes Yamaha small engines great – delivering a user experience that stands head and shoulders above anything else.

Lightweight, compact and economical, Yamaha’s single cylinder F6 portable has been designed to be ultra-easy to use and transport. Featuring a specially developed four- stroke, Overhead Valve (OHV) design, this engine delivers excellent fuel efficiency and smooth running. Attention to detail makes Yamaha small engines great – delivering a user experience that stands head and shoulders above anything else.

For all-round portability, power and performance, the F8 delivers well above its class. The 212cc, inline two-cylinder, four-stroke compact engine provides exceptional speed and acceleration for its size – delivering an ideal engine platform for small tinnies and inflatables. With a fold-in tiller handle, comfortable carry handles and resting pads, these outboards are easy to mount, remove and store. Like all Yamaha engines, the F8 is extremely quiet, has excellent fuel economy, produces low emissions and delivers an exceptional smooth and reliable performance.

For all-round portability, power and performance, the F9.9 delivers well above its class. The 212cc, inline two-cylinder, four-stroke compact engine provides exceptional speed and acceleration for its size – delivering an ideal engine platform for small tinnies and inflatables. With a fold-in tiller handle, comfortable carry handles and resting pads, these outboards are easy to mount, remove and store. Like all Yamaha engines, the F9.9 is extremely quiet, has excellent fuel economy, produces low emissions and delivers an exceptional smooth and reliable performance.

For big engine performance, delivered in a small engine package, you can’t go past Yamaha’s F15 outboard. This two-cylinder, 362cc, four-stroke outboard is extremely fuel efficient, while producing a powerful and smooth-riding all-round performance. This engine includes Yamaha’s PrimeStartTM, which delivers quick and efficient starting in all climatic conditions. While the manual start models include an Auto Decompression feature which makes pull starting easier. Other features include a Shallow Water Drive System which allows safe operation in shallow waters and a high out-put alternator to ensure adequate power supply to run all your electronics.

The New F20 EFI portable outboard, built on the same award-winning platform as the F25, sees many of Yamaha’s larger engine technologies introduced to this smaller engine platform.
The new F20 now comes with both battery and battery-less Electronic Fuel Injection (EFI) options, for enhanced fuel economy, power and operating performance.
Other features include the introduction of variable trolling to allow for the perfect lure presentation, increased displacement from 362 to 432 cm3, and a high-output alternator which sees a 60% increase in output to meet additional electronic equipment power demand.
This engine comes in multiple configurations to suit every boating requirement, including battery-less EFI Manual start, electric start with manual start back-up, manual tilt, power tilt, 6 x 3 multi-function tiller handle and remote-control options.

The exciting new F25 delivers the weight and performance you would expect from a two-stroke, with all of the advantages that comes with Yamaha’s industry-leading four-stroke technologies. This new generation outboard is not only an improvement on the four-stroke model it replaces, but also exceeds the all-round capabilities of Yamaha’s legendry 25N two-stroke outboard. For the first-time in Yamaha’s four-stroke history, the new F25 comes with battery-less fuel injection – delivering easier starts, better fuel economy and an improved overall operating performance.Through smart design, the new compact F25 is now the lightest 25 horsepower outboard in its class – 20Kg lighter than its four-stroke predecessor and less than 10 kg heavier than Yamaha’s 25N two-stroke. This engine comes packed with additional features including Yamaha’s variable trolling and YCOP remote security, and is compatible with Yamaha’s range of command link gauges.

 

 

 

 

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Description

Just because our portable four-strokes are small doesn’t mean you’ll find any reduction in engineering integrity or innovation – quite the opposite, in fact.