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YAMAHA PORTABLE FOUR STROKE MOTORS 

F2 – PORTABLE FOUR STROKE  F2.5 – 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.

Additional information
ENGINE TYPE 4-Stroke, OHV, 1-cylinder
BORE X STROKE (MM) 54 x 31.5
FUEL TANK CAPACITY (L) 0.9
DISPLACEMENT (CC) 72.0
RECOMMENDED MAX RPM 5250 – 5750
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Splash lubrication system
ALTERNATOR OUTPUT N/A
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt 
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F4 – PORTABLE FOUR STROKE F2.5 – 25HP

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.

Additional information
ENGINE TYPE 4-Stroke, OHV, 1-cylinder
BORE X STROKE (MM) 62 x 46
FUEL TANK CAPACITY (L) 1.1
DISPLACEMENT (CC) 139.0
RECOMMENDED MAX RPM 4000-5000
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 6A with Rectifier Regulator (Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F5 – PORTABLE FOUR STROKE F2.5 – 25HP

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.

Additional information
ENGINE TYPE 4-Stroke, OHV, 1-cylinder
BORE X STROKE (MM) 62 x 46
FUEL TANK CAPACITY (L) 1.1
DISPLACEMENT (CC) 139.0
RECOMMENDED MAX RPM 4500-5500
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 6A with Rectifier Regulator (Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt 
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F6 – PORTABLE FOUR STROKE  F2.5 – 25HP

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.

Additional information
ENGINE TYPE 4-Stroke, OHV, 1-cylinder
BORE X STROKE (MM) 62 x 46
FUEL TANK CAPACITY (L) 1.1
DISPLACEMENT (CC) 139.0
RECOMMENDED MAX RPM 4500-5500
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 6A with Rectifier Regulator (Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F8 – PORTABLE FOUR STROKE  F2.5 – 25HP

For all-around portability, power and performance, the F8 delivers well above its class. The 212cc, inline two-cylinder, the 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 exceptionally smooth and reliable performance.

Additional information
ENGINE TYPE 4-Stroke, SOHC In-line 2
BORE X STROKE (MM) 56 x 43
FUEL TANK CAPACITY (L) 12.0
DISPLACEMENT (CC) 212.0
RECOMMENDED MAX RPM 5000-6000
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 6A with Rectifier Regulator (Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F9.9 – PORTABLE FOUR STROKE  F2.5 – 25HP

For all-around portability, power and performance, the F9.9 delivers well above its class. The 212cc, inline two-cylinder, the 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 exceptionally smooth and reliable performance.

Additional information
ENGINE TYPE 4-Stroke, SOHC In-line 2
BORE X STROKE (MM) 56 x 43
FUEL TANK CAPACITY (L) 12.0
DISPLACEMENT (CC) 212.0
RECOMMENDED MAX RPM 5000-6000
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 6A with Rectifier Regulator (Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual Choke
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual Tilt
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F15 – PORTABLE FOUR STROKE  F2.5 – 25HP

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 output alternator to ensure adequate power supply to run all your electronics.

Additional information
ENGINE TYPE 4-Stroke, SOHC In-line 2
BORE X STROKE (MM) 63 x 58.1
FUEL TANK CAPACITY (L) 12.0
DISPLACEMENT (CC) 362.0
RECOMMENDED MAX RPM 5000-6000
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 10A with Rectifier Regulator (EH)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual (MH), Electric (EH)
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual tilt (MH), Power trim & tilt (EH)
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F20 – PORTABLE FOUR STROKE  F2.5 – 25HP

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 output alternator to ensure adequate power supply to run all your electronics.

Additional information
ENGINE TYPE 4-Stroke, SOHC In-line 2
BORE X STROKE (MM) 63 x 58.1
FUEL TANK CAPACITY (L) 24.0
DISPLACEMENT (CC) 362.0
RECOMMENDED MAX RPM 5000-6000
FUEL MANAGEMENT Carb
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 10A with Rectifier Regulator (EH)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual (MH), Electric (EH)
OPERATION METHOD Tiller Handle
TRIM & TILT METHOD Manual tilt (MH), Power trim & tilt (EH)
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

F25 – PORTABLE FOUR STROKE  F2.5 – 25HP

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-around 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.

Additional information
ENGINE TYPE 4-Stroke, SOHC In-line 2
BORE X STROKE (MM) 65 x 65.1
FUEL TANK CAPACITY (L) 24.0
DISPLACEMENT (CC) 432.0
RECOMMENDED MAX RPM 5000-6000
FUEL MANAGEMENT EFI
IGNITION CDI
OEDA EMISSION RATING 3
LUBRICATION SYSTEM Wet sump
ALTERNATOR OUTPUT 12V – 16A with Rectifier Regulator (Battery Charging Kit Optional)
GEAR RATIO 2.08 : 1
STARTER SYSTEM Manual (MH), Electric (W,C)
OPERATION METHOD Tiller handle (MH), Multifunction Tiller Optional (C), Remote control (W, C)
TRIM & TILT METHOD Manual tilt (MH), Power trim & tilt (EH)
DIGITAL GAUGES N/A
COMMAND LINK GAUGES N/A

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