Meet our new portable. Even lighter. Even tougher.
The specification now includes two resting pads (side and rear), improved carry handles, battery-less EFI and full compatibility with our Digital Network Gauges.
With its single-lever steering friction adjustment, new wide-span motor mount, high-output alternator and options of Variable Trolling Speed, Y-COP Security and Wide Range Power Trim & Tilt, the F25 is the natural choice.
Specifications:
Engine type
4-stroke
Displacement (cm³)
432
No. of cylinders
2/in-line
Configuration
SOHC
Bore x stroke
65.0 x 65.1
Prop shaft output at mid range (kW/rpm)
18.4 / 6000
Full Throttle Operating Range (rpm)
5000 - 6000
Lubrication system
Wet sump
Ignition
CDI
Starter system
Electric/Manual, Manual (MH), Electric (E, ET) with prime start™
Gear ratio
2.08 (27:13)
Transom height (mm)
S:424 L:551
Weight with propeller (kg)
GMHS:57, GMHL:59, GES:56, GEL:58, GETL:64, GWHS:60, GWHL:62
Fuel tank capacity (l)
25
Oil tank capacity (l)
1.1
Control
Tiller handle; Remote Control
Alternator
12V - 16A
Propeller
Included (MH, WH); Option (E, ET)
Digital Network Gauge II (CL7)
Option
Variable Trolling Speed
With DN Gauges or m-f tiller handle
Remark
The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft
At a glance
- At a glance
- 25% lighter - unique power-to-weight performance
- New tough and solid one-piece top cowling
- New battery-less EFI system for easy starting
- Manual, electric and manual/electric start options
- VTS slower-than-normal idle speed (option on r/c)
- Compatible with Yamaha Digital Network Gauges
- VTS (Variable Trolling Speed) option on r/c
- Wide Range Power Trim & Tilt option
- Exclusive Y-COP immobiliser security available
- Multi-function tiller handle option
- Single-lever steering friction (Tiller model)
- High-output alternator for extra starting power
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Other Portables outboard engines by Yamaha
F2.5B
Engine type 4-stroke | Displacement (cm³) 72 | No. of cylinders 1 | Configuration OHV |
Bore x stroke 54.0 x 31.5 | Prop shaft output at mid range (kW/rpm) 1.8 / 5500 | Full Throttle Operating Range (rpm) 5250 - 5750 | Lubrication system Splash |
Fuel Induction System 1-Carb | Ignition TCI | Starter system Manual | Gear ratio 2.08 (27:13) |
F4B
Engine type 4-stroke | Displacement (cm³) 139 | No. of cylinders 1 | Configuration OHV |
Bore x stroke 62.0 x 46.0 | Prop shaft output at mid range (kW/rpm) 2.9 / 4500 | Full Throttle Operating Range (rpm) 4000 - 5000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual | Gear ratio 2.08 (27:13) |
F5A
Engine type 4-stroke | Displacement (cm³) 139 | No. of cylinders 1 | Configuration OHV |
Bore x stroke 62.0 x 46.0 | Prop shaft output at mid range (kW/rpm) 3.7 / 5000 | Full Throttle Operating Range (rpm) 4500 - 5500 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual | Gear ratio 2.08 (27:13) |
F6C
Engine type 4-stroke | Displacement (cm³) 139 | No. of cylinders 1 | Configuration OHV |
Bore x stroke 62.0 x 46.0 | Prop shaft output at mid range (kW/rpm) 4.4 / 5000 | Full Throttle Operating Range (rpm) 4500 - 5500 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual | Gear ratio 2.08 (27:13) |
F8F
Engine type 4-stroke | Displacement (cm³) 212 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 56,0 x 43,0 | Prop shaft output at mid range (kW/rpm) 5.9 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual | Gear ratio 2.08 (27:13) |
F9.9J
Engine type 4-stroke | Displacement (cm³) 212 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 56.0 x 43.0 | Prop shaft output at mid range (kW/rpm) 7.3 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual (MH), Electric (E) | Gear ratio 2.08 (27:13) |
F15C
Engine type 4-stroke | Displacement (cm³) 362 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 63.0 x 58.1 | Prop shaft output at mid range (kW/rpm) 11.0 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Electric (E, EH, EP), Manual (MH) with prime start™ | Gear ratio 2.08 (27:13) |
F20B
Engine type 4-stroke | Displacement (cm³) 362 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 63.0 x 58.1 | Prop shaft output at mid range (kW/rpm) 14.7 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Electric (E, EH, EP), Manual (MH) with prime start™ | Gear ratio 2.08 (27:13) |
F20G
Engine type 4-stroke | Displacement (cm³) 432 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 65.0 x 65.1 | Prop shaft output at mid range (kW/rpm) 14.7 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System EFI | Ignition CDI | Starter system Electric/ Manual, Manual (MH), Electric (E, EP) | Gear ratio 2.08 (27:13) |
FT9.9L
Engine type 4-stroke | Displacement (cm³) 212 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 56.0 x 43.0 | Prop shaft output at mid range (kW/rpm) 7.3 / 5500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Manual (MH), Electric (E, EP) | Gear ratio 2.92 (38:13) |
FT25F
Engine type 4-stroke | Displacement (cm³) 498 | No. of cylinders 2/in-line | Configuration SOHC |
Bore x stroke 65.0 x 75.0 | Prop shaft output at mid range (kW/rpm) 18.4 / 5.500 | Full Throttle Operating Range (rpm) 5000 - 6000 | Lubrication system Wet sump |
Fuel Induction System 1-Carb | Ignition CDI | Starter system Electric | Gear ratio 2.42 (29:12) |