2025 Yamaha Marine F 25 Portable Base

2025 Yamaha Marine F 25 Portable Base

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Exterior Colors:

  • Year 2025
  • Make Yamaha Marine
  • Model F 25 Portable
2025 Yamaha Marine F 25 Portable Base

2025 Yamaha Marine F 25 Portable Base

2025 Yamaha Marine F 25 Portable

Yamaha’s F25 is so light, powerful, and feature-rich that it won a coveted NMMA® Innovation Award shortly after introduction. As the lightest 25 horsepower outboard available—two-stroke or four-stroke—it features the highest power to weight ratio in its class and comes in several variations to suit your needs. From power trim and tilt, tiller or remote control, 15 or 20-inch shaft and now in pearlescent white or traditional grey!

Features may include:

KEY
  • Head of the class: The powerful, twin-cylinder in-line 432cc engine powers you through the day.
  • Easy does it: Built in resting pads for easy storage
  • Variable Trolling RPM: Adjust the engines trolling speed from 750 to 1050 RPM with built in tiller handle controls or through a Command Link display.
RELIABILITY/DURABILITY
  • CDI Microcomputer
  • Wet Sump Lubrication
  • Engine Warning System
  • Mechanical Single Throttle Valve Intake System
  • SST Drive, Prop, Shift Shafts
  • SST Steering Tube
  • Magnetic Drain Plug
  • Sacrificial Anodes
  • YDC-30 Aluminum Alloy
  • Phaze Five™ Paint System
  • Electro-deposited Powerhead Paint Process
POWER/PERFORMANCE
  • New Light-weight, Compact, Powerful Design
  • Single Overhead Camshaft
  • Battery-less Electronic Fuel Injection
  • Wide-Span Mounting System
CONVENIENCE/CONTROL
  • High-Output (16-Amp) Alternator
  • Electric and Pull-Start Available Together (some models)
  • Retrofit Electric Start Available
  • 45-Degree Steering in both Directions
  • Built-In Resting Pads and Carry Handles
  • Variable Trolling RPM Switch (VTSTM )
  • Power Trim & Tilt (LWTC model)
  • Freshwater Flush
  • Spin-on Oil Filter
  • Offset Steering Friction Lever
  • Auto Decompression Device
  • Vibration Reduction Mounting System
  • C.A.R.B. Ultra Low Emissions 3 Star Rating
  • Meets All Current Federal EPA Emission Standards
  • External Oil Drain Plug

Engine

Engine Type Two-Cylinder, In-line
Displacement 432 cc (26.4 ci)
Bore 2.554 in (5 mm)
Stroke 2.558 in (65.1 mm)
Compression Ratio 9.3:1
Rated Engine Speed Full RPM Range: 5000 - 6000
Exhaust Through Propeller
Ignition CDI Microcomputer
Induction SOHC, 2 valves per cylinder
Oil Type Recommended: Yamalube® 4-M 10w-30
Lubrication Wet sump
Cooling Recommended: Water/Thermostatic Control
Gear Ratio (Primary) 27:13 / 2.08:1
Gear Shifter F/N/R

Electric

Starter Manual or Electric
Alternator Output, Maximum 16 amp

Fuel System

Fuel System Delivery: Battery less EFI
Fuel Type Recommended: Regular Unleaded (Minimum Pump Octane 87)

Dimensions

Length Shaft: S: 15" | L: 20"
Dimensions Degree of Trim/Tilt: -3° through +16° (PTT) | 4 positions (manual tilt) | -3° through +63° (PTT) | -4 through +62° (manual tilt)

Capacities

Oil capacity w/without filter: 1.2 qt (1.1 L) | 1.05 qt (1.0 L)

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