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Yamaha 25LA

Model Overview

  • The largest of the Yamaha two cylinder models is now so light, it’s portable. Weighing less than126 pounds, the all-new F25 is 25 percent lighter than its predecessor and comes packed with powerful benefits like never before
  • Best power-to-weight ratio of all 25s
  • No-battery-required Electronic Fuel Injection
  • All-new two-cylinder powerhead that’s all Yamaha PULL START through cowling standard on all ELECTRIC START models (except F25LC)
  • VTSTM – Variable Trolling rpm Switch can troll slower than standard in-gear idle for better fishing (VTS switch is standard equipment on F25C Tiller Handle models)

Specifications

  • Type: Two-Cylinder In-Line
  • Displacement: 432cc | 26.4ci
  • Bore x Stroke: 65 x 65.1mm | 2.554 x 2.558in
  • Full Throttle RPM Range: 5000 ~ 6000
  • Variable Trolling RPM Range: 750 ~ 1050
  • Horsepower Rating at Propshaft: 25hp at 5500 rpm
  • Compression Ratio: 9.3:1
  • Fuel Induction: SOHC, 2 valves per cylinder
  • Alternator Output: 16 Amp
  • Starting Method: M = Manual | W = Electric or Manual
  • Ignition: CDI Microcomputer
  • Lubrication: Wet Sump
  • Degree of Trim: -3˚ through +16˚ (PTT) | 4 positions (manual tilt)
  • Degree of Tilt: -3˚ through +63˚ (PTT) | -4 through +62˚ (manual tilt)
  • Exhaust: Through Propeller
  • Cooling: Water | Thermostatic Control

Standard Features

  • New Light-weight, Compact, Powerful Design
  • Single Overhead Camshaft
  • Battery-less Electronic
  • Fuel Injection
  • Wide-Span Mounting System
  • 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 FiveTM Paint System
  • Electro-deposited Powerhead Paint Process
  • 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 (VTS™)
  • Power Trim & Tilt (LC & LWTC)
  • 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