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Yamaha F90LB

Model Overview

  • The new F90 has the quickest fourstroke,90- horsepower acceleration available
  • Like the successful F70 before it, the F90employs a single overhead camshaft to drive four valves per cylinder, thereby saving weight while increasing volumetric efficiency – and making more power
  • Thirteen pounds lighter than its predecessor: 353 pounds versus 366 pounds (F90LA)
  • More displacement means more torque. The new F90 displaces 1.8 liters versus 1.6 liters over its predecessor
  • The F90 is not just the quickest, it’s also quiet, which means a better time boating and fishing for you and your passengers – and it can be used with several Yamaha propellers featuring the exclusive Shift Dampener System™ (SDS™) – for even greater quiet and comfort

Specifications

  • Type: In-Line Four-Cylinder
  • Displacement: 1832cc | 111.8ci
  • Bore x Stroke: 81 x 88.9mm | 3.19 x 3.5in
  • Full Throttle RPM Range: 5000 ~ 6000
  • Variable Trolling RPM Range: 550 ~ 1000
  • Horsepower Rating at Propshaft: 90hp at 5500 rpm 75hp at 5500 rpm
  • Compression Ratio: 10.0:1
  • Fuel Induction: EFI | SOHC
  • Alternator Output: 35 Amp
  • Starting Method: Electric w/PTT
  • Ignition: TCI Microcomputer
  • Lubrication: Wet Sump
  • Degree of Trim: -4° through +16°
  • Degree of Tilt: 70°
  • Exhaust: Through Propeller
  • Cooling: Water | Thermostatic Control
  • Weight: 353lbs

Standard Features

  • New Light-weight, Compact, Powerful Design
  • 1.8L High Output Four Cylinder
  • 4 Valves Per Cylinder
  • Single Overhead Camshaft Tuned Long-Track Induction System
  • Electronic Multi-Point Precision Fuel Injection
  • 4 Independent Fuel Injectors
  • 4-to-1 Exhaust
  • TCI Micro-computer Ignition System
  • Direct Drive System
  • Wet Sump Lubrication
  • Engine Warning System
  • Water Separator
  • Direct Coil-in-Cap Ignition System
  • Mechanical Single Throttle Valve Intake System
  • Water Draining Air Intake Duct
  • Magnetic Drain Plug
  • SST Drive, Prop, Shift Shafts
  • SST Steering Tube
  • Sacrificial Anodes
  • YDC-30 Aluminum Alloy
  • Phaze FiveTM Paint Process
  • Electro-deposited Powerhead Paint Process
  • Alumite Exhaust Annodization
  • High Output Alternator
  • Command Link® or Analog Gauge Compatibility
  • External NMEA-2000® Display Compatibility
  • Power Trim & Tilt
  • Freshwater Flush
  • Easy Maintenance
  • Vibration Reduction Mounting System
  • Reversible PTT Switch
  • Yamaha Diagnostic System
  • Multi-Charge Monitoring System
  • Single Cogged Timing Belt System with Automatic Tensioner
  • C.A.R.B. Ultra Low Emissions 3 Star Rating
  • Meets All Current Federal EPA Emission Standards