Jet Drive 90 HP

Jet Drive 90 HP

Outboard
Overview

Our completely redesigned, 1.8-liter F90 Jet Drive outboard produces 65 hp at the pump. Its compact, lightweight SOHC four-cylinder, in-line design features a long-track induction system and Yamaha’s proprietary YDC-30 aluminum alloy. This creates a light, compact, powerful outboard for deck boats and deep-V hulls navigating shallow, rocky rivers, flats and sandbars.

 

  • 354 pounds (including jet pump assembly)
  • Fits 25-inch transom boats
  • Solid 35-amp alternator
  • Power Trim & Tilt
Weight161kg (354 lbs)
Full Throttle RPM Range5000 ~ 6000 rpm
Fuel Induction SystemEFI
Recommended Engine OilYamalube® 4M (See owner's manual)
Engine TypeInline 4
Displacement1.8L
Bore x Stroke81mm x 88.9mm (3.19 x 3.5 in)
Prop Shaft Horsepower65hp @ 5500rpm
Alternator Output at W.O.T.35 Amp
Compression Ratio10.0:1
Recommended FuelOctane 87
Recommended Fuel FiltrationYamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating3-Star
ExhaustThrough Jet Nozzle
Intake16
IgnitionTCI Microcomputer
Spark PlugLFR5A-11
Starting SystemElectric
LubricationWet Sump
Engine Oil Capacity3.2L/3.0L
Recommended CoolingThermostatic Control
Ethanol Blend Limit10% Maximum
Gear RatioDirect Drive
Gear ShiftForward, Neutral, Reverse
Shaft LengthFits 25" Transom
Degree of Tilt70°
Degree of Trim-4 through 16°
Mounting CentersN/A
SteeringMechanical Remote/Tiller
Steering Angle (maximum)35° from center, either direction
WarrantyLimited 2-Year Pleasure, 2-Year Government, 1-Year Commercial

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