Yamaha / FourStroke

Yamaha F90

Name: Yamaha F90
Brand: Yamaha
SKU: f90
Availability: InStock

The all-new 1.8-liter Midrange F90 features greater displacement and a single-overhead-camshaft design with four valves per cylinder.

All Yamaha outboards

FourStroke

F90

Power: 90 hp
Configuration: Inline 4
Displacement: 1.8L
Weight: 160kg (353 lbs) - 164kg (362 lbs)

Authorized Yamaha

dealer

View on Yamaha site

About this engine

The all-new 1.8-liter Midrange F90 features greater displacement and a single-overhead-camshaft design with four valves per cylinder. This boosts power and volumetric efficiency, streamlines design, and makes the F90 a leader in torque and acceleration.

Key features

Power and Efficiency
Powerful Hole Shot
Optimum Performance
Lightweight, Compact Design
Quick Acceleration
Multi-Function Tiller Handle
Charging Power
Variable Trolling
Extended Engine Life

Full specifications

Weight †: 160kg (353 lbs) - 164kg (362 lbs)
Full Throttle RPM Range: 5000 ~ 6000
Fuel Induction System: EFI
Recommended Engine Oil: Yamalube® 4M (See owner's manual)
Engine Type: Inline 4
Displacement: 1.8L
Bore x Stroke: 81 x 88.9mm (3.19 x 3.5 in)
Prop Shaft Horsepower: 90hp @ 5500 rpm
Alternator Output at W.O.T.: 35 Amp
Compression Ratio: 10.0:1
Recommended Fuel: Octane 87
Recommended Fuel Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating: 3-Star
Exhaust: Through Propeller
Intake: 16
Ignition: TCI Microcomputer
Spark Plug: LFR6A-11
Starting System: Electric
Lubrication: Wet Sump
Engine Oil Capacity: 3.2/3.0L
Recommended Cooling: Thermostatic Control
Ethanol Blend Limit: 10% Maximum
Gear Ratio: 2.15:1
Gear Shift: Forward, Neutral, Reverse
Shaft Length: 20" - 25"
Degree of Tilt: 70
Degree of Trim: -4° through +66°
Mounting Centers: 26"
Steering Angle (maximum): 35° from center, either direction
Warranty: Limited 3-year Pleasure, 3-year Government, 1-Year Commercial