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Performance Bulletin


Engine: Yamaha F90XB
Boat: Key West 179 FS
Configuration: Single
Test Date: 24-Oct-2021
Key West - Key West 179 FS

Performance Bulletin

16 - Key West 179 FS

Key West 179 FS

Length 17' 9"
Beam 7' 4"
Dry Weight (Boat Mfr. Pub) 1,300 lbs
Maximum HP 140 hp
Fuel Capacity 40 gal
Weight as Tested 2,329 lbs

F90XB

Horsepower 90 hp
Induction EFI/DOHC
Displacement 1.8L
Weight (Estimated) 362 lbs
Gear Ratio 2.15:1

Engine Mounting Height

Mounting Hole Position #2
Ventilation Plate Height 1/2" Above Boat Bottom

Propeller(s)

Series Talon SS
Diameter x Pitch 13 x 16
Yamaha Part # 6N4-45972-00-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 82° F / 75° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 30 gallons of fuel, 1 battery, safety and test equipment.

YPB#: PB_KWB_179 FS_F90XB_10-25-2021_OCC

Key West - Key West 179 FS

Performance Bulletin


Engine: Yamaha F90XB
Boat: Key West 179 FS
Configuration: Single
Test Date: 24-Oct-2021
F90XB

Performance Data

RPM
MPH
GPH
MPG
1000 3.9 0.5 7.80
1500 5.2 0.8 6.50
2000 6.5 1.1 5.91
2500 7.2 1.9 3.79
3000 9.1 2.8 3.25
3500 20.5 2.9 7.07
4000 25.5 3.4 7.50
4500 30.0 4.7 6.38
5000 33.6 5.5 6.11
5500 37.2 7.7 4.83
5900 41.5 10.0 4.15

Time to Plane: 3.83 seconds <br /> 0-30 MPH: 8.49 seconds

Notice To Consumer The information and data contained in this Performance Bulletin is approximate and subject to many different factors and variables. It is provided as a guideline only and should not be relied upon as representative of actual performance. Your boat’s performance may be different than the information contained in this Performance Bulletin due to various factors, including your boat’s actual weight, wind and water conditions, temperature, humidity, elevation, bottom paint, boat options affecting wind/water drag and/or boat weight, and operator ability. Please confirm the specifications and performance data on your specific boat/engine combination with your dealer prior to purchase. Please also keep in mind that the data contained in this Performance Bulletin may or may not have been performed using Yamaha PowerMatched components. Yamaha reserves the right to change the specifications and performance data of this Performance Bulletin or engine without notice. This document contains many of Yamaha’s valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identification purposes only, and are not intended to be an endorsement.