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Performance Bulletin


Engine: Yamaha F90XA
Boat: Sportsman® Island Bay 18
Configuration: Single
Test Date: 9-Mar-2015
Sportsman® - Sportsman® Island Bay 18

Performance Bulletin

50 - Sportsman® Island Bay 18

Sportsman® Island Bay 18

Length 18' 1"
Beam 7' 1"
Dry Weight (Boat Mfr. Pub) 1,250 lbs
Maximum HP 90 hp
Fuel Capacity 24 gal
Weight as Tested 2,204 lbs

F90XA

Horsepower 90 hp
Displacement 97 cu. in.
Weight (Estimated) 372 lbs
Gear Ratio 2.27

Engine Mounting Height

Mounting Hole Position #3
Ventilation Plate Height Even With Boat Bottom

Propeller(s)

Series Aluminum
Diameter x Pitch 13 x 19
Yamaha Part # 6E5-45941-00-00
Propeller Material Aluminum

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 75° F / 65° F
Elevation (in feet above sea level) 0'
Wind Velocity 10-15 MPH

Comments

Test weight includes 18 gallons of fuel, 1 battery, safety and test gear.

YPB#: PB_SPT_IslandBay18_F90XA_2015-03-09_BAY

Sportsman® - Sportsman® Island Bay 18

Performance Bulletin


Engine: Yamaha F90XA
Boat: Sportsman® Island Bay 18
Configuration: Single
Test Date: 9-Mar-2015
F90XA

Performance Data

RPM
MPH
GPH
MPG
1000 3.3 0.4 8.25
1500 5.3 0.7 7.57
2000 6.7 1.1 6.09
2500 8.9 1.7 5.24
3000 14 2.6 5.39
3500 20.5 3.1 6.61
4000 24.7 3.8 6.5
4500 28.5 4.9 5.82
5000 33 6.4 5.16
5500 35.6 7.9 4.51
6100 42.4 9.7 4.37

Time to Plane : 2.68<br /> 0-30 MPH: 5.29

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.