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Performance Bulletin


Engine: Yamaha VF90LB
Boat: Xpress X18DB
Configuration: Single
Test Date: 21-Apr-2025
Xpress® - Xpress X18DB

Performance Bulletin

57 - Xpress X18DB

Xpress X18DB

Length 18' 10"
Beam 7' 4"
Dry Weight (Boat Mfr. Pub) 990 lbs
Maximum HP 90 hp
Fuel Capacity 6 gal
Weight as Tested 1,849 lbs

VF90LB

Horsepower 90 hp
Induction EFI/VCT/DOHC
Displacement 1832cc
Weight (Estimated) 353 lbs
Gear Ratio 2.15:1

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Aftermarket
Diameter x Pitch 13 1/2 x 21
Yamaha Part # N/A
Propeller Material Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 73° F / 70° F
Elevation (in feet above sea level) 299'
Wind Velocity 0-5 MPH

Comments

Test weight includes 6 gallons of fuel, 1 battery, 2 people, safety and test equipment.

YPB#: PB_XPR_X18_VF90LA_04-21-25_ALM

Xpress® - Xpress X18DB

Performance Bulletin


Engine: Yamaha VF90LB
Boat: Xpress X18DB
Configuration: Single
Test Date: 21-Apr-2025
VF90LB

Performance Data

RPM
MPH
GPH
MPG
1000 4.4 0.5 8.57
1500 6.0 0.9 6.44
2000 7.2 1.4 5.25
2500 12.4 2.1 5.95
3000 23.4 2.4 9.70
3500 28.3 3.2 8.70
4000 32.1 4.1 7.75
4500 36.7 5.5 6.72
5000 40.5 6.9 5.89
5500 45.0 9.4 4.77
6050 48.7 10.2 4.77

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.