Sign Up

Performance Bulletin


Engine: Yamaha LXF425XSB / XF425ESB / LXF425ESB / XF425XSB
Boat: Grady White 415 Freedom
Configuration: Quad
Test Date: 5-Aug-2021
Grady White® - Grady White 415 Freedom

Performance Bulletin

69 - Grady White 415 Freedom

Grady White 415 Freedom

Length 40' 7"
Beam 13' 8"
Dry Weight (Boat Mfr. Pub) 22,950 lbs
Maximum HP 1,800 hp
Fuel Capacity 536 gal
Weight as Tested 29,862 lbs

LXF425XSB / XF425ESB / LXF425ESB / XF425XSB

Horsepower 425 hp
Induction DI/VCT/DOHC
Displacement 5.6L
Weight (Estimated) 952 - 999 - 999 - 952 lbs
Gear Ratio 1.79:1

Engine Mounting Height

Mounting Hole Position #4

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-3/8 x 21
Yamaha Part # 6GS-45976-10-00
Propeller Material Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 78° F / 79° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 268 gallons of fuel, 55 gallons of fresh water, safety and test equipment.

YPB#: PB_GRW_415 Freedom_QD_LXF425XSB_08-05-2021_ODC

Grady White® - Grady White 415 Freedom

Performance Bulletin


Engine: Yamaha LXF425XSB / XF425ESB / LXF425ESB / XF425XSB
Boat: Grady White 415 Freedom
Configuration: Quad
Test Date: 5-Aug-2021
LXF425XSB / XF425ESB / LXF425ESB / XF425XSB

Performance Data

RPM
MPH
GPH
MPG
1000 6.8 7.8 0.88
1500 9.1 11.0 0.83
2000 10.6 17.8 0.59
2500 12.5 27.7 0.45
3000 21.8 36.3 0.60
3500 30.6 47.2 0.65
4000 37.1 61.7 0.60
4500 42.6 81.7 0.52
5000 48.5 104.2 0.47
5500 54.3 135.3 0.40
6000 59.5 147.0 0.40

0-20 MPH: 6.35 seconds<br /> 0-30 MPH: 9.96 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.