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Performance Bulletin


Engine: Yamaha XF425XSA2 / LXF425XSA2
Boat: Grady White 330 Express
Configuration: Twin
Test Date: 6-Nov-2018
Grady White® - Grady White 330 Express

Performance Bulletin

69 - Grady White 330 Express

Grady White 330 Express

Length 33' 6"
Beam 11' 7"
Dry Weight (Boat Mfr. Pub) 10,840 lbs
Maximum HP 850 hp
Fuel Capacity 331 gal
Weight as Tested 15,182 lbs

XF425XSA2 / LXF425XSA2

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

Engine Mounting Height

Mounting Hole Position #2
Ventilation Plate Height 1/4" above boat bottom

Propeller(s)

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

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 57° F / 50° F
Elevation (in feet above sea level) 0'
Wind Velocity 0-5 MPH

Comments

Test weight includes 215 gallons of fuel, full water, 4 batteries, 2 people and 30 lbs of safety gear on board.

YPB#: PB_GRW_330_EXPRESS_T_XF425_11-6-18_OCC

Grady White® - Grady White 330 Express

Performance Bulletin


Engine: Yamaha XF425XSA2 / LXF425XSA2
Boat: Grady White 330 Express
Configuration: Twin
Test Date: 6-Nov-2018
XF425XSA2 / LXF425XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 5.9 3.7 1.58
1500 8.2 5.5 1.48
2000 9.3 8.7 1.08
2500 14.8 13.4 1.11
3000 21.5 17.7 1.22
3500 28.9 25.5 1.13
4000 34.7 30.2 1.15
4500 40.6 40.1 1.01
5000 45.9 53.1 0.86
5500 50.2 67.4 0.74
5900 53.2 75.8 0.70

0-30 MPH: 8.33 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.