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Performance Bulletin


Engine: Yamaha XF450USA2 / LXF450USA2
Boat: Sea Fox 368 Commander
Configuration: Twin
Test Date: 14-Feb-2023
Sea Fox® - Sea Fox 368 Commander

Performance Bulletin

48 - Sea Fox 368 Commander

Sea Fox 368 Commander

Length 36' 0"
Beam 11' 0"
Dry Weight (Boat Mfr. Pub) 13,500 lbs
Maximum HP 1,350 hp
Fuel Capacity 382 gal
Weight as Tested 0 lbs

XF450USA2 / LXF450USA2

Horsepower 450 hp
Induction DI/VCT/DOHC
Displacement 5.6L
Weight (Estimated) 963 - 963 lbs
Gear Ratio 1.79:1

Engine Mounting Height

Mounting Hole Position #4
Ventilation Plate Height 3/4" Above Boat Bottom

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-5/8 x 19
Yamaha Part # 6GR-45974-20-00 / 6GS-45974-20-00
Propeller Material 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 10-15 MPH

Comments

Test weight includes 300 gallons of fuel, 4 batteries, safety and test equipment.

YPB#: PB_SFX_368 Commander_XF450USA2_2-14-2023_OCC

Sea Fox® - Sea Fox 368 Commander

Performance Bulletin


Engine: Yamaha XF450USA2 / LXF450USA2
Boat: Sea Fox 368 Commander
Configuration: Twin
Test Date: 14-Feb-2023
XF450USA2 / LXF450USA2

Performance Data

RPM
MPH
GPH
MPG
1000 5.7 3.6 1.61
1500 8.0 5.8 1.39
2000 9.9 9.4 1.06
2500 10.7 14.2 0.75
3000 15.6 20.3 0.77
3500 23.9 24.6 0.97
4000 33.0 32.7 1.01
4500 38.6 41.5 0.93
5000 44.1 52.7 0.84
5500 48.9 64.9 0.75
6000 52.6 76.8 0.68

Time to Plane: 7.40 seconds<br /> 0-30 MPH: 9.20 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.