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Performance Bulletin


Engine: Yamaha LXF450USA2 / XF450ESA2 / XF450USA2
Boat: Southport 38 FE
Configuration: Triple
Test Date: 26-Mar-2024
Southport - Southport 38 FE

Performance Bulletin

86 - Southport 38 FE

Southport 38 FE

Length 38' 0"
Beam 13' 0"
Dry Weight (Boat Mfr. Pub) 16,000 lbs
Maximum HP 1,350 hp
Fuel Capacity 400 gal
Weight as Tested 22,351 lbs

LXF450USA2 / XF450ESA2 / XF450USA2

Horsepower 450 hp
Induction DI/VCT/DOHC
Displacement 5.6L
Weight (Estimated) 988 - 1,010 - 988 lbs
Gear Ratio 1.79:1

Engine Mounting Height

Mounting Hole Position #3

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-3/8 x 21
Yamaha Part # 6GS-45976-20-00 / 6GR-45976-20-00 / 6GR-45976-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 3
Air / Water Temperature (Fahrenheit) 79° F / 73° F
Elevation (in feet above sea level) 0'
Wind Velocity 10-15 MPH

Comments

Test weight includes 200 gallons of fuel, 7 batteries, Seakeeper 4, Phasor 4.5, safety and test equipment.

YPB#: PB_SOU_38 FE_TR_LXF450USA2_3-26-24_OCC

Southport - Southport 38 FE

Performance Bulletin


Engine: Yamaha LXF450USA2 / XF450ESA2 / XF450USA2
Boat: Southport 38 FE
Configuration: Triple
Test Date: 26-Mar-2024
LXF450USA2 / XF450ESA2 / XF450USA2

Performance Data

RPM
MPH
GPH
MPG
1000 7.0 5.4 1.29
1500 9.3 9.0 1.03
2000 10.1 14.8 0.68
2500 15.1 21.3 0.71
3000 24.3 27.0 0.90
3500 32.0 34.5 0.93
4000 38.1 44.6 0.86
4500 44.2 59.2 0.75
5000 50.5 75.9 0.67
5500 54.4 94.1 0.58
5950 60.1 114.8 0.52

0-20 MPH: 4.74 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.