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Performance Bulletin


Engine: Yamaha LF350XSA2 / F350XSA2
Boat: Southport 33 DC
Configuration: Twin
Test Date: 26-Mar-2024
Southport - Southport 33 DC

Performance Bulletin

86 - Southport 33 DC

Southport 33 DC

Length 33' 0"
Beam 10' 7"
Dry Weight (Boat Mfr. Pub) 9,800 lbs
Maximum HP 900 hp
Fuel Capacity 250 gal
Weight as Tested 12,798 lbs

LF350XSA2 / F350XSA2

Horsepower 350 hp
Induction EFI/VCT/DOHC
Displacement 4.3L
Weight (Estimated) 629 - 629 lbs
Gear Ratio 1.75:1

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Saltwater Series II
Diameter x Pitch 15-1/4 x 19
Yamaha Part # 6CF-45970-20-00 / 6CE-45970-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 76° F / 72° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 125 gallons of fuel, 8 batteries, safety and test equipment.

YPB#: PB_SOU_33 DC_TW_LF350XSA2_3-26-24_ODC

Southport - Southport 33 DC

Performance Bulletin


Engine: Yamaha LF350XSA2 / F350XSA2
Boat: Southport 33 DC
Configuration: Twin
Test Date: 26-Mar-2024
LF350XSA2 / F350XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 6.4 2.5 2.56
1500 8.4 4.5 1.88
2000 10.0 7.0 1.44
2500 13.8 11.2 1.23
3000 17.7 14.8 1.20
3500 26.3 17.4 1.51
4000 33.2 23.7 1.40
4500 38.4 29.6 1.30
5000 42.9 39.4 1.09
5500 48.4 53.9 0.90
6000 52.2 61.9 0.84

0-20 MPH: 5.65 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.