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Performance Bulletin


Engine: Yamaha LF350XSA2 / F350XSA2 / LF350XSA2 / F350XSA2
Boat: Twin Vee 400 GFX2
Configuration: Quad
Test Date: 17-Jun-2024
Twin Vee - Twin Vee 400 GFX2

Performance Bulletin

228 - Twin Vee 400 GFX2

Twin Vee 400 GFX2

Length 40' 0"
Beam 12' 0"
Dry Weight (Boat Mfr. Pub) 11,984 lbs
Maximum HP 1,800 hp
Fuel Capacity 750 gal
Weight as Tested 15,700 lbs

LF350XSA2 / F350XSA2 / LF350XSA2 / F350XSA2

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

Engine Mounting Height

Mounting Hole Position #4

Propeller(s)

Series Saltwater Series II
Diameter x Pitch 14-3/4 x 23
Yamaha Part # 6CF-45974-20-00 / 6CE-45974-20-00 / 6CF-45974-20-00 / 6CE-45974-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 4
Air / Water Temperature (Fahrenheit) 88° F / 85° F
Elevation (in feet above sea level) 0'
Wind Velocity 10-15 MPH

Comments

Test weight includes 200 gallons of fuel, 6 batteries, safety and test equipment.

YPB#: PB_TWN_400 GFX2_QD_LF350XSA2_06/17/2024_CAT

Twin Vee - Twin Vee 400 GFX2

Performance Bulletin


Engine: Yamaha LF350XSA2 / F350XSA2 / LF350XSA2 / F350XSA2
Boat: Twin Vee 400 GFX2
Configuration: Quad
Test Date: 17-Jun-2024
LF350XSA2 / F350XSA2 / LF350XSA2 / F350XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 7.1 5.1 1.41
1500 9.7 9.0 1.08
2000 18.5 14.5 1.28
2500 24.1 21.5 1.12
3000 30.8 28.8 1.07
3500 38.1 38.6 0.99
4000 44.5 48.9 0.91
4500 51.2 62.2 0.82
5000 57.8 81.7 0.71
5500 63.0 113.0 0.56
5900 67.3 121.2 0.56

0-20 MPH: 4.22 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.