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Performance Bulletin


Engine: Yamaha LXF450USA4 / XF450USA4
Boat: Scout 357 LXF
Configuration: Twin
Test Date: 25-Feb-2025
Scout - Scout 357 LXF

Performance Bulletin

46 - Scout 357 LXF

Scout 357 LXF

Length 35' 3"
Beam 10' 9"
Dry Weight (Boat Mfr. Pub) 10,120 lbs
Maximum HP 1,200 hp
Fuel Capacity 319 gal
Weight as Tested 14,005 lbs

LXF450USA4 / XF450USA4

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

Engine Mounting Height

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

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-1/8 x 22
Yamaha Part # 6GS-45934-20-00 / 6GR-45934-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 4
Air / Water Temperature (Fahrenheit) 60° F / 59° F
Elevation (in feet above sea level) 0'
Wind Velocity 0-5 MPH

Comments

Test weight includes 150 gallons of fuel, 6 batteries, optional Sea Keeper 3 gyro, safety and test equipment.

YPB#: PB_SCT_357 LXF_TW_LXF450USA4_2-25-2025_OCC

Scout - Scout 357 LXF

Performance Bulletin


Engine: Yamaha LXF450USA4 / XF450USA4
Boat: Scout 357 LXF
Configuration: Twin
Test Date: 25-Feb-2025
LXF450USA4 / XF450USA4

Performance Data

RPM
MPH
GPH
MPG
1000 6.5 3.7 1.74
1500 9.4 8.3 1.13
2000 10.6 13.5 0.79
2500 14.7 19.5 0.75
3000 24.2 24.8 0.98
3500 35.0 28.9 1.21
4000 41.5 35.5 1.17
4500 48.3 45.2 1.07
5000 53.4 55.4 0.96
5500 56.4 60.6 0.93
6100 62.1 79.8 0.78

0-30 MPH: 11.95 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.