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Performance Bulletin


Engine: Yamaha LF350XSA4 / F350USA4 / F350XSA4
Boat: Scout 357 LXF
Configuration: Triple
Test Date: 28-Apr-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 13,760 lbs

LF350XSA4 / F350USA4 / F350XSA4

Horsepower 350 hp
Induction EFI/VCT/DOHC
Displacement 4.3L
Weight (Estimated) 629 - 642 - 629 lbs
Gear Ratio 1.75:1

Engine Mounting Height

Mounting Hole Position #3 - 1 - 3
Ventilation Plate Height 2"-2.5"-2" Above Boat Bottom

Propeller(s)

Series Saltwater Series II
Diameter x Pitch 14-3/4 and 15 x 23
Yamaha Part # 6CF-45974-20-00 / 6CE-45B74-20-00 / 6CE-45974-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 4
Air / Water Temperature (Fahrenheit) 75° F / 68° F
Elevation (in feet above sea level) 0'
Wind Velocity 10-15 MPH

Comments

Test weight includes 100 gallons of fuel, 6 batteries, optional SeaKeeper 3, safety and test equipment.

YPB#: PB_SCT_357 LXF_TR_LF350XSA4_4-28-2025_OCC

Scout - Scout 357 LXF

Performance Bulletin


Engine: Yamaha LF350XSA4 / F350USA4 / F350XSA4
Boat: Scout 357 LXF
Configuration: Triple
Test Date: 28-Apr-2025
LF350XSA4 / F350USA4 / F350XSA4

Performance Data

RPM
MPH
GPH
MPG
1000 7.2 4.1 1.78
1500 9.5 7.3 1.30
2000 11.1 13.5 0.82
2500 16.9 20.35 0.82
3000 29.6 23.4 1.26
3500 37.9 28.4 1.33
4000 44.9 36.8 1.22
4500 50.1 44.3 1.13
5000 55.8 59.7 0.93
5500 60.8 70.8 0.86
6100 67.7 94.0 0.72

0-30 MPH: 8.55 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.