Performance Bulletin


Engine: Yamaha F350XCB / F350UCB / LF350XCB
Boat: Scout® 420 LXF
Configuration: Triple
Test Date: 8-Jun-2015
Scout® 420 LXF

Performance Bulletin


Engine: Yamaha F350XCB / F350UCB / LF350XCB
Boat: Scout® 420 LXF
Configuration: Triple
Test Date: 8-Jun-2015
F350XCB / F350UCB / LF350XCB

Performance Data

RPM
MPH
GPH
MPG
1000 6 4.8 1.25
1500 8.5 8.2 1.04
2000 10.4 13.6 0.77
2500 11.7 20.7 0.57
3000 15.2 28.7 0.53
3500 24.7 34.6 0.71
4000 32.7 39.4 0.83
4500 38.8 48.2 0.81
5000 44.4 58.3 0.76
5500 48.9 73.1 0.67
6100 55 99.6 0.55

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.

46 - Scout® 420 LXF

Scout® 420 LXF

Length 42' 0"
Beam 13' 1"
Dry Weight (Boat Mfr. Pub) 15,800 lbs
Maximum HP 1,675 hp
Fuel Capacity 500 gal
Weight as Tested 21,346 lbs

F350XCB / F350UCB / LF350XCB

Horsepower 350 hp
Induction EFI
Displacement 5.3 L
Weight (Estimated) 763 - 780 - 763 lbs
Gear Ratio 1.73

Engine Mounting Height

Mounting Hole Position #4 - 1 - 4
Ventilation Plate Height 3/4" - 2 3/4" Above Boat Bottom

Propeller(s)

Series Saltwater Series XL®
Diameter x Pitch 16 1/4 x 17
Yamaha Part # 6AW-45972-10-00 / 6AX-45972-10-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 88° F / 77° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 400 gallons of fuel, 6 batteries, optional Sea Keeper Gyro Stabilization System, safety and test gear. Center engines modified to 35" shaft length with Latham Marine aftermarket kits for improved performance and efficiency.

YPB#: PB_SCT_420LXF_tri_F350_2015-06-08_OCC

Boat Manufactured By:
Scout
2531 Highway 78 West • Summerville, SC
(843) 821-0068
www.scoutboats.com