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Performance Bulletin


Engine: Yamaha F350XSA2
Boat: Sylvan G5 ULZ DC
Configuration: Single
Test Date: 4-Aug-2026
Sylvan - Sylvan G5 ULZ DC

Performance Bulletin

52 - Sylvan G5 ULZ DC

Sylvan G5 ULZ DC

Length 27' 8"
Beam 8' 6"
Dry Weight (Boat Mfr. Pub) 4,475 lbs
Maximum HP 425 hp
Fuel Capacity 60 gal
Pontoon # / Diameter 3 / SD 27"
Weight as Tested 6,214 lbs

F350XSA2

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

Engine Mounting Height

Mounting Hole Position #3

Propeller(s)

Series Saltwater Series II
Diameter x Pitch 15-1/2 x 17
Yamaha Part # 6CE-45978-20-00
Propeller Material Stainless Steel

Test Conditions

Number of People 3
Air / Water Temperature (Fahrenheit) 76° F / 74° F
Elevation (in feet above sea level) 859'
Wind Velocity 5-10 MPH

Comments

Test weight includes 40 gallons of fuel, 2 batteries, arch, safety and test equipment.

YPB#: PB_SYL_G5 ULZ DC_F350XSA2_8-4-2026_PNT

Sylvan - Sylvan G5 ULZ DC

Performance Bulletin


Engine: Yamaha F350XSA2
Boat: Sylvan G5 ULZ DC
Configuration: Single
Test Date: 4-Aug-2026
F350XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 4.9 1.1 4.45
1500 6.9 1.9 3.63
2000 9.7 3.0 3.29
2500 14.3 4.4 3.28
3000 17.8 5.8 3.07
3500 23.4 8.1 2.89
4000 28.5 10.5 2.71
4500 33.1 13.6 2.44
5000 38.0 18.1 2.10
5500 42.1 22.0 1.91
6050 47.0 29.8 1.58

0-20 MPH: 4.70 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.