Performance Bulletin


Engine: Yamaha XF425XSB2 / LXF425XSB2
Boat: Tidewater 320CC Adventure
Configuration: Twin
Test Date: 19-Sep-2021
Tidewater 320CC Adventure

Performance Bulletin

115 - Tidewater 320CC Adventure

Tidewater 320CC Adventure

Length 32' 2"
Beam 10' 4"
Dry Weight (Boat Mfr. Pub) 8,200 lbs
Maximum HP 850 hp
Fuel Capacity 290 gal
Weight as Tested 11,264 lbs

XF425XSB2 / LXF425XSB2

Horsepower 425 hp
Induction DI/VCT/DOHC
Displacement 5.6
Weight (Estimated) 952 lbs
Gear Ratio 1.79:1

Engine Mounting Height

Mounting Hole Position #2
Ventilation Plate Height 2" Above Boat Bottom

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-1/8 x 22
Yamaha Part # 6GR-45978-10-00 / 6GS-45978-10-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 87° F / 82° F
Elevation (in feet above sea level) 250'
Wind Velocity 10-15 MPH

Comments

Test weight includes 80 gallons of fuel, 3 batteries, safety and test equipment.

YPB#: PB_TID_320cc Adventure_TW_XF425XSB2_9-20-2021_OCC

115 - Tidewater 320CC Adventure

Performance Bulletin


Engine: Yamaha XF425XSB2 / LXF425XSB2
Boat: Tidewater 320CC Adventure
Configuration: Twin
Test Date: 19-Sep-2021
XF425XSB2 / LXF425XSB2

Performance Data

RPM
MPH
GPH
MPG
1000 7.0 4.3 1.63
1500 9.0 5.8 1.55
2000 11.0 9.2 1.20
2500 18.0 14.2 1.27
3000 30.0 17.0 1.76
3500 36.0 22.0 1.64
4000 42.5 28.3 1.50
4500 47.0 36.8 1.28
5000 54.0 46.8 1.15
5500 59.5 58.5 1.02
6100 66.0 74.8 0.88

Time to Plane: 6.55 seconds
0-30 MPH: 6.73 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.