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Performance Bulletin


Engine: Yamaha F150XB / LF150XB
Boat: Tidewater 256 CC
Configuration: Twin
Test Date: 28-Jul-2020
Tidewater - Tidewater 256 CC

Performance Bulletin

115 - Tidewater 256 CC

Tidewater 256 CC

Length 25' 8"
Beam 9' 5"
Dry Weight (Boat Mfr. Pub) 4,900 lbs
Maximum HP 400 hp
Fuel Capacity 140 gal
Weight as Tested 7,018 lbs

F150XB / LF150XB

Horsepower 150 hp
Induction EFI/DOHC
Displacement 2.7L
Weight (Estimated) 489 lbs
Gear Ratio 2.00:1

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Reliance® Series
Diameter x Pitch 14-1/4 x 18
Yamaha Part # 68F-45978-20-00 / 68G-45978-20-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 90° F / 84° F
Elevation (in feet above sea level) 250'
Wind Velocity 10-15 MPH

Comments

Test weight includes 105 gallons of fuel, 2 batteries, safety and test equipment.

YPB#: PB_TID_256CC_F150XB_7-29-2020_OCC

Tidewater - Tidewater 256 CC

Performance Bulletin


Engine: Yamaha F150XB / LF150XB
Boat: Tidewater 256 CC
Configuration: Twin
Test Date: 28-Jul-2020
F150XB / LF150XB

Performance Data

RPM
MPH
GPH
MPG
1000 5.4 1.7 3.15
1500 7.0 2.5 2.80
2000 8.7 4.1 2.12
2500 11.1 6.3 1.76
3000 17.9 8.1 2.21
3500 24.0 9.9 2.42
4000 30.3 12.9 2.35
4500 35.3 16.9 2.09
5000 40.3 19.5 2.07
5500 45.0 28.1 1.60
5950 48.8 32.2 1.52

Time to Plane: 3.46 seconds<br /> 0-30 MPH: 6.00 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.