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Performance Bulletin


Engine: Yamaha F250XCB / LF250XCB
Boat: Key West 263 FS
Configuration: Twin
Test Date: 24-Oct-2021
Key West - Key West 263 FS

Performance Bulletin

16 - Key West 263 FS

Key West 263 FS

Length 26' 3"
Beam 8' 3"
Dry Weight (Boat Mfr. Pub) 4,800 lbs
Maximum HP 600 hp
Fuel Capacity 175 gal
Weight as Tested 6,962 lbs

F250XCB / LF250XCB

Horsepower 250 hp
Induction EFI/VCT/DOHC
Displacement 4.2L
Weight (Estimated) 556 lbs
Gear Ratio 1.75:1

Engine Mounting Height

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

Propeller(s)

Series Saltwater Series II™
Diameter x Pitch 15-1/4 x 19
Yamaha Part # 6CE-45970-20-00 / 6CF-45970-20-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 82° F / 75° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 60 gallons of fuel, 3 batteries, safety and test equipment.

YPB#: PB_KWB_263 FS_TW_F250XCB_10-25-2021_OCC

Key West - Key West 263 FS

Performance Bulletin


Engine: Yamaha F250XCB / LF250XCB
Boat: Key West 263 FS
Configuration: Twin
Test Date: 24-Oct-2021
F250XCB / LF250XCB

Performance Data

RPM
MPH
GPH
MPG
1000 6.1 2.7 2.26
1500 8.5 4.6 1.85
2000 12.3 7.2 1.71
2500 22.1 9.0 2.46
3000 28.8 11.7 2.46
3500 34.8 15.0 2.32
4000 39.6 21.1 1.88
4500 44.3 26.0 1.70
5000 49.0 31.2 1.57
5500 53.2 37.2 1.43
6100 59.5 50.1 1.19

Time to Plane: 2.50 seconds<br /> 0-30 MPH: 4.15 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.