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Performance Bulletin


Engine: Yamaha F300XSB / LF300XSB
Boat: Cobia 280 DC
Configuration: Twin
Test Date: 18-Apr-2022
Cobia® - Cobia 280 DC

Performance Bulletin

58 - Cobia 280 DC

Cobia 280 DC

Length 27' 7"
Beam 9' 8"
Dry Weight (Boat Mfr. Pub) 5,868 lbs
Maximum HP 600 hp
Fuel Capacity 172 gal
Weight as Tested 8,070 lbs

F300XSB / LF300XSB

Horsepower 300 hp
Induction EFI/VCT/DOHC
Displacement 4.2L
Weight (Estimated) 611 lbs
Gear Ratio 1.75:1

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Saltwater Series II™
Diameter x Pitch 15 x 20
Yamaha Part # 6CE-45932-20-00 / 6CF-45932-20-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 3
Air / Water Temperature (Fahrenheit) 77° F / 78° F
Elevation (in feet above sea level) 0'
Wind Velocity 20-25 MPH

Comments

Test weight includes 100 gallons of fuel, 3 batteries, safety and test equipment.

YPB#: PB_COB_280 DC_TW_F300XSB_4-19-2022_ODC

Cobia® - Cobia 280 DC

Performance Bulletin


Engine: Yamaha F300XSB / LF300XSB
Boat: Cobia 280 DC
Configuration: Twin
Test Date: 18-Apr-2022
F300XSB / LF300XSB

Performance Data

RPM
MPH
GPH
MPG
1000 5.5 2.5 2.20
1500 8.1 4.2 1.92
2000 9.8 7.4 1.32
2500 17.2 10.3 1.66
3000 26.5 12.7 2.08
3500 33.4 16.8 1.98
4000 38.7 23.3 1.66
4500 44.6 29.2 1.52
5000 40.2 37.0 1.35
5500 55.7 46.3 1.20
6000 59.0 53.6 1.10

Time to Plane: 4.27 seconds<br /> 0-20 MPH: 4.98 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.