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Performance Bulletin


Engine: Yamaha XF425XSA2 / LXF425XSA2
Boat: Cobia 350
Configuration: Twin
Test Date: 10-Jul-2019
Cobia® - Cobia 350

Performance Bulletin

58 - Cobia 350

Cobia 350

Length 34' 4"
Beam 11' 2"
Dry Weight (Boat Mfr. Pub) 8,600 lbs
Maximum HP 900 hp
Fuel Capacity 320 gal
Weight as Tested 11,496 lbs

XF425XSA2 / LXF425XSA2

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

Engine Mounting Height

Mounting Hole Position #4

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-3/8 x 21
Yamaha Part # 6GR-45976-00-00 / 6GS-45976-00-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 4
Air / Water Temperature (Fahrenheit) 85° F / 85° F
Elevation (in feet above sea level) 0'
Wind Velocity 0-5 MPH

Comments

Test weight includes 160 gallons of fuel, 3 batteries, safety and test equipment.

YPB#: PB_COB_350_TW_XF425XSA_07-11-2019_OCC

Cobia® - Cobia 350

Performance Bulletin


Engine: Yamaha XF425XSA2 / LXF425XSA2
Boat: Cobia 350
Configuration: Twin
Test Date: 10-Jul-2019
XF425XSA2 / LXF425XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 6.5 3.8 1.73
1500 8.9 5.9 1.50
2000 10.5 9.9 1.06
2500 13.6 14.9 0.91
3000 24.3 17.9 1.35
3500 33.1 22.9 1.45
4000 39.4 30.1 1.31
4500 44.7 37.3 1.20
5000 49.6 45.9 1.08
5500 54.2 59.6 0.91
6000 62.6 74.6 0.84

0-30 MPH: 7.36 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.