Performance Bulletin


Engine: Yamaha F350XCB / LF350XCB
Boat: Cobia® 344 CC
Configuration: Twin
Test Date: 28-Apr-2014
Cobia®  344 CC

Performance Bulletin

58 - Cobia®  344 CC

Cobia® 344 CC

Length 34' 4"
Beam 11' 2"
Dry Weight (Boat Mfr. Pub) 13,000 lbs
Maximum HP 900 hp
Fuel Capacity 320 gal
Weight as Tested 15,881 lbs

F350XCB / LF350XCB

Horsepower 350 hp
Induction EFI
Displacement 5.3 L
Weight (Estimated) 763 lbs
Gear Ratio 1.73

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Saltwater Series XL®-SDS™
Diameter x Pitch 15 1/4 x 19
Yamaha Part # 6AW-45974-10-00 / 6AX-45974-10-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 85° F / 87° F
Elevation (in feet above sea level) 0'
Wind Velocity 5-10 MPH

Comments

Test weight includes 150 gallons of fuel, 4 batteries, hard top, optional forward cooler, safety and test gear.

YPB#: PB_COB_344CC_t_F350XCB_2014-04-28_OCC

58 - Cobia®  344 CC

Performance Bulletin


Engine: Yamaha F350XCB / LF350XCB
Boat: Cobia® 344 CC
Configuration: Twin
Test Date: 28-Apr-2014
F350XCB / LF350XCB

Performance Data

RPM
MPH
GPH
MPG
1000 6.5 3.4 1.91
1500 8.6 5.7 1.51
2000 9.9 9.7 1.02
2500 13.8 14.1 0.98
3000 21 18.9 1.11
3500 30.2 22.1 1.37
4000 34.2 26 1.32
4500 43.3 33.8 1.28
5000 49.2 39.9 1.23
5500 53.3 50.1 1.06
6100 59.3 67 0.89

Time to Plane: 4.34
0-30 MPH: 8.4

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.