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Performance Bulletin


Engine: Yamaha XF425XSA2 / XF425ESA2 / XF425XSA2
Boat: Tiara 43 LS
Configuration: Triple
Test Date: 20-Sep-2019
Tiara Yachts - Tiara 43 LS

Performance Bulletin

145 - Tiara 43 LS

Tiara 43 LS

Length 43' 6"
Beam 13' 0"
Dry Weight (Boat Mfr. Pub) 18,900 lbs
Maximum HP 1,275 hp
Fuel Capacity 400 gal
Weight as Tested 27,311 lbs

XF425XSA2 / XF425ESA2 / XF425XSA2

Horsepower 425 hp
Induction DI/VCT/DOHC
Displacement 5.6L
Weight (Estimated) 952 - 999 - 952 lbs
Gear Ratio 1.79:1

Engine Mounting Height

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

Propeller(s)

Series XTO Offshore
Diameter x Pitch 16-5/8 x 19
Yamaha Part # 6GR-45974-00-00 / 6GS-45974-00-00
Propeller Material Polished Stainless Steel

Test Conditions

Number of People 5
Air / Water Temperature (Fahrenheit) 67° F / 65° F
Elevation (in feet above sea level) 577'
Wind Velocity 5-10 MPH

Comments

Test weight includes a Seakeeper 6, 30 gallons of diesel, 60 gallons of freshwater, 350 gallons of fuel, 40 gallons in waste tank, 7 batteries, safety and test gear.

YPB#: PB_TiaraSport_43LS_triple_XF425_9.20.19_OCC

Tiara Yachts - Tiara 43 LS

Performance Bulletin


Engine: Yamaha XF425XSA2 / XF425ESA2 / XF425XSA2
Boat: Tiara 43 LS
Configuration: Triple
Test Date: 20-Sep-2019
XF425XSA2 / XF425ESA2 / XF425XSA2

Performance Data

RPM
MPH
GPH
MPG
1000 6.5 5.8 1.11
1500 8.8 7.8 1.13
2000 11.0 12.6 0.87
2500 12.6 18.4 0.68
3000 16.2 26.1 0.62
3500 20.8 35.7 0.58
4000 28.7 45.0 0.64
4500 38.1 59.2 0.64
5000 43.2 70.0 0.62
5500 49.3 92.1 0.54
5900 53.3 110.9 0.48

0-20 MPH: 4.81 seconds<br />

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.