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Performance Bulletin


Engine: Yamaha F70LB
Boat: Alumacraft Classic 165 Sport
Configuration: Single
Test Date: 22-Jul-2025
Alumacraft - Alumacraft Classic 165 Sport

Performance Bulletin

219 - Alumacraft Classic 165 Sport

Alumacraft Classic 165 Sport

Length 16' 4"
Beam 6' 10"
Dry Weight (Boat Mfr. Pub) 955 lbs
Maximum HP 90 hp
Fuel Capacity 17 gal
Weight as Tested 1,998 lbs

F70LB

Horsepower 70 hp
Induction EFI/VCT/DOHC
Displacement 60.8 cc
Weight (Estimated) 253 lbs
Gear Ratio 2.33:1

Engine Mounting Height

Mounting Hole Position #2

Propeller(s)

Series Aluminum
Diameter x Pitch 13-5/8 x 14
Yamaha Part # 6E5-45958-00-00
Propeller Material Stainless Steel

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 80° F / 73° F
Elevation (in feet above sea level) 981'
Wind Velocity 5-10 MPH

Comments

Test weight includes 15 gallons of fuel, 3 batteries, Minn Kota bow mount trolling motor, safety and test equipment.

YPB#: PB_ALM_Classic 165 Sport_F70LB_7-22-25_ALM

Alumacraft - Alumacraft Classic 165 Sport

Performance Bulletin


Engine: Yamaha F70LB
Boat: Alumacraft Classic 165 Sport
Configuration: Single
Test Date: 22-Jul-2025
F70LB

Performance Data

RPM
MPH
GPH
MPG
1000 3.6 0.3 12.00
1500 5.0 0.6 8.33
2000 6.3 0.9 7.00
2500 7.2 1.4 5.33
3000 9.4 1.9 5.08
3500 14.2 2.3 6.29
4000 19.1 2.7 7.19
4500 22.4 3.3 6.88
5000 25.7 3.9 6.59
5500 28.8 4.9 5.88
6150 32.4 5.4 5.99

0-20 MPH: 6.10 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.