Performance Bulletin


Engine: Yamaha F70LA
Boat: Northwest® 187 Compass®
Configuration: Single
Test Date: 29-Nov-2011
Northwest® 187 Compass®

Performance Bulletin


Engine: Yamaha F70LA
Boat: Northwest® 187 Compass®
Configuration: Single
Test Date: 29-Nov-2011
F70LA

Performance Data

RPM
MPH
GPH
MPG
1000 3.7 0.3 12.33
1500 5.3 0.5 10.6
2000 6.6 0.9 7.33
2500 7.7 1.2 5.83
3000 9.6 1.8 5.33
3500 13.6 2.3 5.91
4000 17.8 2.7 6.59
4500 21.9 3.3 6.64
5000 25.3 3.9 6.49
5500 28.4 4.9 5.8
6000 31 5.8 5.35
6300 33 6.4 5.16

Seconds to Plane: 5.11
Seconds 0-30 MPH: 10.95

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.

103 - Northwest® 187 Compass®

Northwest® 187 Compass®

Length 18' 7"
Beam 7' 6"
Dry Weight (Boat Mfr. Pub) 1,326 lbs
Maximum HP 115 hp
Fuel Capacity 27 gal
Weight as Tested 2,204 lbs

F70LA

Horsepower 70 hp
Displacement 60.8 cu. in.
Weight (Estimated) 257 lbs
Gear Ratio 2.33

Engine Mounting Height

Mounting Hole Position #2
Anti-Ventilation Plate Height Even With Bottom

Propeller(s)

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

Test Conditions

Number of People 2
Air / Water Temperature (Fahrenheit) 40° F / 48° F
Elevation (in feet above sea level) 748'
Wind Velocity 0-5 MPH

Comments

Test weight includes 1/2 tank of fuel, 1 battery, safety and test equipment. Fuel consumption data gathered with Yamaha Command Link® fuel management system. Zero-to-30 speed data gathered with Yamaha speedometer. Other speed data gathered with GPS receiver.

YPB#: PB_NOR_187Compass_F70LA_2011-11-29_ALM

Boat Manufactured By:
Northwest
P. O. Box 580 • Clarkston, WA 99403
(509) 758-9831
www.northwest-boats.com