Performance Bulletin
Performance Bulletin
Boat Manufactured By:
P. O. Box 580 • Clarkston, WA 99403
(509) 758-9831
www.northwest-boats.com
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: |
Performance Bulletin
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<br /> 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.