357 Alpha 4V

Test Conditions

Test Date 1-Jun-10
Test Conductor C.Blatz
Boat Weight as Tested 3694#
Air Temperature 76 deg. F
Elevation 748'
Wind Velocity 9 MPH
Fresh/Salt Water Fresh Water
Fuel Level at Testing Full

Performance Summary

Top Speed 55.1 MPH @ 4650 RPM
Acceleration 0 - 20 MPH (seconds) 4.4 sec.
Acceleration 0 - 30 MPH (seconds) 6.8 sec.

Performance Curve

Performance Data

RPM Range Speed (MPH) Fuel (GPH) Fuel (MPG)
1000 5.3 2.0 2.7
2000 9.5 5.0 1.9
3000 31.6 8.2 3.9
4000 45.8 16.5 2.8
4650 55.1 24.2 2.3

PLUS-SERIES ENGINE SPECIFICATIONS

Engine 357 Alpha 4V
Horsepower 275 HP
Cylinders V-8
Ignition Thunderbolt V w/knock control
Fuel Delivery 750 cfm 4bbl
Gear Ratio Alpha Gen II 1.47:1
Model Number 865108R88
Engine Weight 871 lbs

Boat Specifications

Manufacturer Bayliner
Boat Model 2050 Capri
Bottom Style Modified-V
Material Fiberglass
Length 20' 2"
Beam 7' 8"
Draft 2' 10"
Deadrise Angle 20º
Fuel Tank Capacity 37 gal.
Steering Type Power Hydraulic
Dry Boat Weight 2533 pounds
X-Dimension 14"

Propeller Specifications

Make Mercury
Model Enertia
Part Number 48-899000A46
Pitch 20"
Number of Blades 3
Material Stainless Steel

©2014 Mercury Marine, All Rights Reserved. Results on individual boats may vary depending on many factors, including weather and the condition of propeller, lower unit and boat bottom. Boat information based on manufacturer's published specifications.