4.3L Alpha 4V

225HP

865108R89

The ideal Repower for your MerCruiser-powered boat

Best bang for the buck value available

1 Year Limited Factory Warranty Parts and Labor

+2 Years of Mercury Product Protection coverage available

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PN 90-899883437

PLUS-SERIES MODEL 4.3L Alpha 4V

SPECIFICATIONS

Power 225 HP (168 kW)

Full Throttle Range 4400-4800 RPM

Displacement CID 265 (4.3L)

Engine Type Remanufactured GM V6 Marine Iron Block & Gen+ Heads

Bore & Stroke 4.030” x 3.480” (102mm x 88mm)

Compression Ratio 9.4:1 with Cast Alloy Pistons

Rocker Arm Ratio 1.5:1 Roller

Fuel Requirement 87 Octane (R+M)/2

Fuel System Weber 600 cfm 4V Electric Choke Carburetor & Electric Fuel Pump

Induction System Dual Plane Iron Intake Manifold

Ignition System Thunderbolt V

Charging System 65 Amp / 917 Watt Alternator

Water Drain System Multi-Point Drain – Hand Removable Blue Drain Plugs

Exhaust System 2-Piece Exhaust - Iron Manifold with Wet-Joint Exhaust Elbow

Cooling System Thermostatically Controlled Raw Water - 160 F

Accessory Drive System Serpentine Belt

Lubrication System High Flow Oil Pump

Recommended Engine Oil SAE 25-40 NMMA Certifi ed FC-W Synthetic Blend

Audio Warning System Oil Pressure, Coolant Temperature, Drive Lube

Alpha Ratios 1.47:1, 1.62:1, 1.81:1

Dimensions (LxWxH) 28” x 30” x 22” (696mm x 740mm x 559mm)

Engine Weight (lbs./kg) 784 / 356

Optional Fresh Water Cooling Dealer Installed Kit

©2010 Mercury Marine, a division of Brunswick Corporation. All rights reserved. Reproduction in whole or in part without permission is prohibited.