Reman Power Performers

4.3L Alpha 4V

225 Crankshaft Horsepower

WOW! A V-6 that makes more power than a 5.0L V-8. Replaces 4.3L and 5.0L powered runabouts and delivers V-6 fuel economy.

1-Year Factory Warranty

Available at any Mercury/MerCruiser Authorized Dealer

2 Additional Years of Coverage

Available from Mercury Product Protection

4.3L Alpha 4V

Specifications

Horsepower 225HP @ Crankshaft
WOT Operating Range 4400-4800 RPM
Engine Configuration GM V-6
Displacement 265 CID / 4.3L
Bore 4.040"
Stroke 3.480"
Compression Ratio 9.4:1
Idle Speed 650 RPM
Gasoline 87 Octane
Engine Oil MerCruiser 25W40 Syn Blend

Marine Configurations

Engine Only  
Engine with Alpha 1.47:1 or 1.81:1 (H)

Standard Equipment

600cfm 4V Weber Carburetor
Thunderbolt V Ignition
New and Improved Stainless Steel Valves
High Flow Flame Arrestor
1.5:1 Roller Rocker Arms
Marine Roller Camshaft
Intake Lift 0.415"
Exhaust Lift 0.428"
Cast Nodular Iron Heads
Intake Valve Diameter 1.94"
Exhaust Valve Diameter 1.50"
Cast Aluminum Pistons
160˚ F Thermostat

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Download 4.3L Alpha 4V sell sheet
Download installation drawing

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