5/8/11

MerCruiser Engine Specifications

    • MerCruiser engines, produced by Mercury Marine, utilize the exclusive TKS system. According to Mercury Marine, this features the convenience of a fuel-injection system with a carbureted engine. Other MerCruiser models offer multiport injection (MPI). This offers computer-controlled fuel and ignition systems to ensure better performance. The MerCruiser also utilizes the SeaCore system, which Mercury Marine contends brings the engine as close to corrosion-proof as possible.

    496 MAG H.O.

    • The 8.1L, V-8 engine generates 425 horsepower with a full-throttle range of 4,600 to 5,000 revolutions per minute (RPM). The 496 has a compression ratio of 9.1:1, along with a bore of 4.25 inches and a stroke of 4.38 inches. It requires 87-octane fuel and has a 65-ampere (amp) charging system. The engine is 35 inches long, 33 inches wide and 24 inches tall. The Bravo One configuration weighs 1,199 pounds, the Bravo Two weighs 1,214 pounds and the Bravo Three weighs 1,224 pounds.

    3L TKS

    • The three-liter inline four-cylinder engine generates 135 horsepower with a full-throttle range of 4,400 to 4,800 RPM. It has a compression ratio of 9.3:1, a bore of 4 inches and a stroke of 3.60 inches. It uses 87-octane fuel with a 67-amp charging system. Power steering is an available option for this engine. The engine uses a thermostatically controlled cooling system with raw water as the coolant. The engine is 29 inches long, 26 inches wide and stands 21 inches tall. It weighs 635 pounds.

    8.2 MAG

    • The V-8, 8.2L MAG engine generates 380 horsepower with a maximum rpm of 4,400 to 4,800. The bore is 4.47 inches with a stroke of 4 inches and a compression ratio of 8.75 to one. The MAG uses 87 octane fuel with a Gen III Cool Fuel delivery system and a 65-amp alternator. The engine is 35 inches long, 33 inches wide and 24 inches tall. It weighs 1,080 pounds.

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