• 700 SCI



    The popular 700 SCi delivers unsurpassed power and performance. The combination of a powerful engine management computer with a 3.3 Liter Lysholm screw-type supercharger, roller camshaft, and sequential fuel injection results in impeccable idle quality, instant throttle response, and unmatched preformance throughout the 4800-5200 RPM-rated engine operating range. The 700 SCi's use of idle speed control strategies, along with an exclusive dual shift switch and coupler design, result in ultra-smooth shifting for the dry-sump NXT6 drive. The optional Stage 1 X-haust Noise Reducer system brings the 700 SCi in compliance with most noise regulations outside of the European Union – a feature we're not afraid to be loud about.


    The boost control bypass valve on the supercharger provides full power at increased ambient temperatures and elevations


    The sequential fuel injection provides an improved idle quality and throttle response time, while using less fuel in the process


    Corrosion Resistant

    Closed cooling and twin-walled stainless steel headers protect the engine from the corrosive salt water environment



    Compatible with


    The legendary NXT6 sterndrive has racked up more national and world championships in the demanding …



    Horsepower 700 (522 kW)
    Full Throttle RPM Range 4800-5200
    Displacement Liter/CID 8.2/502
    Bore (in/mm) 4.47/113
    Stroke (in/mm) 4.00/102
    Compression Ratio 7.5:1
    Cylinder Arrangement V-8
    Alternator (amp/watt) 90/1269
    Controller Distributorless
    Fuel System Sequential Fuel Injection
    Fuel Requirements 89 Posted Octane (R+M)/2, (95 RON) International
    Transmission Mercury Racinq Dry-Sump Hydraulic
    Drive Unit NXT6
    Gear Ratio Application dependent. Contact Mercury Racing for additional information.
    Length (in/mm) 35.7/907 (Transom mount to front of engine)
    Width (in/mm) 33/838
    Height (in/mm) 27.9/709
    Weight (lbs/kg) 1548/702
    Warranty 1548/702
    • Active torque management via an electronic boost bypass control valve ensures consistent 700 horsepower in a variety of conditions and environments.
    • Larger 5/8 ID oil lines increase oil flow through the filter & cooler for enhanced engine protection.
    • "Cool collar" Sweeper Headers feature a new alloy for enhanced saltwater corrosion resistance and durability.
    • The intercooler is made of copper-nickel alloy called "CuproNickel" for excellent corrosion resistance.
    • Lysholm 3.3 Liter screw type supercharger featuring Mercury Racing's front drive housing.
    • Mercury PCM microprocessor optimizes fuel and spark timing for each cylinder independently for enhanced engine running quality.
    • SmartCraft Engine Guardian continually monitors engine conditions to protect against potential damage
    • Knock control – engine monitors for knock continuously
    • Piston design enhances fuel economy.
    • One coil per cylinder for ultimate in engine ignition management .
    • Closed cooling system
    • To improve packaging and reduce fuel connections, a custom billet housing was created to accommodate the fuel pressure regulator and water separating fuel filter.
    • Features the dry-sump M6 sterndrive and Mercury Racing transmission.
    • Unique drive design enables engine to be mounted in same location as Bravo drive applications.
    • Custom designed high flow throttle body features twin 2.9 inch throttles and is integral to the boost bypass loop.
    • Higher fuel pressure demands are met with a new electric fuel pump. The engine is also equipped with fuel cooling and a mechanical pump to combat vapor lock.
    • Custom Edelbrock aluminum cylinder heads designed exclusively for Mercury Racing for enhanced torque and overall performance
    • Induction alloy Micro Alloy crankshaft features larger journal radii for enhanced strength and durability.
    • Available in an array of custom color options in addition to the standard Mercury Racing blue metallic.
    • Suitable for: Catamaran Sport/Poker Runner, Vee-Bottom Sport/Poker Runner




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