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  1. #1
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    Exclamation Mercury Racing Launches All-New 250R and 300R Outboard Engines

    All New 250R & 300R Outboards Powerful. Fast. Efficient.

    FOND DU LAC, Wis. (May 18, 2018) – Mercury Racing is pleased to debut all-new 250R and 300R outboards.

    Designed, developed and manufactured in-house, the naturally aspirated, 4.6L V-8 fourstroke engines share Mercury Racing’s venerable Quad Cam Four Valve (QC4) sterndrive DNA – complete with aluminum four-valve cylinder heads and dual overhead camshaft (DOHC) valve train. The four valve heads and DOHC valve train is integrated with Mercury’s proprietary V-8 cylinder block, packed with high performance hardware. The new platform replaces the two-stroke V-6 250XS and 300XS models.

    Click image for larger version. 

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    No Replacement for Displacement The stout V-8 powerhead provides an astounding 44% in increased displacement compared to the legacy two-strokes. That, combined with four valves per cylinder and the DOHC valve train, enables the new four-strokes to generate unprecedented torque and unmatched acceleration from the lower end of the power band up to maximum engine speed. All of this on 87-octane (90 RON) pump fuel while maintaining a comparable weight as their legacy two-stroke cousins. The weight savings can be attributed to the state-of-the-art powerhead components including composite intake runners. Both models are backed by a three-year factory warranty.

    Click image for larger version. 

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    Repower Marvels Models accept either traditional throttle and shift cables or DTS (Digital Throttle & Shift). Throttle and shift actuation, handled electronically on the engine for both traditional and DTS rigging, replaces the lag and hesitation of mechanical throttle and shift cables with digital precision, resulting in smooth shifting and instant throttle response.

    The availability of either rigging system enhances the repower versatility of the engine.

    Click image for larger version. 

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    250R
    The 250R pumps out 250 prop shaft horsepower and much higher torque than the 250XS it replaces. The efficient and durable Sport Master gearcase, in the correct application – will enhance boat handling, top speed and efficiency.

    300R
    The 300R is the most powerful engine in its class. The 300R powerhead features Racing specified intake cam shafts, valves and an exclusive short runner intake manifold. An integrated oil cooler keeps oil temps down throughout the Racing exclusive 5800-6400 rpm operating range. A multitude of models with two midsections and three gearcase options in varying shaft lengths are available to revolutionize nearly any boating experience.

    About Mercury Racing
    Based in Fond du Lac, Wis., Mercury Racing, a division of Mercury Marine, is a leading provider of high-performance marine propulsion systems for discriminating boaters worldwide, offering an exciting and fulfilling power boating experience on the water. Using leading-edge technology, Mercury Racing produces high-performance outboards, sterndrives, propellers, parts and accessories. Mercury Racing also produces crate engines for the automotive aftermarket industry. Mercury Marine is a division of Brunswick Corp. (NYSE: BC), the world’s largest manufacturer of recreational products, including pleasure boats, marine engines, fitness equipmentand billiards.


    Facebook | YouTube | Vintage Outboard Catalogs
    Photo prints available of your boat - click here


  2. #2
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    I am impressed!!!!
    “The bitterness of poor quality & service remains long after the sweetness of low price is forgotten”

  3. Likes tux974 liked this post
  4. #3
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    Some cool footage-and a little sound bite.

    https://m.youtube.com/watch?v=QB2nmY...me_continue=13

    Joe

  5. #4
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    Very nice! The way of the future.

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