June 19, 2019

Supercharged 4.6-Liter V8 Offers Unmatched Power Supercharged 4.6-Liter V8 Offers Unmatched Power 

Announced on June 18, the exciting new Mercury Racing 450R outboard is purpose designed to bring Mercury Racing DNA to a wide range of high performance and larger boats. The 450R features a 4.6-liter V8 FourStroke powerhead boosted by an exclusive Mercury Racing supercharger to produce 450 peak propshaft horsepower and 40 percent higher torque than the powerful 400R.  

Weighing more than 300 pounds less than the nearest competitor, the new 450R delivers an industry leading power-to-weight ratio in a compact, efficient package. The 450R writes a power prescription that combines unprecedented acceleration and top speed potential with rugged reliability and the latest technology from Mercury Racing.

Multiple gearcase, control system, tie bar, and styling options are available to create the ultimate customized outboard performance package, ready to run Wide Open all day long. Best of all, the Mercury Racing 450R delivers all of its performance on readily available 89-octane (95 RON) pump fuel.

Supercharged Performance
Designed and developed in-house and manufactured in Wisconsin on a dedicated Mercury Racing production line, the 450R is based on the same 4.6-liter V8 powerhead used for the normally aspirated Mercury Racing 300R outboard models. The proprietary 64-degree aluminum block is topped with aluminum cylinder heads with a Mercury Racing Quad Cam Four Valve (QC4) design and double overhead camshafts (DOHC). The valve train features a high-performance intake cam profile and race-spec Inconel exhaust valves. The camshafts are chain-driven and run in an oil bath so there is no timing belt to maintain.

Mercury Racing engineers addressed every aspect of performance in designing the 450R outboard, and the weight and design of each component was scrutinized to achieve maximum power with minimal weight. The result is outstanding power density; 450 horsepower from an outboard that weighs as little as 689 pounds (313 Kg), the best power-to-weight ratio for outboards rated 400 horsepower and above. 

The wide-open throttle (WOT) operating range extends from 5800-6400 rpm, allowing for a full complement of Mercury Racing propellers to optimize acceleration, efficiency, and top speed. 

Sea Ray Announces new SLX-R model featuring twin 450R engines
Also just announced is Sea Ray’s limited-edition SLX-R package of the new SLX 350 Outboard that comes standard with newly released Mercury Racing 450R dual engines.

SLX-R 350 Outboard with 450R

As a first-of-its-kind model, the SLX-R features elevated design elements and innovative technologies now paired with the unmatched power and performance of the 450R.

“As the newest, cutting-edge propulsion from Mercury Racing, the 450R was a natural fit as a new standard amenity to enhance the SLX-R 350 Outboard, offering a sport boating experience unlike any other,” said Steve Langlais, Sea Ray president. “Providing high-performance horsepower, the 450R is more than 300 pounds lighter than the nearest competitor and delivers industry-leading power-to-weight in a compact, efficient package.”

Unmatched Reliability
Designed to thrive in the abusive environment of high-performance boating, the 450R was tested, tested and tested again – in the lab and on the water – in a never-ending quest to exceed the highest expectations of the most-demanding customers. Run Wide Open with confidence. The Mercury Racing 450R outboard is backed by a three-year limited factory warranty and a three-year limited corrosion warranty. Extend that coverage for up to five additional years with a Mercury Product Protection factory-backed extended service plan. 

Production of the all-new 450R is underway and customer shipments have begun.

To learn more, visit: mercurymarine.com

To see Mercury's promotional video: 

https://www.facebook.com/MercuryRacing/videos/762941597435943/

Boating Industry Canada News Week

 

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SOUTHERN SPARS JOINS FORCES WITH MAGMA STRUCTURES ON DYNARIG

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Read More about the Southern Spars and Magma Structures...........

 

 

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Sharrow Marine has announced plans to have a mass-produced, cast version of their award-winning propeller in production by the end of this year.

 

 

 

 

Read more about Sharrow Marine's Cast Propeller............

 

 

 

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