• Mercury Racing 520

Mercury Racing 520

Overview

BIG POWER. BIG VERSATILITY. BIG DURABILITY.

At a full 520 horsepower, Mercury Racing’s 520 sterndrive opens the door to a family of expertly designed, hand-built performance engines. Don’t let the fact the 520 is the smallest engine in the Mercury Racing sterndrive offering fool you. The torque from even one of these engines is enough to sit you back in your seat.
Specifications
Model
520
Category Name
Engines
Year
2024
Sale Type
New
Manufacturer
Mercury Racing
WIDTH
33.8 IN
HEIGHT
24.2 IN
Weight
1218 LBS
WARRANTY
2-Year Limited For Recreational Boating
ALTERNATOR
65 AMP
CONTROLLER
1 X PCM; 1 X TCM
DRIVE UNIT
Bravo One XR, Bravo One XR Sport, Bravo One XR Sport Master (Std. & Short), Bravo Three XR; (Integrated Transom System Optional)
GEAR RATIO
1.35:1, 1.50:1
FUEL SYSTEM
Sequential Fuel Injection
DISPLACEMENT
8.6L
TRANSMISSION
Mercury Racing Dry Sump
BORE & STROKE
4.56 x 4.00 IN/115.8 x 101.6 MM
OIL REQUIREMENT
Mercury Racing NMMA Certified FCW SAE 25-W50 Synthetic Blend
FUEL REQUIREMENT
87 Octane Minimum (R+M/2), (91 RON) Global
COMPRESSION RATIO
8.7:1
FULL THROTTLE RPM
4800-5200
RATED HP AT TRANSOM
520
LENGTH - FROM BACK OF BLOCK
34.2 IN
CYLINDERS / ENGINE CONFIGURATION
V8
gearcase

Mercury Racing 520

BRAVO ONE XR

Intended for single, twin and triple applications with engines up to600hp in boats capable of up to 85 mph top speed. The Bravo OneXR® is designed for high-performance applications, with dual water pickups, heavy-duty U-joints, a heavy-duty stainless steel prop shaft, billet aluminum bearing carrier, upgraded upper thrust bearings and net forged straight cut bevel gears for enhanced strength.

Mercury Racing 520

BRAVO ONE XR SPORT MASTER

The surfacing Sport Master gearcase offers heavy-duty durability for boats that travel in excess of 85 mph, with four-slot low water pick-ups and a crescent leading-edge design that reduces drag as much as possible to maximize efficiency and speed. The one-piece gearcase housing and skeg are precision CNC machined for perfect symmetry that results in improved handling at higher speeds.

Mercury Racing 520 BRAVO ONE XR SPORT MASTER SHORT

The same super hydrodynamic design as the Sport Master, with a two-inch shorter length. This permits lowering the transom X dimension by two inches, and mounting the engine two inches lower in the boat, while maintaining an optimal propeller position. Gain engine hatch clearance and lower overall center of gravity for improved handling.

Mercury Racing 520 BRAVO THREE XR

The ideal drive option for Mercury Racing 520 engines in heavier cruiser boats. Heavy-duty components plus dual contra-rotating propellers provide added blade area to help lift a heavy boat out of the hole. The Mercury Racing Bravo Three XR® prop sets feature added cup to combat cavitation in higher horsepower applications. A large-diameter four-blade forward propeller followed by a smaller diameter three-blade aft propeller offer incredible handling, improved fuel economy at cruise speed, and improved boat control around the dock.
accessories

Mercury Racing 520 JOYSTICK PILOTING

Eliminate the stress of positioning or maneuvering a performance boat in tight spaces during less-than-ideal situations. Focus instead on the total confidence of being effortlessly, intuitively, and completely in control of your boat. Mercury Joystick Piloting for Outboards combines throttle, shift and steering control in a single joystick designed for maximum maneuverability at lower speeds. It’s part of the complete SmartCraft package, which includes Digital Throttle & Shift, Skyhook digital anchor, integrated AutoPilot and VesselView® displays.
Mercury Racing 520

DIGITAL ZERO EFFORT CONTROLS

Digital Zero Effort Controls replace the lag and hesitation of traditional throttle and shift cables with digital precision, resulting in smooth shifting and instant throttle response. Ergonomic design features short-throw levers for effortless shifting and ultra-fast throttle response, and the robust stainless-steel levers offer unmatched durability in the offshore environment. Digital Zero Effort Controls can provide automatic throttle synchronization and shadow mode for up to six engines (where two levers operate six engines) and go hand in hand with engines equipped with Mercury’s exclusive Joystick Piloting for Outboards (JPO) technology.

Mercury Racing 520 X-HAUST SOUND TUNING

Mercury Racing's exclusive X-Haust Noise Reducer features a fully integrated sterndrive exhaust noise reduction system. X-haust was developed primarily to bring the HP600 SCi and EU662 SCi sterndrive engine packages, already certified by the European Union Recreational Craft Directive (RCD) requirements for exhaust emissions, in compliance with the stringent RCD noise regulations.

Mercury Racing 520 INTEGRATED TRANSOM SYSTEM (ITS)

The Integrated Transom System (ITS), developed for use with Bravo sterndrives, features integral power steering cylinders, making the transom more aesthetically pleasing and simplifying installation.
literature
Name Link

MR-Sterndrive-Brochure.pdf

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