Mercury Racing 565 Engine
Mercury Racing 565
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The naturally aspirated engine combines the proven performance of big block power with the creature comforts of digital throttle and shift.
The 565 is based off the same CNC machined cylinder block as its race-proven sibling, the 525 EFI. Mercury Racing's quest for more power and torque began by increasing the stroke for an additional 31 cubic inches of displacement to 533-C.I.D. (8.7 L). The larger displacement combined with redesigned cylinder heads, multiport fuel injection and twin electronic throttle bodies results in a whopping 565 horsepower at the 5000-5400 rpm operating range. All of this power comes from 89 posted octane (R+M)/2 pump gas. The 565 complies with EPA and CARB exhaust gas emissions limits.
The 565 features the same Propulsion Control Module (PCM) microprocessor used on the QC4v 1100 and 1350. In addition to digital throttle control, the new PCM enables the use of eight individual coils (one per cylinder). The ability to optimize fuel, spark timing and knock control independently for each cylinder enhances engine running quality, performance, fuel economy, and durability.
The PCM computer also drives Mercury Racing's exclusive Engine Guardian System. Engine Guardian monitors engine functions to forewarn of possible problems that could lead to engine damage. This "smart" technology not only detects and alerts the boater of a problem; it also processes the data and reduces power to a maximum, safe level that allows the boater to continue operation. Engine Guardian also has the ability to proactively help prevent engine overheating by sensing not only engine temperature, but cooling water pressure as well. By sensing water pressure, and temperature, the system can provide advanced warning to the PCM control module, which then reduces engine power before temperature related engine damage takes place.
The PCM enabled system also features one-touch Smart Start, automatic throttle synchronization and shadow mode for triple engine applications (where two throttle levers can operate up to three engines).
Unique to the 565 is the addition of a second microprocessor. The Transmission Control Module (TCM) is dedicated to provide smooth, effortless shifting to the Bravo One XR drive train. Mercury Racing's Zero Effort Digital control provides an intuitive control experience – precisely signaling driver intent to the potent 565 engines.
The 565 is closed cooled for more uniform temperature distribution, optimal running quality and longer life. It comes equipped with a 90 amp charging system, providing an ample supply of power for an array of marine electronics.
Crankshaft-rated Horsepower 565 (421 kW)
Full Throttle RPM Range 5000-5400
Displacement CID/Liter 533/8.7
Bore (in/mm) 4.466/113
Compression Ratio 8.7:1
Alternator (amp/watt) 90-amp (1269-watt)
Controller 1 X PCM; 1 X TCM
Fuel System Sequential Fuel Injection
Fuel Requirements 89 Octane Minimum (R + M)/2
Drive Unit Bravo One XR, Bravo One XR Sport Master (Std. or Short)
Gear Ratio 1.35:1, 1.50:1
Length (in/mm)34.2/869 (Transom Mount to Front of Engine)
Height (in/mm)26.9/684 (From Crankshaft Centerline)
Warranty1-Year Limited for Recreational Boating *Application dependent. Contact Mercury Racing for additional information.
** ITS is optional for all Bravo One and Bravo Three drives.
† Applies to Bravo drive packages only.
Carbon Birthmark: The 565 features a carbon fiber top cover, a styling birthmark it gets from its QC4v 1100 and 1350 siblings. The cover not only looks good – it also protects the engine electronics from moisture and other potential hazards.
Drives: The 565 is available with Bravo One XR and Bravo One XR Sport Master (standard and short) drive options with 1.35:1 or 1.50:1 gear ratios. The Mercury Racing Integrated Transom System (ITS) is also available.
Color Options: A total of 11 engine color options available The standard engine color is Raven Black accented with Mercury Race Blue Metallic valve covers and heat exchanger.
For more info visit Mercury Racing.