2025 Mercury Racing 500R
The 2025 Mercury Racing 500R is a high-performance outboard engine designed for luxury sport boats and offshore racing applications. It delivers 500 horsepower (372 kW) through a supercharged 4.6L V8 engine, offering exceptional acceleration and top-end speed.
Key Specifications
-
Engine Type: Supercharged 64° V8, 32-valve DOHC
-
Horsepower: 500 hp (372 kW)
-
Displacement: 4.6L (281 cu in)
-
Induction System: Supercharged with charge air cooling and electronic boost control
-
Full Throttle RPM Range: 6,000–6,600 RPM
-
Fuel Requirements: Unleaded regular 89 octane minimum (R+M/2) or 95 RON
-
Cooling System: Air-cooled
-
Alternator Output: 115 amps / 1,449 watts
-
Steering Options: Hydraulic or JPO Electric
-
Trim & Shift: Digital Throttle & Shift (DTS)
-
Oil Requirement: MRX 10W-30 or Mercury 10W-30 Full Synthetic
-
Gearcase Options: 5.9″ R-Drive and R-Drive Sport
Performance & Design Enhancements
-
Increased Torque: Offers 10% more torque than the 450R, with a 26% increase in supercharger boost pressure, resulting in improved acceleration and performance.
-
Advanced Gearcase: Features a 5.9″ R-Drive gearcase with a crescent leading edge and long aspect torpedo, optimized for submerged, semi-surfacing, and full surfacing applications.
-
Enhanced Midsection: The Advanced Racing Core midsection includes trim booster rams, reduced trim speed, and stiffened engine mounts for improved handling and durability.
Racing & Industry Adoption
The Mercury Racing 500R has been adopted as the official power for the APBA Factory Stock offshore racing class, replacing the 450R. This transition marks a significant step in competitive offshore racing, starting with the 2025 season. speedboat.com




Reviews
There are no reviews yet.