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Used 2025 Mercury Racing 500R 4-Stroke 4.6L 500-HP Outboard Motor with Very Low Engine Hours (40 hours). Nice and Clean Condition and Ready to Go !!
2025 Mercury Racing 500R 4-Stroke Outboard Motor
$28,900.00
$18,207.00
Save 37%
Used 2025 Mercury Racing 500R 4-Stroke 4.6L 500-HP Outboard Motor with Very Low Engine Hours (40 hours). Nice and Clean Condition and Ready to Go !!
2025 MERCURY RACING 500R 4.6L (V8) 500 HP FOUR-STROKE OUTBOARD MOTOR
Mercury Racing 500R is a high-performance 500-horsepower outboard motor built on a 4.6L V8 platform. Engineered for luxury sport boats, it features a specialized supercharger, an Advanced Racing Core (ARC) midsection, and R-Drive gearcases to handle extreme speeds exceeding 100 mph.
GENERAL SPECIFICATION
Horsepower: 500 hp (372 kW)
Engine Type: V8 (64-degree) with 32-valve Dual Overhead Cam (DOHC)
Displacement: 4.6 L (281 CID)
Full Throttle (WOT) RPM Range: 6,000 – 6,600 RPM
Dry Weight: 726 lbs (329 kg)
POWERHEAD & FUEL
Induction: Supercharged with charge air cooling and electronic boost control
Fuel Requirements: 89 Octane Minimum Unleaded Regular (or 95 RON)
Oil Requirement: MRX 10W-30 or Mercury 10W-30 Full Synthetic
Humidity Compensation: Industry-first sensor that measures incoming air humidity to maintain optimal spark timing and boost output
MIDSECTION & STEERING
Midsection: Advanced Racing Core (ARC) featuring a heavy-duty transom plate with 3 inches of vertical adjustment
Trim System: Main hydraulic rams plus two booster rams for enhanced trim authority under load
Steering: Electro-hydraulic power steering producing 18% more torque with upgraded 20% stronger steering arms
GEARCASE OPTIONS
Models: R-Drive (for submerged and transition applications 85–100 mph)
Gear Ratio: 1.60:1
Propeller Size: Capable of turning props up to 17 inches in diameter
Shaft Lengths: 25 inches
KEY FEATURES
Humidity Compensation: First marine engine to use a sensor to optimize calibration in high-humidity conditions, adding up to 30 hp.
Intake & Supercharger: 26% higher boost pressure than 450R; 15% larger throttle body.
Maintenance: Top cowl service door for easy maintenance.
Specific References
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