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Our expert team performs the installation according to factory standards. If you have the installation done by us, you will receive an additional 6 months of warranty and a 5% discount on parts. A precise price quote will be provided shortly by our team.
The Mercury Racing 500 L is a 4-stroke outboard marine engine designed for high-speed performance boats, racing boats, and offshore sport boats that require a long shaft, featuring 500 HP / 372 kW and a 4600 cc V8 (8 Cylinder) engine. The Racing series is Mercury's high-performance focused outboard engine group. It aims for maximum power and speed with a supercharged V8 engine block and Racing ECU calibration.
The supercharged design provides significantly higher power output at the same displacement compared to naturally aspirated alternatives. The charge-air cooling system increases combustion efficiency by cooling the charge air. Precise maneuver control at high speeds is ensured with AMS electro-hydraulic steering.
The long shaft (508 mm (20")) is suitable for most inflatable, aluminum, and fiberglass boat models. For boats with a transom height of 381 mm, a short shaft model should be preferred.
| Engine Power | 500 HP / 372 kW |
| Cylinder Volume | 4600 cc |
| Cylinder Configuration | V8 (8 Cylinder) |
| Engine Type | Supercharged V8, 64° DOHC, 32 valves, Electronic Boost Control, charge-air cooling |
| Shaft Length | Long Shaft / 508 mm (20") |
| Gear System | F – N – R (Forward / Neutral / Reverse) |
| Starting | Electric |
| Trim System | Power Trim & Tilt |
| Fuel System | External float system |
| Weight (Dry) | 329 KG |
| Control Type | Tiller |
| Model Code | Racing 500 L |
4-stroke Mercury engines operate smoothly for many years with regular oil changes and end-of-season maintenance protocols. The impeller of the water-cooled system should be checked every 100 hours or every two seasons. Freshwater rinsing is mandatory after every use in saltwater.
Related maintenance categories: Maintenance Kit | Engine Oil | Impeller | Mercury Spare Parts
The Racing series, with 500 HP, is developed for speed-oriented performance boats. It provides maximum performance in offshore racing boats, catamarans, and high-speed sport boats. Weight optimization and power density are priorities for this segment.
The supercharged system provides a higher air-fuel mixture to the engine than standard atmospheric pressure. The charge-air cooling system cools the charge air, minimizing the risk of detonation and maintaining maximum boost pressure continuously.
Racing engines require a special maintenance protocol suitable for high-performance use. Start-of-season and end-of-season services should be performed at authorized Mercury service centers. Oil quality and change intervals may be more frequent than standard FourStroke engines.
Mercury outboard motors are compatible with many fiberglass, aluminum, and inflatable boat models thanks to their universal transom clamp or transom mounting system. The only criteria are your boat's transom height of 508 mm (20") and the maximum engine power approved by the manufacturer. You can get compatibility confirmation from Clever Marin by sharing your boat model.
Share your boat model, transom height, and intended use — let's confirm together the suitability of the Mercury Racing 500 L engine for your boat and the correct shaft selection.
The electronic fuel injection system ensures flawless starting at any temperature and stable power output at all RPMs. Because it optimizes fuel consumption down to the millimeter, it both enhances performance and offers significant savings on long journeys. This allows users of all types, from small boats to professional fleets, to achieve greater range with less fuel.
Quiet and vibration-reduced operation.
Mercury's unique engine block design naturally absorbs vibrations and minimizes noise. This creates a comfortable environment for both driver and passengers during extended voyages. Whether for fishing, cruising, or professional use, the low noise level ensures a pleasant and stress-free experience on the water.
Durable, corrosion-resistant housing.
Special alloys and multi-layer protection are used against saltwater, humidity, and harsh environmental conditions. This structure not only extends the engine's lifespan but also reduces the need for maintenance. For users who want an engine that can operate with high performance for years, Mercury becomes one of the most reliable brands in terms of durability.
